strstr

Syntax

#include <string.h> char *strstr(const char *s1, const char *s2);

Description

This function finds the first occurrence of s2 in s1.

Return Value

A pointer within s1, or NULL if s2 wasn't found.

Portability

ANSI/ISO C	C89; C99
POSIX	1003.2-1992; 1003.1-2001

Example

if (strstr(command, ".exe")) do_exe();