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 * Main libfaim header.  Must be included in client for prototypes/macros.
 * "come on, i turned a chick lesbian; i think this is the hackish equivalent"
 *                                                -- Josh Myer

#ifndef __AIM_H__
#define __AIM_H__


#include <faimconfig.h>
#include <aim_cbtypes.h>

#include <stdio.h>
#include <string.h>
#include <fcntl.h>
#include <sys/types.h>
#include <stdlib.h>
#include <stdarg.h>
#include <errno.h>
#include <time.h>

#ifndef _WIN32
#include <sys/time.h>
#include <unistd.h>
#include <netdb.h>
#include <netinet/in.h>
#include <sys/socket.h>
#include <winsock.h>

#ifdef __cplusplus
extern "C" {

/* XXX adjust these based on autoconf-detected platform */
typedef unsigned char fu8_t;
typedef unsigned short fu16_t;
typedef unsigned int fu32_t;
typedef fu32_t aim_snacid_t;
typedef fu16_t flap_seqnum_t;

#if defined(mach) && defined(__APPLE__)
#define gethostbyname(x) gethostbyname2(x, AF_INET) 

#if defined(_WIN32) && !defined(WIN32_STATIC)
 * For a win32 DLL, we define WIN32_INDLL if this file
 * is included while compiling the DLL. If its not 
 * defined (its included in a client app), the symbols
 * will be imported instead of exported.
#ifdef WIN32_INDLL
#define faim_export __declspec(dllexport)
#define faim_export __declspec(dllimport)
#endif /* WIN32_INDLL */
#define faim_internal
 * Nothing normally needed for unix...
#define faim_export
#define faim_internal

#ifndef FALSE
#define FALSE (0)

#ifndef TRUE
#define TRUE (!FALSE)

#ifndef bool
#define bool fu8_t

 * Current Maximum Length for Screen Names (not including NULL) 
 * Currently only names up to 16 characters can be registered
 * however it is aparently legal for them to be larger.
#define MAXSNLEN 97

 * Current Maximum Length for Instant Messages
 * This was found basically by experiment, but not wholly
 * accurate experiment.  It should not be regarded
 * as completely correct.  But its a decent approximation.
 * Note that although we can send this much, its impossible
 * for WinAIM clients (up through the latest (4.0.1957)) to
 * send any more than 1kb.  Amaze all your windows friends
 * with utterly oversized instant messages!
 * XXX: the real limit is the total SNAC size at 8192. Fix this.
#define MAXMSGLEN 7987

 * Maximum size of a Buddy Icon.
#define MAXICONLEN 7168
#define AIM_ICONIDENT "AVT1picture.id"

 * Current Maximum Length for Chat Room Messages
 * This is actually defined by the protocol to be
 * dynamic, but I have yet to see due cause to 
 * define it dynamically here.  Maybe later.

 * Maximum length for the password of an ICQ account

#define AIM_MD5_STRING "AOL Instant Messenger (SM)"

 * Client info.  Filled in by the client and passed in to 
 * aim_send_login().  The information ends up getting passed to OSCAR
 * through the initial login command.
struct client_info_s {
      const char *clientstring;
      fu16_t clientid;
      fu16_t major;
      fu16_t minor;
      fu16_t point;
      fu16_t build;
      fu32_t distrib;
      const char *country; /* two-letter abbrev */
      const char *lang; /* two-letter abbrev */

/* Needs to be checked */
#define CLIENTINFO_AIM_3_5_1670 { \
      "AOL Instant Messenger (SM), version 3.5.1670/WIN32", \
      0x0004, \
      0x0003, 0x0005, \
      0x0000, 0x0686, \
      0x0000002a, \
      "us", "en", \

/* Needs to be checked */
/* Latest winaim without ssi */
#define CLIENTINFO_AIM_4_1_2010 { \
      "AOL Instant Messenger (SM), version 4.1.2010/WIN32", \
      0x0004, \
      0x0004, 0x0001, \
      0x0000, 0x07da, \
      0x0000004b, \
      "us", "en", \

/* Needs to be checked */
#define CLIENTINFO_AIM_4_3_2188 { \
      "AOL Instant Messenger (SM), version 4.3.2188/WIN32", \
      0x0109, \
      0x0400, 0x0003, \
      0x0000, 0x088c, \
      0x00000086, \
      "us", "en", \

/* Needs to be checked */
#define CLIENTINFO_AIM_4_8_2540 { \
      "AOL Instant Messenger (SM), version 4.8.2540/WIN32", \
      0x0109, \
      0x0004, 0x0008, \
      0x0000, 0x09ec, \
      0x000000af, \
      "us", "en", \

/* Needs to be checked */
#define CLIENTINFO_AIM_5_0_2938 { \
      "AOL Instant Messenger, version 5.0.2938/WIN32", \
      0x0109, \
      0x0005, 0x0000, \
      0x0000, 0x0b7a, \
      0x00000000, \
      "us", "en", \

#define CLIENTINFO_AIM_5_1_3036 { \
      "AOL Instant Messenger, version 5.1.3036/WIN32", \
      0x0109, \
      0x0005, 0x0001, \
      0x0000, 0x0bdc, \
      0x000000d2, \
      "us", "en", \

#define CLIENTINFO_AIM_5_5_3415 { \
      "AOL Instant Messenger, version 5.5.3415/WIN32", \
      0x0109, \
      0x0005, 0x0005, \
      0x0000, 0x0057, \
      0x000000ef, \
      "us", "en", \

#define CLIENTINFO_ICHAT_1_0 { \
      "Apple iChat", \
      0x311a, \
      0x0001, 0x0000, \
      0x0000, 0x003c, \
      0x000000c6, \
      "us", "en", \

/* Needs to be checked */
#define CLIENTINFO_ICQ_4_65_3281 { \
      "ICQ Inc. - Product of ICQ (TM) 2000b.", \
      0x010a, \
      0x0004, 0x0041, \
      0x0001, 0x0cd1, \
      0x00000055, \
      "us", "en", \

/* Needs to be checked */
#define CLIENTINFO_ICQ_5_34_3728 { \
      "ICQ Inc. - Product of ICQ (TM).2002a.", \
      0x010a, \
      0x0005, 0x0022, \
      0x0001, 0x0e8f, \
      0x00000055, \
      "us", "en", \

#define CLIENTINFO_ICQ_5_45_3777 { \
      "ICQ Inc. - Product of ICQ (TM).2003a.", \
      0x010a, \
      0x0005, 0x002d, \
      0x0001, 0x0ec1, \
      0x00000055, \
      "us", "en", \

#define CLIENTINFO_ICQBASIC_14_3_1068 { \
      "ICQBasic", \
      0x010a, \
      0x0014, 0x0003, \
      0x0000, 0x042c, \
      0x0000043d, \
      "us", "en", \

#define CLIENTINFO_NETSCAPE_7_0_1 { \
      "Netscape 2000 an approved user of AOL Instant Messenger (SM)", \
      0x1d0d, \
      0x0007, 0x0000, \
      0x0001, 0x0000, \
      0x00000058, \
      "us", "en", \


