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Command: memmem | Section: 3 | Source: NetBSD | File: memmem.3
MEMMEM(3) FreeBSD Library Functions Manual MEMMEM(3)
NAME
memmem - locate substring in byte string
LIBRARY
Standard C Library (libc, -lc)
SYNOPSIS
#include <string.h>
void *
memmem(const void *block, size_t blen, const void *pat, size_t plen);
DESCRIPTION
The memmem() function locates the first occurrence of the binary string
pat of size plen bytes in the byte string block of size blen bytes.
RETURN VALUES
The memmem() function returns a pointer to the substring located, or NULL
if no such substring exists within block.
If plen is zero, block is returned, i.e. a zero length pat is deemed to
match the start of the string, as with strstr(3).
SEE ALSO
bm(3), memchr(3), strchr(3), strstr(3)
STANDARDS
The memmem() function is not currently standardized. However, it is
meant to be API compatible with functions in FreeBSD and Linux.
HISTORY
memmem() first appeared in the Free Software Foundation's glibc library.
FreeBSD 14.1-RELEASE-p8 March 12, 2005 FreeBSD 14.1-RELEASE-p8