_SC_2_C_BIN             _POSIX2_C_BIND     
_SC_2_C_DEV             _POSIX2_C_DEV      
_SC_2_C_VERSION         _POSIX2_C_VERSION  
_SC_2_CHAR_TERM         _POSIX2_CHAR_TERM  
_SC_2_FORT_DEV          _POSIX2_FORT_DEV   
_SC_2_FORT_RUN          _POSIX2_FORT_RUN   
_SC_2_LOCALEDEF         _POSIX2_LOCALEDEF  
_SC_2_SW_DEV            _POSIX2_SW_DEV     
_SC_2_UPE               _POSIX2_UPE        
_SC_2_VERSION           _POSIX2_VERSION    
_SC_XOPEN_ENH_I18N      _XOPEN_ENH_I18N