问题是通过链接还是包含....的方式找到了库libircclient.h,但是没有在库中使用的功能....
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <stdlib.h>
/*#include "./libircclient-1.6/include/libircclient.h"*/
#include "libircclient.h"
typedef struct
{
char * channel;
char * nick;
} irc_ctx_t;
void addlog (const char * fmt, ...)
{
FILE * fp; // File-Zeiger
char buf[1024];
va_list va_alist;
va_start (va_alist, fmt);
#if defined (WIN32)
_vsnprintf (buf, sizeof(buf), fmt, va_alist);
#else
vsnprintf (buf, sizeof(buf), fmt, va_alist);
#endif
va_end (va_alist);
printf ("%s\n", buf);
if ( (fp = fopen ("irctest.log", "ab")) != 0 ) // High level, daher File-Zeiger
{
fprintf (fp, "%s\n", buf);
fclose (fp);
}
}
void dump_event (irc_session_t * session, const char * event, const char * origin, const char ** params, unsigned int count)
{
char buf[512];
int cnt;
buf[0] = '\0';
for ( cnt = 0; cnt < count; cnt++ )
{
if ( cnt )
strcat (buf, "|");
strcat (buf, params[cnt]);
}
addlog ("Event \"%s\", origin: \"%s\", params: %d [%s]", event, origin ? origin : "NULL", cnt, buf);
}
void event_join (irc_session_t * session, const char * event, const char * origin, const char ** params, unsigned int count)
{
dump_event (session, event, origin, params, count);
irc_cmd_user_mode (session, "+i");
irc_cmd_msg (session, params[0], "Hi all");
}
void event_connect (irc_session_t * session, const char * event, const char * origin, const char ** params, unsigned int count)
{
irc_ctx_t * ctx = (irc_ctx_t *) irc_get_ctx (session);
dump_event (session, event, origin, params, count);
irc_cmd_join (session, ctx->channel, 0);
}
void event_privmsg (irc_session_t * session, const char * event, const char * origin, const char ** params, unsigned int count)
{
dump_event (session, event, origin, params, count);
printf ("'%s' said me (%s): %s\n",
origin ? origin : "someone",
params[0], params[1] );
}
....
gcc irctest.c
/tmp/ccbleNaD.o:在函数`event_join'中:irctest.c :(。text + 0x2b9):
未定义对irc_cmd_user_mode的引用irctest.c :(。text + 0x2d4):
未定义对`irc_cmd_msg'/tmp/ccbleNaD.o的引用:在函数中
`event_connect':irctest.c :(。text + 0x2fe):未定义的引用
irc_get_ctx irctest.c :(。text + 0x33b):未定义的引用
irc_cmd_join' /tmp/ccbleNaD.o: In function
dcc_recv_callback':irctest.c :(。text + 0x43c):对`irc_dcc_msg'的未定义引用
irctest.c :(。text + 0x49b):对`irc_dcc_msg'的未定义引用
irctest.c :(。text + 0x4a7):对`irc_strerror'的未定义引用....
collect2:ld gab 1 als Ende-Statuszurück
最佳答案
编译时,必须链接到库。它正在查找函数声明,但无法链接到包含该定义的目标文件。
我认为应该是这样的:gcc -lircclient irctest.c