Movatterモバイル変換

memccpy(3) — Linux manual page

memccpy(3)               Library Functions Manualmemccpy(3)

NAME        top

       memccpy - copy memory area

LIBRARY        top

       Standard C library (libc,-lc)

SYNOPSIS        top

#include <string.h>void *memccpy(size_t n;voiddest[restrictn], const voidsrc[restrictn],intc, size_tn);

DESCRIPTION        top

       Thememccpy() function copies no more thann bytes from memory       areasrc to memory areadest, stopping when the characterc is       found (c is copied).       If the memory areas overlap, the results are undefined.

RETURN VALUE        top

       Thememccpy() function returns a pointer to the next character indest afterc, or NULL ifc was not found in the firstn characters       ofsrc.

ATTRIBUTES        top

       For an explanation of the terms used in this section, seeattributes(7).       ┌──────────────────────────────────────┬───────────────┬─────────┐       │Interface│Attribute│Value│       ├──────────────────────────────────────┼───────────────┼─────────┤       │memccpy()                            │ Thread safety │ MT-Safe │       └──────────────────────────────────────┴───────────────┴─────────┘

STANDARDS        top

       POSIX.1-2008.

HISTORY        top

       POSIX.1-2001, SVr4, 4.3BSD.

SEE ALSO        top

bcopy(3),bstring(3),memcpy(3),memmove(3),strcpy(3),strncpy(3)

COLOPHON        top

       This page is part of theman-pages (Linux kernel and C library       user-space interface documentation) project.  Information about       the project can be found at        ⟨https://www.kernel.org/doc/man-pages/⟩.  If you have a bug report       for this manual page, see       ⟨https://git.kernel.org/pub/scm/docs/man-pages/man-pages.git/tree/CONTRIBUTING⟩.       This page was obtained from the tarball man-pages-6.15.tar.gz       fetched from       ⟨https://mirrors.edge.kernel.org/pub/linux/docs/man-pages/⟩ on       2025-08-11.  If you discover any rendering problems in this HTML       version of the page, or you believe there is a better or more up-       to-date source for the page, or you have corrections or       improvements to the information in this COLOPHON (which isnot       part of the original manual page), send a mail to       man-pages@man7.orgLinux man-pages 6.15            2025-06-28memccpy(3)

Pages that refer to this page:bcopy(3), bstring(3), memcpy(3), memmove(3), mempcpy(3), signal-safety(7), string_copying(7)

HTML rendering created 2025-09-06 byMichael Kerrisk, author ofThe Linux Programming Interface. For details of in-depthLinux/UNIX system programming training courses that I teach, lookhere. Hosting byjambit GmbH.