Finding the first occurrence of a substring in the given string using strstr() C function

Compiler: Visual C++ Express Edition 2005

Compiled on Platform: Windows 2003 Server Standard Edition

Header file: Standard

Additional library: none/default

Additional project setting: Set project to be compiled as C

Project -> your_project_name Properties -> Configuration Properties -> C/C++ -> Advanced -> Compiled As: Compiled as C Code (/TC)

Other info:

To do: Finding the first occurrence of a substring in the given string using strstr() C function

To show: How to use the strstr() C function to return a pointer to the first occurrence of a search string in a string

// Using strstr()/wcsstr()/_mbsstr() function

#include <stdio.h>

#include <string.h>

int main(void)

{

char *string1 = "abcdefgabcdefgabcdefg";

char *string2 = "defg";

printf(" Using strstr()\n");

printf(" ---------------\n");

printf("string1 = %s\n", string1);

printf("string2 = %s\n", string2);

printf("\nThe remainder of string1 beginning with the");

printf("\nfirst occurrence of string2 is: %s\n", strstr(string1, string2));

return 0;

}

Output example:

Using strstr()

---------------

string1 = abcdefgabcdefgabcdefg

string2 = defg

The remainder of string1 beginning with the

first occurrence of string2 is: defgabcdefgabcdefg

Press any key to continue . . .