Determines the length in bytes of a multibyte character.
Standard C Library (libc.a)
The mblen subroutine determines the length, in bytes, of a multibyte character.
Item | Description |
---|---|
Mbstring | Points to a multibyte character string. |
Number | Specifies the maximum number of bytes to consider. |
The mblen subroutine returns 0 if the MbString parameter points to a null character. It returns -1 if a character cannot be formed from the number of bytes specified by the Number parameter. If MbString is a null pointer, 0 is returned.