易百教程

#include <stdio.h>
#include <string.h>

int main () {
   int len;
   const char str[] = "http://www.yiibai.com";
   const char ch = '.';
   char *ret;

   ret = strrchr(str, ch);

   printf("String after |%c| is - |%s|\n", ch, ret);

   return(0);
}