_mbctolower, _mbctoupper

unsigned int _mbctolower( unsigned int c );

unsigned int _mbctoupper( unsigned int c );

Routine Required Header Compatibility
_mbctolower <mbstring.h> Win 95, Win NT
_mbctoupper <mbstring.h> Win 95, Win NT

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

Each of these functions returns the converted character c, if possible. Otherwise it returns the character c unchanged.

Parameter

c

Multibyte character to convert

Remarks

The _mbctolower and _mbctoupper functions test a character c and, if possible, apply one of the following conversions.

Routine Converts
_mbctolower Uppercase character to lowercase character
_mbctoupper Lowercase character to uppercase character

In previous versions, _mbctolower was called jtolower, and _mbctoupper was called jtoupper. For new code, use the new names instead.

Generic-Text Routine Mappings

TCHAR.H Routine _UNICODE & _MBCS Not Defined _MBCS Defined _UNICODE Defined
_totlower tolower _mbctolower towlower
_totupper toupper _mbctoupper towupper

Data Conversion Routines

See Also   _mbbtombc, _mbcjistojms, _mbctohira, _mbctombb