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wmemcpy(3) — Linux manual page

wmemcpy(3)               Library Functions Manualwmemcpy(3)

NAME        top

       wmemcpy - copy an array of wide-characters

LIBRARY        top

       Standard C library (libc,-lc)

SYNOPSIS        top

#include <wchar.h>wchar_t *wmemcpy(size_t n;wchar_tdest[restrictn],const wchar_tsrc[restrictn],size_tn);

DESCRIPTION        top

       Thewmemcpy() function is the wide-character equivalent of thememcpy(3) function.  It copiesn wide characters from the array       starting atsrc to the array starting atdest.       The arrays may not overlap; usewmemmove(3) to copy between       overlapping arrays.       The programmer must ensure that there is room for at leastn wide       characters atdest.

RETURN VALUE        top

wmemcpy() returnsdest.

ATTRIBUTES        top

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

STANDARDS        top

       C11, POSIX.1-2008.

HISTORY        top

       POSIX.1-2001, C99.

SEE ALSO        top

memcpy(3),wcscpy(3),wmemmove(3),wmempcpy(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            2025-06-28wmemcpy(3)

Pages that refer to this page:memcpy(3), mempcpy(3), wcscpy(3), wmemmove(3), signal-safety(7)

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