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
CONFORMING TO
memmem() is a GNU extension.
HISTORY
The memmem() function first appeared in FreeBSD 6.0.
AUTHORS
Pascal Gloor ⟨[email protected]⟩
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.