 * These could be arbitrary, but its easier to use the actual AIM values 
#define AIM_CONN_TYPE_BOS           0x0002
#define AIM_CONN_TYPE_ADS           0x0005
#define AIM_CONN_TYPE_AUTH          0x0007
#define AIM_CONN_TYPE_CHATNAV       0x000d
#define AIM_CONN_TYPE_CHAT          0x000e
#define AIM_CONN_TYPE_SEARCH        0x000f
#define AIM_CONN_TYPE_ICON          0x0010
#define AIM_CONN_TYPE_EMAIL         0x0018

/* they start getting arbitrary for rendezvous stuff =) */
#define AIM_CONN_TYPE_RENDEZVOUS    0xfffe /* these do not speak FLAP! */
#define AIM_CONN_TYPE_LISTENER            0xffff /* socket waiting for accept() */

 * Subtypes, we need these for OFT stuff.
#define AIM_CONN_SUBTYPE_OFT_GETFILE      0x0002

 * Status values returned from aim_conn_new().  ORed together.
#define AIM_CONN_STATUS_READY       0x0001
#define AIM_CONN_STATUS_CONNERR           0x0080

#define AIM_FRAMETYPE_FLAP          0x0000
#define AIM_FRAMETYPE_OFT           0x0001

typedef struct aim_conn_s {
      int fd;
      fu16_t type;
      fu16_t subtype;
      flap_seqnum_t seqnum;
      fu32_t status;
      void *priv; /* misc data the client may want to store */
      void *internal; /* internal conn-specific libfaim data */
      time_t lastactivity; /* time of last transmit */
      int forcedlatency; 
      void *handlerlist;
      void *sessv; /* pointer to parent session */
      void *inside; /* only accessible from inside libfaim */
      struct aim_conn_s *next;
} aim_conn_t;

 * Byte Stream type. Sort of.
 * Use of this type serves a couple purposes:
 *   - Buffer/buflen pairs are passed all around everywhere. This turns
 *     that into one value, as well as abstracting it slightly.
 *   - Through the abstraction, it is possible to enable bounds checking
 *     for robustness at the cost of performance.  But a clean failure on
 *     weird packets is much better than a segfault.
 *   - I like having variables named "bs".
 * Don't touch the insides of this struct.  Or I'll have to kill you.
typedef struct aim_bstream_s {
      fu8_t *data;
      fu32_t len;
      fu32_t offset;
} aim_bstream_t;

typedef struct aim_frame_s {
      fu8_t hdrtype; /* defines which piece of the union to use */
      union {
            struct { 
                  fu8_t type;
                  flap_seqnum_t seqnum;     
            } flap;
            struct {
                  fu8_t magic[4]; /* ODC2 or OFT2 */
                  fu16_t hdrlen;
                  fu16_t type;
            } rend;
      } hdr;
      aim_bstream_t data;     /* payload stream */
      fu8_t handled;          /* 0 = new, !0 = been handled */
      fu8_t nofree;           /* 0 = free data on purge, 1 = only unlink */
      aim_conn_t *conn; /* the connection it came in on... */
      struct aim_frame_s *next;
} aim_frame_t;

typedef struct aim_msgcookie_s {
      fu8_t cookie[8];
      int type;
      void *data;
      time_t addtime;
      struct aim_msgcookie_s *next;
} aim_msgcookie_t;

 * AIM Session: The main client-data interface.  
typedef struct aim_session_s {

      /* ---- Client Accessible ------------------------ */

      /* Our screen name. */
      char sn[MAXSNLEN+1];

       * Pointer to anything the client wants to 
       * explicitly associate with this session.
       * This is for use in the callbacks mainly. In any
       * callback, you can access this with sess->aux_data.
      void *aux_data;

      /* ---- Internal Use Only ------------------------ */

      /* Connection information */
      aim_conn_t *connlist;

       * Transmit/receive queues.
       * These are only used when you don't use your own lowlevel
       * I/O.  I don't suggest that you use libfaim's internal I/O.
       * Its really bad and the API/event model is quirky at best.
      aim_frame_t *queue_outgoing;   
      aim_frame_t *queue_incoming; 

       * Tx Enqueuing function.
       * This is how you override the transmit direction of libfaim's
       * internal I/O.  This function will be called whenever it needs
       * to send something.
      int (*tx_enqueue)(struct aim_session_s *, aim_frame_t *);

      void *modlistv;

      struct {
            char server[128];
            char username[128];
            char password[128];
      } socksproxy;

      bool nonblocking;

      int debug;
      void (*debugcb)(struct aim_session_s *sess, int level, const char *format, va_list va); /* same as faim_debugging_callback_t */

       * Outstanding snac handling 
       * XXX: Should these be per-connection? -mid
      void *snac_hash[FAIM_SNAC_HASH_SIZE];
      aim_snacid_t snacid_next;

      aim_msgcookie_t *msgcookies;
      struct aim_icq_info *icq_info;
      struct aim_oft_info *oft_info;
      struct aim_authresp_info *authinfo;
      struct aim_emailinfo *emailinfo;

      struct {
            struct aim_userinfo_s *userinfo;
            struct userinfo_node *torequest;
            struct userinfo_node *requested;
            int waiting_for_response;
      } locate;

      /* Server-stored information (ssi) */
      struct {
            int received_data;
            fu16_t numitems;
            struct aim_ssi_item *official;
            struct aim_ssi_item *local;
            struct aim_ssi_tmp *pending;
            time_t timestamp;
            int waiting_for_ack;
      } ssi;
} aim_session_t;

/* Valid for calling aim_icq_setstatus() and for aim_userinfo_t->icqinfo.status */
#define AIM_ICQ_STATE_NORMAL        0x00000000
#define AIM_ICQ_STATE_AWAY          0x00000001
#define AIM_ICQ_STATE_DND           0x00000002
#define AIM_ICQ_STATE_OUT           0x00000004
#define AIM_ICQ_STATE_BUSY          0x00000010
#define AIM_ICQ_STATE_CHAT          0x00000020
#define AIM_ICQ_STATE_INVISIBLE           0x00000100
#define AIM_ICQ_STATE_WEBAWARE            0x00010000
#define AIM_ICQ_STATE_HIDEIP        0x00020000
#define AIM_ICQ_STATE_BIRTHDAY            0x00080000
#define AIM_ICQ_STATE_DIRECTDISABLED      0x00100000
#define AIM_ICQ_STATE_ICQHOMEPAGE   0x00200000

 * Get command from connections
 * aim_get_commmand() is the libfaim lowlevel I/O in the receive direction.
 * XXX Make this easily overridable.
faim_export int aim_get_command(aim_session_t *, aim_conn_t *);

 * Dispatch commands that are in the rx queue.
faim_export void aim_rxdispatch(aim_session_t *);

faim_export int aim_debugconn_sendconnect(aim_session_t *sess, aim_conn_t *conn);

faim_export int aim_logoff(aim_session_t *);

#if !defined(FAIM_INTERNAL) || defined(FAIM_INTERNAL_INSANE)
/* the library should never call aim_conn_kill */
faim_export void aim_conn_kill(aim_session_t *sess, aim_conn_t **deadconn);

typedef int (*aim_rxcallback_t)(aim_session_t *, aim_frame_t *, ...);

