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NAME

memmem — locate a byte substring in a byte string

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 little is zero length, big is returned; 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)

STANDARDS

The memmem() function conforms to.

HISTORY

The memmem() function first appeared in OpenBSD 5.4.