strstr(9) centos man page | unix.com

STRSTR(9)						     Basic C Library Functions							 STRSTR(9)

NAME
       strstr - Find the first substring in a NUL terminated string

SYNOPSIS
       char * strstr(const char * s1, const char * s2);

ARGUMENTS
       s1
	   The string to be searched

       s2
	   The string to search for

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014								 STRSTR(9)