/* auth.c */
struct aim_clientrelease {
      char *name;
      fu32_t build;
      char *url;
      char *info;

struct aim_authresp_info {
      char *sn;
      fu16_t errorcode;
      char *errorurl;
      fu16_t regstatus;
      char *email;
      char *bosip;
      fu16_t cookielen;
      fu8_t *cookie;
      char *chpassurl;
      struct aim_clientrelease latestrelease;
      struct aim_clientrelease latestbeta;

/* Callback data for redirect. */
struct aim_redirect_data {
      fu16_t group;
      const char *ip;
      fu16_t cookielen;
      const fu8_t *cookie;
      struct { /* group == AIM_CONN_TYPE_CHAT */
            fu16_t exchange;
            const char *room;
            fu16_t instance;
      } chat;

faim_export int aim_clientready(aim_session_t *sess, aim_conn_t *conn);
faim_export int aim_sendflapver(aim_session_t *sess, aim_conn_t *conn);
faim_export int aim_request_login(aim_session_t *sess, aim_conn_t *conn, const char *sn);
faim_export int aim_send_login(aim_session_t *, aim_conn_t *, const char *, const char *, struct client_info_s *, const char *key);
faim_export void aim_purge_rxqueue(aim_session_t *);
faim_export void aim_cleansnacs(aim_session_t *, int maxage);

#define AIM_TX_QUEUED    0 /* default */
#define AIM_TX_USER      2
faim_export int aim_tx_setenqueue(aim_session_t *sess, int what, int (*func)(aim_session_t *, aim_frame_t *));

faim_export int aim_tx_flushqueue(aim_session_t *);
faim_export void aim_tx_purgequeue(aim_session_t *);

faim_export int aim_conn_setlatency(aim_conn_t *conn, int newval);

faim_export int aim_conn_addhandler(aim_session_t *, aim_conn_t *conn, fu16_t family, fu16_t type, aim_rxcallback_t newhandler, fu16_t flags);
faim_export int aim_clearhandlers(aim_conn_t *conn);

faim_export aim_conn_t *aim_conn_findbygroup(aim_session_t *sess, fu16_t group);
faim_export aim_session_t *aim_conn_getsess(aim_conn_t *conn);
faim_export void aim_conn_close(aim_conn_t *deadconn);
faim_export aim_conn_t *aim_newconn(aim_session_t *, int type, const char *dest);
faim_export int aim_conngetmaxfd(aim_session_t *);
faim_export aim_conn_t *aim_select(aim_session_t *, struct timeval *, int *);
faim_export int aim_conn_in_sess(aim_session_t *sess, aim_conn_t *conn);
faim_export int aim_conn_isready(aim_conn_t *);
faim_export int aim_conn_setstatus(aim_conn_t *, int);
faim_export int aim_conn_completeconnect(aim_session_t *sess, aim_conn_t *conn);
faim_export int aim_conn_isconnecting(aim_conn_t *conn);

typedef void (*faim_debugging_callback_t)(aim_session_t *sess, int level, const char *format, va_list va);
faim_export int aim_setdebuggingcb(aim_session_t *sess, faim_debugging_callback_t);
faim_export void aim_session_init(aim_session_t *, bool nonblocking, int debuglevel);
faim_export void aim_session_kill(aim_session_t *);
faim_export void aim_setupproxy(aim_session_t *sess, const char *server, const char *username, const char *password);
faim_export aim_conn_t *aim_getconn_type(aim_session_t *, int type);
faim_export aim_conn_t *aim_getconn_type_all(aim_session_t *, int type);
faim_export aim_conn_t *aim_getconn_fd(aim_session_t *, int fd);

/* 0x0001 - service.c */
faim_export int aim_srv_setavailmsg(aim_session_t *sess, char *msg);
faim_export int aim_srv_setidle(aim_session_t *sess, fu32_t idletime);

/* misc.c */


#define AIM_PRIVFLAGS_ALLOWIDLE           0x01

#define AIM_WARN_ANON                     0x01

faim_export int aim_sendpauseack(aim_session_t *sess, aim_conn_t *conn);
faim_export int aim_nop(aim_session_t *, aim_conn_t *);
faim_export int aim_flap_nop(aim_session_t *sess, aim_conn_t *conn);
faim_export int aim_bos_changevisibility(aim_session_t *, aim_conn_t *, int, const char *);
faim_export int aim_bos_setgroupperm(aim_session_t *, aim_conn_t *, fu32_t mask);
faim_export int aim_bos_setprivacyflags(aim_session_t *, aim_conn_t *, fu32_t);
faim_export int aim_reqpersonalinfo(aim_session_t *, aim_conn_t *);
faim_export int aim_reqservice(aim_session_t *, aim_conn_t *, fu16_t);
faim_export int aim_bos_reqrights(aim_session_t *, aim_conn_t *);
faim_export int aim_setextstatus(aim_session_t *sess, fu32_t status);

#define AIM_CLIENTTYPE_MC       0x0001
#define AIM_CLIENTTYPE_WINAIM   0x0002
#define AIM_CLIENTTYPE_WINAIM41 0x0003
#define AIM_CLIENTTYPE_AOL_TOC  0x0004
faim_export fu16_t aim_im_fingerprint(const fu8_t *msghdr, int len);

#define AIM_RATE_CODE_CHANGE     0x0001
#define AIM_RATE_CODE_WARNING    0x0002
#define AIM_RATE_CODE_LIMIT      0x0003
faim_export int aim_ads_requestads(aim_session_t *sess, aim_conn_t *conn);

/* im.c */
#define AIM_OFT_SUBTYPE_SEND_FILE   0x0001
#define AIM_OFT_SUBTYPE_SEND_DIR    0x0002
#define AIM_OFT_SUBTYPE_GET_FILE    0x0011
#define AIM_OPT_SUBTYPE_GET_LIST    0x0012



/* This is what the server will give you if you don't set them yourself. */
      0, \
      512, /* !! Note how small this is. */ \
      (99.9)*10, (99.9)*10, \
      1000 /* !! And how large this is. */ \

/* This is what most AIM versions use. */
      0, \
      8000, \
      (99.9)*10, (99.9)*10, \
      0 \

struct aim_icbmparameters {
      fu16_t maxchan;
      fu32_t flags; /* AIM_IMPARAM_FLAG_ */
      fu16_t maxmsglen; /* message size that you will accept */
      fu16_t maxsenderwarn; /* this and below are *10 (999=99.9%) */
      fu16_t maxrecverwarn;
      fu32_t minmsginterval; /* in milliseconds? */

struct aim_chat_roominfo {
      fu16_t exchange;
      char *name;
      fu16_t instance;

