wcscspn(3) Library Functions Manual wcscspn(3) wcscspn - (libc -lc) #include size_t wcscspn(const wchar_t *wcs, const wchar_t *reject); wcscspn() strcspn(3). wcs reject. wcs reject. wcscspn() wcs reject. wcs reject wcslen(wcs) . attributes(7). +------------+------------------------------------+--------------------+ || | | +------------+------------------------------------+--------------------+ |wcscspn() | | MT-Safe | +------------+------------------------------------+--------------------+ C11, POSIX.1-2008. POSIX.1-2001 C99. strcspn(3), wcspbrk(3), wcsspn(3) 3 . . : . 6.18 8 2026 wcscspn(3)