man comedi_find_subdevice_by_type (Fonctions bibliothèques) - search for subdevice type

NAME

comedi_find_subdevice_by_type - search for subdevice type

SYNOPSIS

#include <comedilib.h> int comedi_find_subdevice_by_type (comedi_t * device, int type, unsigned int start_subdevice);

DESCRIPTION

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. If it finds a subdevice with the requested type, it returns its index. If it does not locate the requested subdevice, it returns -1 and sets the Comedilib error number to XXX "subdevice not found". If there is an error, the function returns -1 and sets the appropriate error.