Section: POSIX Programmer's Manual (3P)
This manual page is part of the POSIX Programmer's Manual.
The Linux implementation of this interface may differ (consult
the corresponding Linux manual page for details of Linux behavior),
or the interface may not be implemented on Linux.
--- copy bytes in memory
void *memccpy(void *restrict s1, const void *restrict s2,
int c, size_t n);
function shall copy bytes from memory area
stopping after the first occurrence of byte
(converted to an
is copied, or after
bytes are copied, whichever comes first. If copying takes place
between objects that overlap, the behavior is undefined.
function shall return a pointer to the byte after the copy of
or a null pointer if
was not found in the first
No errors are defined.
The following sections are informative.
function does not check for the overflow of the receiving memory area.
The Base Definitions volume of POSIX.1-2017,
Portions of this text are reprinted and reproduced in electronic form
from IEEE Std 1003.1-2017, Standard for Information Technology
-- Portable Operating System Interface (POSIX), The Open Group Base
Specifications Issue 7, 2018 Edition,
Copyright (C) 2018 by the Institute of
Electrical and Electronics Engineers, Inc and The Open Group.
In the event of any discrepancy between this version and the original IEEE and
The Open Group Standard, the original IEEE and The Open Group Standard
is the referee document. The original Standard can be obtained online at
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