char *[B]strstr[/B](const char *s1, const char *s2);
#include <stdio.h>
#include <string.h>
int main(void)
{
char *str1 = "Borland International", *str2 = "nation", *ptr;
ptr = [B]strstr[/B](str1, str2);
printf("The substring is: %s\n", ptr);
return 0;
}