MEMMEM
Section: Linux Programmer's Manual (3)
Updated: 2014-08-19
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NAME
memmem - locate a substring
SYNOPSIS
#define _GNU_SOURCE /* See feature_test_macros(7) */
#include <string.h>
void *memmem(const void *haystack, size_t haystacklen,
const void *needle, size_t needlelen);
DESCRIPTION
The
memmem()
function finds the start of the first occurrence
of the substring
needle
of length
needlelen
in the memory
area
haystack
of length
haystacklen.
RETURN VALUE
The
memmem()
function returns a pointer to the beginning of the
substring, or NULL if the substring is not found.
ATTRIBUTES
Multithreading (see pthreads(7))
The
memmem()
function is thread-safe.
CONFORMING TO
This function is a GNU extension.
BUGS
In glibc 2.0, if
needle
is empty,
memmem()
returns a pointer to the last byte of
haystack.
This is fixed in glibc 2.1.
SEE ALSO
strstr(3)
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURN VALUE
-
- ATTRIBUTES
-
- Multithreading (see pthreads(7))
-
- CONFORMING TO
-
- BUGS
-
- SEE ALSO
-
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Time: 02:55:03 GMT, September 18, 2014