retval

The return values in retval.h are as follows:

• RETVNULLPTR -1 / A null pointer argument was supplied /
• RETVEMPTY -2 / A required string parameter was empty /
• RETVBADNUM -3 / A provided numeric value was not in valid range /
• RETVBADSTR -4 / Comparison substring contains invalid characters /
• RETVNOTFOUND -8 / No value was found /