int card_to_num(const char *device_name)
void get_alsa_sequencer_names(std::map< std::string, std::string > &devices)
void get_alsa_audio_device_names(std::map< std::string, std::string > &devices, AlsaDuplex duplex=FullDuplex)
void get_alsa_rawmidi_device_names(std::map< std::string, std::string > &devices)