'\" 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 2023-07-20 "Linux man-pages 6.05.01" .SH NAME memccpy \- copy memory area .SH LIBRARY Standard C library .RI ( libc ", " \-lc ) .SH SYNOPSIS .nf .B #include .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). .TS allbox; lbx lb lb l l l. Interface Attribute Value T{ .na .nh .BR memccpy () T} Thread safety MT-Safe .TE .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)