#define AIM_IMFLAGS_AWAY            0x0001 /* mark as an autoreply */
#define AIM_IMFLAGS_ACK             0x0002 /* request a receipt notice */
#define AIM_IMFLAGS_UNICODE         0x0004
#define AIM_IMFLAGS_ISO_8859_1            0x0008
#define AIM_IMFLAGS_BUDDYREQ        0x0010 /* buddy icon requested */
#define AIM_IMFLAGS_HASICON         0x0020 /* already has icon */
#define AIM_IMFLAGS_SUBENC_MACINTOSH      0x0040 /* damn that Steve Jobs! */
#define AIM_IMFLAGS_CUSTOMFEATURES  0x0080 /* features field present */
#define AIM_IMFLAGS_EXTDATA         0x0100
#define AIM_IMFLAGS_X               0x0200
#define AIM_IMFLAGS_MULTIPART       0x0400 /* ->mpmsg section valid */
#define AIM_IMFLAGS_OFFLINE         0x0800 /* send to offline user */
#define AIM_IMFLAGS_TYPINGNOT       0x1000 /* typing notification */

 * Multipart message structures.
typedef struct aim_mpmsg_section_s {
      fu16_t charset;
      fu16_t charsubset;
      fu8_t *data;
      fu16_t datalen;
      struct aim_mpmsg_section_s *next;
} aim_mpmsg_section_t;

typedef struct aim_mpmsg_s {
      int numparts;
      aim_mpmsg_section_t *parts;
} aim_mpmsg_t;

faim_export int aim_mpmsg_init(aim_session_t *sess, aim_mpmsg_t *mpm);
faim_export int aim_mpmsg_addraw(aim_session_t *sess, aim_mpmsg_t *mpm, fu16_t charset, fu16_t charsubset, const fu8_t *data, fu16_t datalen);
faim_export int aim_mpmsg_addascii(aim_session_t *sess, aim_mpmsg_t *mpm, const char *ascii);
faim_export int aim_mpmsg_addunicode(aim_session_t *sess, aim_mpmsg_t *mpm, const fu16_t *unicode, fu16_t unicodelen);
faim_export void aim_mpmsg_free(aim_session_t *sess, aim_mpmsg_t *mpm);

 * Arguments to aim_send_im_ext().
 * This is really complicated.  But immensely versatile.
struct aim_sendimext_args {

      /* These are _required_ */
      const char *destsn;
      fu32_t flags; /* often 0 */

      /* Only required if not using multipart messages */
      const char *msg;
      int msglen;

      /* Required if ->msg is not provided */
      aim_mpmsg_t *mpmsg;

      /* Only used if AIM_IMFLAGS_HASICON is set */
      fu32_t iconlen;
      time_t iconstamp;
      fu32_t iconsum;

      /* Only used if AIM_IMFLAGS_CUSTOMFEATURES is set */
      fu8_t *features;
      fu8_t featureslen;

      /* Only used if AIM_IMFLAGS_CUSTOMCHARSET is set and mpmsg not used */
      fu16_t charset;
      fu16_t charsubset;

 * Arguments to aim_send_rtfmsg().
struct aim_sendrtfmsg_args {
      const char *destsn;
      fu32_t fgcolor;
      fu32_t bgcolor;
      const char *rtfmsg; /* must be in RTF */

 * This information is provided in the Incoming ICBM callback for
 * Channel 1 ICBM's.  
 * Note that although CUSTOMFEATURES and CUSTOMCHARSET say they
 * are optional, both are always set by the current libfaim code.
 * That may or may not change in the future.  It is mainly for
 * consistency with aim_sendimext_args.
 * Multipart messages require some explanation. If you want to use them,
 * I suggest you read all the comments in im.c.
struct aim_incomingim_ch1_args {

      /* Always provided */
      aim_mpmsg_t mpmsg;
      fu32_t icbmflags; /* some flags apply only to ->msg, not all mpmsg */
      /* Only provided if message has a human-readable section */
      char *msg;
      int msglen;

      /* Only provided if AIM_IMFLAGS_HASICON is set */
      time_t iconstamp;
      fu32_t iconlen;
      fu16_t iconsum;

      /* Only provided if AIM_IMFLAGS_CUSTOMFEATURES is set */
      fu8_t *features;
      fu8_t featureslen;

      /* Only provided if AIM_IMFLAGS_EXTDATA is set */
      fu8_t extdatalen;
      fu8_t *extdata;

      /* Only used if AIM_IMFLAGS_CUSTOMCHARSET is set */
      fu16_t charset;
      fu16_t charsubset;

/* Valid values for channel 2 args->status */
#define AIM_RENDEZVOUS_PROPOSE      0x0000

struct aim_incomingim_ch2_args {
      fu16_t status;
      fu8_t cookie[8];
      int reqclass;
      const char *proxyip;
      const char *clientip;
      const char *verifiedip;
      fu16_t port;
      fu16_t errorcode;
      const char *msg; /* invite message or file description */
      const char *encoding;
      const char *language;
      union {
            struct {
                  fu32_t checksum;
                  fu32_t length;
                  time_t timestamp;
                  fu8_t *icon;
            } icon;
            struct {
                  struct aim_chat_roominfo roominfo;
            } chat;
            struct {
                  fu32_t fgcolor;
                  fu32_t bgcolor;
                  const char *rtfmsg;
            } rtfmsg;
            struct {
                  fu16_t subtype;
                  fu16_t totfiles;
                  fu32_t totsize;
                  char *filename;
            } sendfile;
      } info;
      void *destructor; /* used internally only */

/* Valid values for channel 4 args->type */
#define AIM_ICQMSG_AUTHREQUEST      0x0006
#define AIM_ICQMSG_AUTHGRANTED      0x0008

struct aim_incomingim_ch4_args {
      fu32_t uin; /* Of the sender of the ICBM */
      fu8_t type;
      fu8_t flags;
      char *msg; /* Reason for auth request, deny, or accept */
      int msglen;

/* SNAC sending functions */
/* 0x0002 */ faim_export int aim_im_setparams(aim_session_t *sess, struct aim_icbmparameters *params);
/* 0x0004 */ faim_export int aim_im_reqparams(aim_session_t *sess);
/* 0x0006 */ faim_export int aim_im_sendch1_ext(aim_session_t *sess, struct aim_sendimext_args *args);
/* 0x0006 */ faim_export int aim_im_sendch1(aim_session_t *, const char *destsn, fu16_t flags, const char *msg);
/* 0x0006 */ faim_export int aim_im_sendch2_icon(aim_session_t *sess, const char *sn, const fu8_t *icon, int iconlen, time_t stamp, fu16_t iconsum);
/* 0x0006 */ faim_export int aim_im_sendch2_rtfmsg(aim_session_t *sess, struct aim_sendrtfmsg_args *args);
/* 0x0006 */ faim_export int aim_im_sendch2_odcrequest(aim_session_t *sess, fu8_t *cookie, const char *sn, const fu8_t *ip, fu16_t port);
/* 0x0006 */ faim_export int aim_im_sendch2_sendfile_ask(aim_session_t *sess, struct aim_oft_info *oft_info);
/* 0x0006 */ faim_export int aim_im_sendch2_sendfile_accept(aim_session_t *sess, struct aim_oft_info *info);
/* 0x0006 */ faim_export int aim_im_sendch2_sendfile_cancel(aim_session_t *sess, struct aim_oft_info *oft_info);
/* 0x0006 */ faim_export int aim_im_sendch2_geticqaway(aim_session_t *sess, const char *sn, int type);
/* 0x0006 */ faim_export int aim_im_sendch4(aim_session_t *sess, char *sn, fu16_t type, fu8_t *message);
/* 0x0008 */ faim_export int aim_im_warn(aim_session_t *sess, aim_conn_t *conn, const char *destsn, fu32_t flags);
/* 0x000b */ faim_export int aim_im_denytransfer(aim_session_t *sess, const char *sender, const char *cookie, fu16_t code);
/* 0x0014 */ faim_export int aim_im_sendmtn(aim_session_t *sess, fu16_t type1, const char *sn, fu16_t type2);

