int comedi_find_subdevice_by_type(comedi_t * device, int type, unsigned int start_subdevice);
Overview
The function comedi_find_subdevice_by_type tries to locate a subdevice belonging to comedi device device, having type type, starting with the subdevice start_subdevice. The comedi_subdevice_type enum specifies the possible subdevice types.
Return value
If it finds a subdevice with the requested type, it returns its index. If there is an error, the function returns -1 and sets the appropriate error.
Releases
12 releases since Debian 3.0 (Woody); the text changed 9 times.