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'\" t
.\" Copyright, the authors of the Linux man-pages project
.\"
.\" SPDX-License-Identifier: Linux-man-pages-copyleft
.\"
.TH memccpy 3 2025-06-28 "Linux man-pages (unreleased)"
.SH NAME
memccpy \- copy memory area
.SH LIBRARY
Standard C library
.RI ( libc ,\~ \-lc )
.SH SYNOPSIS
.nf
.B #include <string.h>
.P
.BR "void *memccpy(" "size_t n;"
.BI " 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
.RI ( c
is copied).
.P
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).
.TS
allbox;
lbx lb lb
l l l.
Interface Attribute Value
T{
.na
.nh
.BR memccpy ()
T} Thread safety MT-Safe
.TE
.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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