--environment_vars-- 
     --rexxhost-- 
     --structures-- 
     CloseCatalog() 
     CloseLocale() 
     ConvToLower() 
     ConvToUpper() 
     FormatDate() 
     FormatString() 
     GetCatalogStr() 
     GetLocaleStr() 
     IsXXXX() 
     OpenCatalog() 
     OpenLocale() 
     ParseDate() 
     StrConvert() 
     StrnCmp()