libgutenprint API Reference  5.2.10
Deprecated List
Global stp_get_printer_index_by_driver (const char *driver)
There should never be any need to use this function.
Parameters
driverthe printer model's short (driver) name.
Returns
the index number, or -1 on failure.
Global stp_merge_printvars (stp_vars_t *user, const stp_vars_t *print)
This is likely to go away.
Parameters
userthe destination vars.
printthe vars to merge into user.