mblen - get number of bytes in multi-byte character

Syntax

#include <stdlib.h> int mblen(const char *s, size_t n);

Description mblen() returns the number of bytes of a multi-byte character to which s points. A maximum

	of n bytes in s are evaluated. No characters consisting of multiple bytes are implemented in this version. Multi-byte characters always have a length of 1 (MB_CUR_MAX =1).
Return val.	-1 0 1	if n = 0. if s is a null pointer or points to a null byte. in all other cases.
See also	mbstowcs(), mbtowc(), wcstombs(), wctomb(), stdlib.h.