These generic-text constant, global variable, and standard-type mappings are defined in TCHAR.H and depend on whether the constant _UNICODE or _MBCS has been defined in your program.
Generic-Text Constant and Global Variable Mappings
Generic-text –
object name | SBCS (_UNICODE,
_MBCS not defined) | _MBCS defined | _UNICODE
defined |
| _TEOF | EOF | EOF | WEOF |
| _tenviron | _environ | _environ | _wenviron |
| _tpgmptr | _pgmptr | _pgmptr | _wpgmptr |
See Also
Generic-Text Mappings | Data Type Mappings | Routine Mappings | A Sample Generic-Text Program | Using Generic-Text Mappings