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strstr

Usage

   #include <string.h>
   char *strstr(const char *string1,const char *string2);

   ANSI

Description

   Returns a pointer to the first occurrence of string2 within string1.

Example 

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

   char *string = " Example string";
   char *cmp = "str";

   int main()
   {
       printf("strstr Example [%s]\n",strstr(string,cmp));
       return EXIT_SUCCESS;
   }

Return Value

   strstr returns NULL if no occurrence was found. If string2 is of 0
   length, returns string1.