Programming

#include <stdlib.h>
#include <sys/time.h>
main()
{
     struct timeval tv;
     struct timezone tz;
     struct tm *tm;
     gettimeofday(&tv, &tz);
     tm=localtime(&tv.tv_sec);
     printf(" %d:%02d:%02d %d \n", tm->tm_hour, tm->tm_min,
              m->tm_sec, tv.tv_usec);
     exit(0);
}

get_time.c: In function `main':
get_time.c:9: warning: assignment makes pointer from integer without a cast
get_time.c:10: error: dereferencing pointer to incomplete type
get_time.c:10: error: dereferencing pointer to incomplete type
get_time.c:11: error: `m' undeclared (first use in this function)
get_time.c:11: error: (Each undeclared identifier is reported only once
get_time.c:11: error: for each function it appears in.)

printf(" %d:%02d:%02d %d \n", tm->tm_hour, tm->tm_min,
              m->tm_sec, tv.tv_usec);