compile erro

[汪滔]

My code:

#include <fam.h>

#include <sys/time.h>

#include <sys/stat.h>

#include <sys/socket.h>

#include <sys/select.h>

#include <sys/un.h>

#include <stdio.h>

#include <string.h>

#include <unistd.h>

#include <stdlib.h>

#include <signal.h>

#include <errno.h>

#include <stdarg.h>

#include <fcntl.h>

int main(int argc,char *argv[])

{

int i,nmon,rc,fam_fd;

FAMConnection fc;

FAMRequest *frp;

struct stat status;

fd_set readfds;

char cmd[256];



frp=malloc(argc*(sizeof(*frp)));

if(!frp)

{

perror("malloc");

exit(1);

}



if((FAMOpen(&fc)) < 0)

{

perror("fam");

exit(1);

}



rc=FAMMonitorDirectory(&fc,argv[0],frp,NULL);

if(rc<0)

{

perror("FAMMonitor failed");

}

memset(cmd,0,256);

sprintf(cmd,"rsync -rlopgztC --delete -e 'rsh' %s
%s",argv[0],argv[1]);

while(1)

{

if(FAMPending(&fc)==1)

{

system("date");

system(cmd);

system("date");

}

}



}





Compile : gcc šCo mirror mirror.c



Erro:

mirror.c:(.text+0x51): undefined reference to `FAMOpen'

mirror.c:(.text+0x85): undefined reference to `FAMMonitorDirectory'

mirror.c:(.text+0xea): undefined reference to `FAMPending'

collect2: ld returned 1 exit status