strstr Function

It returns a pointer to the first occurrence of *str2 in *str1 or a null pointer if there str2 is not part of str1 .

It returns a null pointer if no match is found .

Syntax:

  char *strstr(const char *str1, const char *str2);

Example:

#include <string.h>

#include <stdio.h>



  int main()

  {

    char *p;



    p = strstr("this is a test", "is");

    printf(p);



    return 0;

  }

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