wcsdup(3) Library Functions Manual wcsdup(3) wcsdup - (libc -lc) #include wchar_t *wcsdup(const wchar_t *s); glibc ( feature_test_macros(7)): wcsdup(): glibc 2.10: _POSIX_C_SOURCE >= 200809L glibc 2.10: _GNU_SOURCE wcsdup() strdup(3). s. malloc(3) free(3). wcsdup() . NULL errno . ENOMEM . attributes(7). +------------+------------------------------------+--------------------+ || | | +------------+------------------------------------+--------------------+ |wcsdup() | | MT-Safe | +------------+------------------------------------+--------------------+ POSIX.1-2008. libc5, glibc 2.0. strdup(3), wcscpy(3) 3 . . : . 6.18 8 2026 wcsdup(3)