/* ft.c */
struct aim_fileheader_t {
#if 0
      char magic[4];          /* 0 */
      fu16_t hdrlen;          /* 4 */
      fu16_t hdrtype;         /* 6 */
      char bcookie[8];  /* 8 */
      fu16_t encrypt;         /* 16 */
      fu16_t compress;  /* 18 */
      fu16_t totfiles;  /* 20 */
      fu16_t filesleft; /* 22 */
      fu16_t totparts;  /* 24 */
      fu16_t partsleft; /* 26 */
      fu32_t totsize;         /* 28 */
      fu32_t size;            /* 32 */
      fu32_t modtime;         /* 36 */
      fu32_t checksum;  /* 40 */
      fu32_t rfrcsum;         /* 44 */
      fu32_t rfsize;          /* 48 */
      fu32_t cretime;         /* 52 */
      fu32_t rfcsum;          /* 56 */
      fu32_t nrecvd;          /* 60 */
      fu32_t recvcsum;  /* 64 */
      fu8_t idstring[32];     /* 68 */
      fu8_t flags;            /* 100 */
      fu8_t lnameoffset;      /* 101 */
      fu8_t lsizeoffset;      /* 102 */
      char dummy[69];         /* 103 */
      char macfileinfo[16];   /* 172 */
      fu16_t nencode;         /* 188 */
      fu16_t nlanguage; /* 190 */
      char name[64];          /* 192 */
                        /* 256 */

struct aim_oft_info {
      char cookie[8];
      char *sn;
      char *proxyip;
      char *clientip;
      char *verifiedip;
      fu16_t port;
      aim_conn_t *conn;
      aim_session_t *sess;
      struct aim_fileheader_t fh;
      struct aim_oft_info *next;

faim_export fu32_t aim_oft_checksum_chunk(const fu8_t *buffer, int bufferlen, fu32_t prevcheck);
faim_export fu32_t aim_oft_checksum_file(char *filename);
faim_export int aim_handlerendconnect(aim_session_t *sess, aim_conn_t *cur);
faim_export int aim_odc_send_typing(aim_session_t *sess, aim_conn_t *conn, int typing);
faim_export int aim_odc_send_im(aim_session_t *sess, aim_conn_t *conn, const char *msg, int len, int encoding, int isawaymsg);
faim_export const char *aim_odc_getsn(aim_conn_t *conn);
faim_export aim_conn_t *aim_odc_getconn(aim_session_t *sess, const char *sn);
faim_export aim_conn_t *aim_odc_initiate(aim_session_t *sess, const char *sn);
faim_export aim_conn_t *aim_odc_connect(aim_session_t *sess, const char *sn, const char *addr, const fu8_t *cookie);

faim_export struct aim_oft_info *aim_oft_createinfo(aim_session_t *sess, const fu8_t *cookie, const char *sn, const char *ip, fu16_t port, fu32_t size, fu32_t modtime, char *filename);
faim_export int aim_oft_destroyinfo(struct aim_oft_info *oft_info);
faim_export int aim_sendfile_listen(aim_session_t *sess, struct aim_oft_info *oft_info);
faim_export int aim_oft_sendheader(aim_session_t *sess, fu16_t type, struct aim_oft_info *oft_info);

/* 0x0002 - locate.c */
 * AIM User Info, Standard Form.
#define AIM_FLAG_UNCONFIRMED  0x0001 /* "damned transients" */
#define AIM_FLAG_ADMINISTRATOR      0x0002
#define AIM_FLAG_AOL                0x0004
#define AIM_FLAG_OSCAR_PAY          0x0008
#define AIM_FLAG_FREE               0x0010
#define AIM_FLAG_AWAY               0x0020
#define AIM_FLAG_ICQ                0x0040
#define AIM_FLAG_WIRELESS           0x0080
#define AIM_FLAG_UNKNOWN100         0x0100
#define AIM_FLAG_UNKNOWN200         0x0200
#define AIM_FLAG_ACTIVEBUDDY  0x0400
#define AIM_FLAG_UNKNOWN800         0x0800
#define AIM_FLAG_ABINTERNAL         0x1000
#define AIM_FLAG_ALLUSERS           0x001f

#define AIM_USERINFO_PRESENT_FLAGS        0x00000001
#define AIM_USERINFO_PRESENT_IDLE         0x00000008
#define AIM_USERINFO_PRESENT_ICQDATA      0x00000040

struct userinfo_node {
      char *sn;
      struct userinfo_node *next;

typedef struct aim_userinfo_s {
      char *sn;
      fu16_t warnlevel; /* evil percent * 10 (999 = 99.9%) */
      fu16_t idletime; /* in seconds */
      fu16_t flags;
      fu32_t createtime; /* time_t */
      fu32_t membersince; /* time_t */
      fu32_t onlinesince; /* time_t */
      fu32_t sessionlen;  /* in seconds */
      fu32_t capabilities;
      struct {
            fu32_t status;
            fu32_t ipaddr;
            fu8_t crap[0x25]; /* until we figure it out... */
      } icqinfo;
      fu32_t present;

      fu16_t iconcsumlen;
      fu8_t *iconcsum;

      char *info;
      char *info_encoding;
      fu16_t info_len;

      char *avail;
      char *avail_encoding;
      fu16_t avail_len;

      char *away;
      char *away_encoding;
      fu16_t away_len;

      struct aim_userinfo_s *next;
} aim_userinfo_t;

#define AIM_CAPS_BUDDYICON          0x00000001
#define AIM_CAPS_VOICE              0x00000002
#define AIM_CAPS_DIRECTIM           0x00000004
#define AIM_CAPS_CHAT               0x00000008
#define AIM_CAPS_GETFILE            0x00000010
#define AIM_CAPS_SENDFILE           0x00000020
#define AIM_CAPS_GAMES              0x00000040
#define AIM_CAPS_SAVESTOCKS         0x00000080
#define AIM_CAPS_SENDBUDDYLIST      0x00000100
#define AIM_CAPS_GAMES2             0x00000200
#define AIM_CAPS_ICQ_DIRECT         0x00000400
#define AIM_CAPS_APINFO             0x00000800
#define AIM_CAPS_ICQRTF             0x00001000
#define AIM_CAPS_EMPTY              0x00002000
#define AIM_CAPS_ICQSERVERRELAY     0x00004000
#define AIM_CAPS_ICQUTF8OLD         0x00008000
#define AIM_CAPS_TRILLIANCRYPT      0x00010000
#define AIM_CAPS_ICQUTF8            0x00020000
#define AIM_CAPS_INTEROPERATE 0x00040000
#define AIM_CAPS_ICHAT              0x00080000
#define AIM_CAPS_HIPTOP             0x00100000
#define AIM_CAPS_SECUREIM           0x00200000
#define AIM_CAPS_SMS                0x00400000
#define AIM_CAPS_GENERICUNKNOWN     0x00800000
#define AIM_CAPS_VIDEO              0x01000000
#define AIM_CAPS_LAST               0x02000000


faim_export int aim_sendmemblock(aim_session_t *sess, aim_conn_t *conn, fu32_t offset, fu32_t len, const fu8_t *buf, fu8_t flag);

struct aim_invite_priv {
      char *sn;
      char *roomname;
      fu16_t exchange;
      fu16_t instance;

