int _ismbblead( unsigned int c );
| Routine | Required Header | Optional Headers | Compatibility |
| _ismbblead | <mbctype.h> or <mbstring.h> | <ctype.h>,1 <limits.h>, <stdlib.h> | Win 95, Win NT |
1 For manifest constants for the test conditions.
For additional compatibility information, see Compatibility in the Introduction.
Libraries
| LIBC.LIB | Single thread static library, retail version |
| LIBCMT.LIB | Multithread static library, retail version |
| MSVCRT.LIB | Import library for MSVCRT.DLL, retail version |
Return Value
_ismbblead returns a nonzero value if the integer c is the first byte of a multibyte character. For example, in code page 932 only, valid ranges are 0x81 – 0x9F and 0xE0 – 0xFC.
Parameter
c
Integer to be tested
Generic-Text Routine Mappings
| TCHAR.H Routine | _UNICODE & _MBCS Not Defined | _MBCS Defined | _UNICODE Defined |
| _istlead | Always returns false | _ismbblead | Always returns false |