#include stdio.h#include string.hint main () {const char haystack[20] = Yiibai Point;

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

int main () {
   const char haystack[20] = "Yiibai Point";
   const char needle[10] = "Point";
   char *ret;

   ret = strstr(haystack, needle);

   printf("The substring is: %s\n", ret);

   return(0);
}