#define AIM_COOKIETYPE_ICBM     0x01
#define AIM_COOKIETYPE_ADS      0x02
#define AIM_COOKIETYPE_BOS      0x03
#define AIM_COOKIETYPE_IM       0x04
#define AIM_COOKIETYPE_CHAT     0x05
/* we'll move OFT up a bit to give breathing room.  not like it really
 * matters. */
#define AIM_COOKIETYPE_OFTIM    0x10

faim_export aim_userinfo_t *aim_locate_finduserinfo(aim_session_t *sess, const char *sn);

/* 0x0002 */ faim_export int aim_locate_reqrights(aim_session_t *sess);
/* 0x0004 */ faim_export int aim_locate_setprofile(aim_session_t *sess, const char *profile_encoding, const char *profile, const int profile_len, const char *awaymsg_encoding, const char *awaymsg, const int awaymsg_len);
/* 0x0004 */ faim_export int aim_locate_setcaps(aim_session_t *sess, fu32_t caps);
/* 0x0005 */ faim_export int aim_locate_getinfo(aim_session_t *sess, const char *, fu16_t);
/* 0x0009 */ faim_export int aim_locate_setdirinfo(aim_session_t *sess, const char *first, const char *middle, const char *last, const char *maiden, const char *nickname, const char *street, const char *city, const char *state, const char *zip, int country, fu16_t privacy);
/* 0x000b */ faim_export int aim_locate_000b(aim_session_t *sess, const char *sn);
/* 0x000f */ faim_export int aim_locate_setinterests(aim_session_t *sess, const char *interest1, const char *interest2, const char *interest3, const char *interest4, const char *interest5, fu16_t privacy);
/* 0x0015 */ faim_export int aim_locate_getinfoshort(aim_session_t *sess, const char *sn, fu32_t flags);

/* 0x0003 - buddylist.c */
/* 0x0002 */ faim_export int aim_buddylist_reqrights(aim_session_t *, aim_conn_t *);
/* 0x0004 */ faim_export int aim_buddylist_set(aim_session_t *, aim_conn_t *, const char *);
/* 0x0004 */ faim_export int aim_buddylist_addbuddy(aim_session_t *, aim_conn_t *, const char *);
/* 0x0005 */ faim_export int aim_buddylist_removebuddy(aim_session_t *, aim_conn_t *, const char *);
/* 0x000b */ faim_export int aim_buddylist_oncoming(aim_session_t *sess, aim_conn_t *conn, aim_userinfo_t *info);
/* 0x000c */ faim_export int aim_buddylist_offgoing(aim_session_t *sess, aim_conn_t *conn, const char *sn);

/* 0x000a - search.c */
faim_export int aim_search_address(aim_session_t *, aim_conn_t *, const char *);

/* 0x000d - chatnav.c */
/* 0x000e - chat.c */
/* These apply to exchanges as well. */

struct aim_chat_exchangeinfo {
      fu16_t number;
      fu16_t flags;
      char *name;
      char *charset1;
      char *lang1;
      char *charset2;
      char *lang2;

#define AIM_CHATFLAGS_AWAY      0x0002
faim_export int aim_chat_send_im(aim_session_t *sess, aim_conn_t *conn, fu16_t flags, const char *msg, int msglen);
faim_export int aim_chat_join(aim_session_t *sess, aim_conn_t *conn, fu16_t exchange, const char *roomname, fu16_t instance);
faim_export int aim_chat_attachname(aim_conn_t *conn, fu16_t exchange, const char *roomname, fu16_t instance);
faim_export char *aim_chat_getname(aim_conn_t *conn);
faim_export aim_conn_t *aim_chat_getconn(aim_session_t *, const char *name);

faim_export int aim_chatnav_reqrights(aim_session_t *sess, aim_conn_t *conn);

faim_export int aim_chat_invite(aim_session_t *sess, aim_conn_t *conn, const char *sn, const char *msg, fu16_t exchange, const char *roomname, fu16_t instance);

faim_export int aim_chatnav_createroom(aim_session_t *sess, aim_conn_t *conn, const char *name, fu16_t exchange);
faim_export int aim_chat_leaveroom(aim_session_t *sess, const char *name);

/* 0x000f - odir.c */
struct aim_odir {
      char *first;
      char *last;
      char *middle;
      char *maiden;
      char *email;
      char *country;
      char *state;
      char *city;
      char *sn;
      char *interest;
      char *nick;
      char *zip;
      char *region;
      char *address;
      struct aim_odir *next;

faim_export int aim_odir_email(aim_session_t *, const char *, const char *);
faim_export int aim_odir_name(aim_session_t *, const char *, const char *, const char *, const char *, const char *, const char *, const char *, const char *, const char *, const char *, const char *);
faim_export int aim_odir_interest(aim_session_t *, const char *, const char *);

/* 0x0010 - icon.c */
faim_export int aim_bart_upload(aim_session_t *sess, const fu8_t *icon, fu16_t iconlen);
faim_export int aim_bart_request(aim_session_t *sess, const char *sn, const fu8_t *iconstr, fu16_t iconstrlen);

/* 0x0013 - ssi.c */
#define AIM_SSI_TYPE_BUDDY          0x0000
#define AIM_SSI_TYPE_GROUP          0x0001
#define AIM_SSI_TYPE_PERMIT         0x0002
#define AIM_SSI_TYPE_DENY           0x0003
#define AIM_SSI_TYPE_PDINFO         0x0004
#define AIM_SSI_TYPE_ICONINFO       0x0014

#define AIM_SSI_ACK_SUCCESS         0x0000
#define AIM_SSI_ACK_ITEMNOTFOUND    0x0002
#define AIM_SSI_ACK_IDNUMINUSE            0x000a
#define AIM_SSI_ACK_ATMAX           0x000c
#define AIM_SSI_ACK_INVALIDNAME           0x000d
#define AIM_SSI_ACK_AUTHREQUIRED    0x000e

struct aim_ssi_item {
      char *name;
      fu16_t gid;
      fu16_t bid;
      fu16_t type;
      struct aim_tlvlist_s *data;
      struct aim_ssi_item *next;

struct aim_ssi_tmp {
      fu16_t action;
      fu16_t ack;
      char *name;
      struct aim_ssi_item *item;
      struct aim_ssi_tmp *next;

