All of the cfgfile functions return an error code; zero means no error. These are the error code values which may be returned:

Value and Macro	Reason
0 = ECFG_OK	No error
1 = ECFG_PARSEWARN	Warning during parsing of file
2 = ECFG_BADCFGFILE	File handle out of range or invalid
3 = ECFG_LIMIT	No more space to store information
4 = ECFG_ALREADY	Entry already exists
5 = ECFG_NOTFOUND	Element not found
6 = ECFG_NOTFOUND2	Element not found
7 = ECFG_NOMORE	No more elements
8 = ECFG_WRONGTYPE	Wrong type
21 = ECFG_MEM	Not enough memory
22 = ECFG_PARSEFAIL	Parse failure
23 = ECFG_WRONGFILETYPE	Wrong file type