wcscat(3) Library Functions Manual wcscat(3) wcscat - (libc -lc) #include wchar_t *wcscat(wchar_t *restrict dest, const wchar_t *restrict src); wcscat() strcat(3). src (L'\0') dest. . wcslen(dest)+wcslen(src)+1 dest. wcscat() dest. attributes(7). +------------+------------------------------------+--------------------+ || | | +------------+------------------------------------+--------------------+ |wcscat() | | MT-Safe | +------------+------------------------------------+--------------------+ C11, POSIX.1-2008. POSIX.1-2001 C99. strcat(3), wcpcpy(3), wcscpy(3), wcsncat(3) 3 . . : . 6.18 8 2026 wcscat(3)