A number of translation or reference tables are supplied with the POSIX server in source format. Software AG recommends that you use these tables without modification. If errors are found in these tables, Software AG will make the correction generally available.
The table PAANAETT is used to translate ASCII data to EBCDIC data.
The table PAANEATT is used to translate EBCDIC data to ASCII data.
The table PAANEULE is used to translate uppercase EBCDIC characters to lowercase. It is used primarily by the 'tolower' and '_tolower' functions.
The table PAANEUTT is used to translate EBCDIC lowercase characters to EBCDIC uppercase characters. It is used primarily by the 'toupper' and '_toupper' functions.
The table PAANSPCE is used to identify 'white space characters' in an EBCDIC data stream. It is used primarily for the 'isspace' function.