/* These build the actual SNACs and queue them to be sent */
/* 0x0002 */ faim_export int aim_ssi_reqrights(aim_session_t *sess);
/* 0x0004 */ faim_export int aim_ssi_reqdata(aim_session_t *sess);
/* 0x0005 */ faim_export int aim_ssi_reqifchanged(aim_session_t *sess, time_t localstamp, fu16_t localrev);
/* 0x0007 */ faim_export int aim_ssi_enable(aim_session_t *sess);
/* 0x0008 */ faim_export int aim_ssi_addmoddel(aim_session_t *sess);
/* 0x0011 */ faim_export int aim_ssi_modbegin(aim_session_t *sess);
/* 0x0012 */ faim_export int aim_ssi_modend(aim_session_t *sess);
/* 0x0014 */ faim_export int aim_ssi_sendauth(aim_session_t *sess, char *sn, char *msg);
/* 0x0018 */ faim_export int aim_ssi_sendauthrequest(aim_session_t *sess, char *sn, char *msg);
/* 0x001a */ faim_export int aim_ssi_sendauthreply(aim_session_t *sess, char *sn, fu8_t reply, char *msg);

/* Client functions for retrieving SSI data */
faim_export struct aim_ssi_item *aim_ssi_itemlist_find(struct aim_ssi_item *list, fu16_t gid, fu16_t bid);
faim_export struct aim_ssi_item *aim_ssi_itemlist_finditem(struct aim_ssi_item *list, const char *gn, const char *sn, fu16_t type);
faim_export struct aim_ssi_item *aim_ssi_itemlist_exists(struct aim_ssi_item *list, const char *sn);
faim_export char *aim_ssi_itemlist_findparentname(struct aim_ssi_item *list, const char *sn);
faim_export int aim_ssi_getpermdeny(struct aim_ssi_item *list);
faim_export fu32_t aim_ssi_getpresence(struct aim_ssi_item *list);
faim_export char *aim_ssi_getalias(struct aim_ssi_item *list, const char *gn, const char *sn);
faim_export char *aim_ssi_getcomment(struct aim_ssi_item *list, const char *gn, const char *sn);
faim_export int aim_ssi_waitingforauth(struct aim_ssi_item *list, const char *gn, const char *sn);

/* Client functions for changing SSI data */
faim_export int aim_ssi_addbuddy(aim_session_t *sess, const char *name, const char *group, const char *alias, const char *comment, const char *smsnum, int needauth);
faim_export int aim_ssi_addpermit(aim_session_t *sess, const char *name);
faim_export int aim_ssi_adddeny(aim_session_t *sess, const char *name);
faim_export int aim_ssi_delbuddy(aim_session_t *sess, const char *name, const char *group);
faim_export int aim_ssi_delpermit(aim_session_t *sess, const char *name);
faim_export int aim_ssi_deldeny(aim_session_t *sess, const char *name);
faim_export int aim_ssi_movebuddy(aim_session_t *sess, const char *oldgn, const char *newgn, const char *sn);
faim_export int aim_ssi_aliasbuddy(aim_session_t *sess, const char *gn, const char *sn, const char *alias);
faim_export int aim_ssi_editcomment(aim_session_t *sess, const char *gn, const char *sn, const char *alias);
faim_export int aim_ssi_rename_group(aim_session_t *sess, const char *oldgn, const char *newgn);
faim_export int aim_ssi_cleanlist(aim_session_t *sess);
faim_export int aim_ssi_deletelist(aim_session_t *sess);
faim_export int aim_ssi_setpermdeny(aim_session_t *sess, fu8_t permdeny, fu32_t vismask);
faim_export int aim_ssi_setpresence(aim_session_t *sess, fu32_t presence);
faim_export int aim_ssi_seticon(aim_session_t *sess, fu8_t *iconsum, fu16_t iconsumlen);
faim_export int aim_ssi_delicon(aim_session_t *sess);

/* 0x0015 - icq.c */
#define AIM_ICQ_INFO_SIMPLE   0x001
#define AIM_ICQ_INFO_SUMMARY  0x002
#define AIM_ICQ_INFO_EMAIL    0x004
#define AIM_ICQ_INFO_ADDITIONAL     0x010
#define AIM_ICQ_INFO_WORK     0x020
#define AIM_ICQ_INFO_INTERESTS      0x040
#define AIM_ICQ_INFO_ORGS     0x080
#define AIM_ICQ_INFO_UNKNOWN  0x100
#define AIM_ICQ_INFO_HAVEALL  0x1ff

struct aim_icq_offlinemsg {
      fu32_t sender;
      fu16_t year;
      fu8_t month, day, hour, minute;
      fu8_t type;
      fu8_t flags;
      char *msg;
      int msglen;

struct aim_icq_info {
      fu16_t reqid;

      /* simple */
      fu32_t uin;

      /* general and "home" information (0x00c8) */
      char *nick;
      char *first;
      char *last;
      char *email;
      char *homecity;
      char *homestate;
      char *homephone;
      char *homefax;
      char *homeaddr;
      char *mobile;
      char *homezip;
      fu16_t homecountry;
/*    fu8_t timezone;
      fu8_t hideemail; */

      /* personal (0x00dc) */
      fu8_t age;
      fu8_t unknown;
      fu8_t gender;
      char *personalwebpage;
      fu16_t birthyear;
      fu8_t birthmonth;
      fu8_t birthday;
      fu8_t language1;
      fu8_t language2;
      fu8_t language3;

      /* work (0x00d2) */
      char *workcity;
      char *workstate;
      char *workphone;
      char *workfax;
      char *workaddr;
      char *workzip;
      fu16_t workcountry;
      char *workcompany;
      char *workdivision;
      char *workposition;
      char *workwebpage;

      /* additional personal information (0x00e6) */
      char *info;

      /* email (0x00eb) */
      fu16_t numaddresses;
      char **email2;

      /* we keep track of these in a linked list because we're 1337 */
      struct aim_icq_info *next;

faim_export int aim_icq_reqofflinemsgs(aim_session_t *sess);
faim_export int aim_icq_ackofflinemsgs(aim_session_t *sess);
faim_export int aim_icq_hideip(aim_session_t *sess);
faim_export int aim_icq_changepasswd(aim_session_t *sess, const char *passwd);
faim_export int aim_icq_getsimpleinfo(aim_session_t *sess, const char *uin);
faim_export int aim_icq_getalias(aim_session_t *sess, const char *uin);
faim_export int aim_icq_getallinfo(aim_session_t *sess, const char *uin);

/* 0x0017 - auth.c */
faim_export int aim_sendcookie(aim_session_t *, aim_conn_t *, const fu16_t length, const fu8_t *);
faim_export int aim_admin_changepasswd(aim_session_t *, aim_conn_t *, const char *newpw, const char *curpw);
faim_export int aim_admin_reqconfirm(aim_session_t *sess, aim_conn_t *conn);
faim_export int aim_admin_getinfo(aim_session_t *sess, aim_conn_t *conn, fu16_t info);
faim_export int aim_admin_setemail(aim_session_t *sess, aim_conn_t *conn, const char *newemail);
faim_export int aim_admin_setnick(aim_session_t *sess, aim_conn_t *conn, const char *newnick);

/* 0x0018 - email.c */
struct aim_emailinfo {
      fu8_t *cookie16;
      fu8_t *cookie8;
      char *url;
      fu16_t nummsgs;
      fu8_t unread;
      char *domain;
      fu16_t flag;
      struct aim_emailinfo *next;

faim_export int aim_email_sendcookies(aim_session_t *sess);
faim_export int aim_email_activate(aim_session_t *sess);

