mblen(3) Library Functions Manual mblen(3) mblen - (libc -lc) #include int mblen(size_t n; const char s[n], size_t n); s mblen() n s . mblen(). s. 0. n s mblen() -1. n MB_CUR_MAX . s mblen() -1. s mblen() . mblen() s . 0 . -1 . attributes(7). +------------+------------------------------------+--------------------+ || | | +------------+------------------------------------+--------------------+ |mblen() | | MT-Unsafe race | +------------+------------------------------------+--------------------+ mbrlen(3) . C11, POSIX.1-2008. POSIX.1-2001 C99. mblen() LC_CTYPE . mbrlen(3) 3 . . : . 6.18 8 2026 mblen(3)