wcscat(3) Library Functions Manual wcscat(3) wcscat - C (libc, -lc) #include wchar_t *wcscat(wchar_t *restrict dest, const wchar_t *restrict src); The wcscat() function is the wide-character equivalent of the strcat(3) function. It copies the wide-character string pointed to by src, including the terminating null wide character (L'\0'), to the end of the wide-character string pointed to by dest. . , dest wcslen(dest)+wcslen(src)+1 . wcscat() dest. attributes(7). +----------------------------+----------------------------------------------------------+--------------------------+ | | | | +----------------------------+----------------------------------------------------------+--------------------------+ |wcscat() | | MT-Safe | +----------------------------+----------------------------------------------------------+--------------------------+ C11, POSIX.1-2008. POSIX.1-2001, C99. strcat(3), wcpcpy(3), wcscpy(3), wcsncat(3) () Azamat Hackimov Yuri Kozlov ; GNU (GNU General Public License - GPL, 3 ) , - . - , , () () () . Linux man-pages 6.18 8 2026 . wcscat(3)