freebsd man page for memmem

MEMMEM(3)						   BSD Library Functions Manual 						 MEMMEM(3)

NAME
     memmem -- locate a byte substring in a byte string

LIBRARY
     Standard C Library (libc, -lc)

SYNOPSIS
     #include <string.h>

     void *
     memmem(const void *big, size_t big_len, const void *little, size_t little_len);

DESCRIPTION
     The memmem() function locates the first occurrence of the byte string little in the byte string big.

RETURN VALUES
     If big_len is smaller than little_len, if little_len is 0, if big_len is 0 or if little occurs nowhere in big, NULL is returned; otherwise a
     pointer to the first character of the first occurrence of little is returned.

SEE ALSO
     memchr(3), strchr(3), strstr(3)

CONFORMING TO
     memmem() is a GNU extension.

HISTORY
     The memmem() function first appeared in FreeBSD 6.0.

AUTHORS
     Pascal Gloor <pascal.gloor@spale.com>

BUGS
     This function was broken in Linux libc up to and including version 5.0.9 and in GNU libc prior to version 2.1.

BSD
								  August 24, 2005							       BSD