'\" t .\" Copyright (c) Bruno Haible .\" .\" SPDX-License-Identifier: GPL-2.0-or-later .\" .\" References consulted: .\" GNU glibc-2 source code and manual .\" Dinkumware C library reference http://www.dinkumware.com/ .\" OpenGroup's Single UNIX specification http://www.UNIX-systems.org/online.html .\" ISO/IEC 9899:1999 .\" .TH wcscat 3 2024-05-02 "Linux man-pages 6.8" .SH NAME wcscat \- concatenate two wide-character strings .SH LIBRARY Standard C library .RI ( libc ", " \-lc ) .SH SYNOPSIS .nf .B #include .P .BI "wchar_t *wcscat(wchar_t *restrict " dest \ ", const wchar_t *restrict " src ); .fi .SH DESCRIPTION The .BR wcscat () function is the wide-character equivalent of the .BR strcat (3) function. It copies the wide-character string pointed to by .IR src , including the terminating null wide character (L\[aq]\e0\[aq]), to the end of the wide-character string pointed to by .IR dest . .P The strings may not overlap. .P The programmer must ensure that there is room for at least .IR wcslen(dest) + wcslen(src) +1 wide characters at .IR dest . .SH RETURN VALUE .BR wcscat () returns .IR dest . .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 wcscat () T} Thread safety MT-Safe .TE .SH STANDARDS C11, POSIX.1-2008. .SH HISTORY POSIX.1-2001, C99. .SH SEE ALSO .BR strcat (3), .BR wcpcpy (3), .BR wcscpy (3), .BR wcsncat (3)