#if defined(FAIM_INTERNAL) || defined(FAIM_NEED_TLV)
/* tlv.c - TLV handling */

/* TLV structure */
typedef struct aim_tlv_s {
      fu16_t type;
      fu16_t length;
      fu8_t *value;
} aim_tlv_t;

/* TLV List structure */
typedef struct aim_tlvlist_s {
      aim_tlv_t *tlv;
      struct aim_tlvlist_s *next;
} aim_tlvlist_t;

/* TLV handling functions */
faim_internal aim_tlv_t *aim_tlv_gettlv(aim_tlvlist_t *list, fu16_t type, const int nth);
faim_internal char *aim_tlv_getstr(aim_tlvlist_t *list, const fu16_t type, const int nth);
faim_internal fu8_t aim_tlv_get8(aim_tlvlist_t *list, const fu16_t type, const int nth);
faim_internal fu16_t aim_tlv_get16(aim_tlvlist_t *list, const fu16_t type, const int nth);
faim_internal fu32_t aim_tlv_get32(aim_tlvlist_t *list, const fu16_t type, const int nth);

/* TLV list handling functions */
faim_internal aim_tlvlist_t *aim_tlvlist_read(aim_bstream_t *bs);
faim_internal aim_tlvlist_t *aim_tlvlist_readnum(aim_bstream_t *bs, fu16_t num);
faim_internal aim_tlvlist_t *aim_tlvlist_readlen(aim_bstream_t *bs, fu16_t len);
faim_internal aim_tlvlist_t *aim_tlvlist_copy(aim_tlvlist_t *orig);

faim_internal int aim_tlvlist_count(aim_tlvlist_t **list);
faim_internal int aim_tlvlist_size(aim_tlvlist_t **list);
faim_internal int aim_tlvlist_cmp(aim_tlvlist_t *one, aim_tlvlist_t *two);
faim_internal int aim_tlvlist_write(aim_bstream_t *bs, aim_tlvlist_t **list);
faim_internal void aim_tlvlist_free(aim_tlvlist_t **list);

faim_internal int aim_tlvlist_add_raw(aim_tlvlist_t **list, const fu16_t type, const fu16_t length, const fu8_t *value);
faim_internal int aim_tlvlist_add_noval(aim_tlvlist_t **list, const fu16_t type);
faim_internal int aim_tlvlist_add_8(aim_tlvlist_t **list, const fu16_t type, const fu8_t value);
faim_internal int aim_tlvlist_add_16(aim_tlvlist_t **list, const fu16_t type, const fu16_t value);
faim_internal int aim_tlvlist_add_32(aim_tlvlist_t **list, const fu16_t type, const fu32_t value);
faim_internal int aim_tlvlist_add_caps(aim_tlvlist_t **list, const fu16_t type, const fu32_t caps);
faim_internal int aim_tlvlist_add_userinfo(aim_tlvlist_t **list, fu16_t type, aim_userinfo_t *userinfo);
faim_internal int aim_tlvlist_add_frozentlvlist(aim_tlvlist_t **list, fu16_t type, aim_tlvlist_t **tl);

faim_internal int aim_tlvlist_replace_raw(aim_tlvlist_t **list, const fu16_t type, const fu16_t lenth, const fu8_t *value);
faim_internal int aim_tlvlist_replace_noval(aim_tlvlist_t **list, const fu16_t type);
faim_internal int aim_tlvlist_replace_8(aim_tlvlist_t **list, const fu16_t type, const fu8_t value);
faim_internal int aim_tlvlist_replace_16(aim_tlvlist_t **list, const fu16_t type, const fu16_t value);
faim_internal int aim_tlvlist_replace_32(aim_tlvlist_t **list, const fu16_t type, const fu32_t value);

faim_internal void aim_tlvlist_remove(aim_tlvlist_t **list, const fu16_t type);
#endif /* FAIM_INTERNAL */

/* util.c */
 * These are really ugly.  You'd think this was LISP.  I wish it was.
 * XXX With the advent of bstream's, these should be removed to enforce
 * their use.
#define aimutil_put8(buf, data) ((*(buf) = (fu8_t)(data)&0xff),1)
#define aimutil_get8(buf) ((*(buf))&0xff)
#define aimutil_put16(buf, data) ( \
            (*(buf) = (fu8_t)((data)>>8)&0xff), \
            (*((buf)+1) = (fu8_t)(data)&0xff),  \
#define aimutil_get16(buf) ((((*(buf))<<8)&0xff00) + ((*((buf)+1)) & 0xff))
#define aimutil_put32(buf, data) ( \
            (*((buf)) = (fu8_t)((data)>>24)&0xff), \
            (*((buf)+1) = (fu8_t)((data)>>16)&0xff), \
            (*((buf)+2) = (fu8_t)((data)>>8)&0xff), \
            (*((buf)+3) = (fu8_t)(data)&0xff), \
#define aimutil_get32(buf) ((((*(buf))<<24)&0xff000000) + \
            (((*((buf)+1))<<16)&0x00ff0000) + \
            (((*((buf)+2))<< 8)&0x0000ff00) + \
            (((*((buf)+3)    )&0x000000ff)))

/* Little-endian versions (damn ICQ) */
#define aimutil_putle8(buf, data) ( \
            (*(buf) = (fu8_t)(data) & 0xff), \
#define aimutil_getle8(buf) ( \
            (*(buf)) & 0xff \
#define aimutil_putle16(buf, data) ( \
            (*((buf)+0) = (fu8_t)((data) >> 0) & 0xff),  \
            (*((buf)+1) = (fu8_t)((data) >> 8) & 0xff), \
#define aimutil_getle16(buf) ( \
            (((*((buf)+0)) << 0) & 0x00ff) + \
            (((*((buf)+1)) << 8) & 0xff00) \
#define aimutil_putle32(buf, data) ( \
            (*((buf)+0) = (fu8_t)((data) >>  0) & 0xff), \
            (*((buf)+1) = (fu8_t)((data) >>  8) & 0xff), \
            (*((buf)+2) = (fu8_t)((data) >> 16) & 0xff), \
            (*((buf)+3) = (fu8_t)((data) >> 24) & 0xff), \
#define aimutil_getle32(buf) ( \
            (((*((buf)+0)) <<  0) & 0x000000ff) + \
            (((*((buf)+1)) <<  8) & 0x0000ff00) + \
            (((*((buf)+2)) << 16) & 0x00ff0000) + \
            (((*((buf)+3)) << 24) & 0xff000000))

faim_export int aimutil_putstr(char *, const char *, int);
faim_export fu16_t aimutil_iconsum(const fu8_t *buf, int buflen);
faim_export int aim_util_getlocalip(fu8_t *ip);
faim_export int aimutil_tokslen(char *toSearch, int theindex, char dl);
faim_export int aimutil_itemcnt(char *toSearch, char dl);
faim_export char *aimutil_itemindex(char *toSearch, int theindex, char dl);

faim_export int aim_snlen(const char *sn);
faim_export int aim_sncmp(const char *sn1, const char *sn2);

#include <aim_internal.h>

#ifdef __cplusplus

#endif /* __AIM_H__ */

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