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'\" t
.\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk)
.\"
.\" SPDX-License-Identifier: Linux-man-pages-copyleft
.\"
.\" References consulted:
.\" Linux libc source code
.\" Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991)
.\" 386BSD man pages
.\" Modified Sat Jul 24 18:57:24 1993 by Rik Faith (faith@cs.unc.edu)
.TH memccpy 3 2023-03-30 "Linux man-pages 6.04"
.SH NAME
memccpy \- copy memory area
.SH LIBRARY
Standard C library
.RI ( libc ", " \-lc )
.SH SYNOPSIS
.nf
.B #include <string.h>
.PP
.BI "void *memccpy(void " dest "[restrict ." n "], const void " src "[restrict ." n ],
.BI " int " c ", size_t " n );
.fi
.SH DESCRIPTION
The
.BR memccpy ()
function copies no more than
.I n
bytes from
memory area
.I src
to memory area
.IR dest ,
stopping when the
character
.I c
is found.
.PP
If the memory areas overlap, the results are undefined.
.SH RETURN VALUE
The
.BR memccpy ()
function returns a pointer to the next character
in
.I dest
after
.IR c ,
or NULL if
.I c
was not found in the
first
.I n
characters of
.IR src .
.SH ATTRIBUTES
For an explanation of the terms used in this section, see
.BR attributes (7).
.ad l
.nh
.TS
allbox;
lbx lb lb
l l l.
Interface Attribute Value
T{
.BR memccpy ()
T} Thread safety MT-Safe
.TE
.hy
.ad
.sp 1
.SH STANDARDS
POSIX.1-2008.
.SH HISTORY
POSIX.1-2001, SVr4, 4.3BSD.
.SH SEE ALSO
.BR bcopy (3),
.BR bstring (3),
.BR memcpy (3),
.BR memmove (3),
.BR strcpy (3),
.BR strncpy (3)
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