alsa-lib/include/rawmidi.h

/****************************************************************************
 *                                                                          *
 *                              rawmidi.h                                   *
 *                          RawMIDI interface                               *
 *                                                                          *
 ****************************************************************************/
 
#define SND_RAWMIDI_OPEN_OUTPUT		(O_WRONLY)
#define SND_RAWMIDI_OPEN_INPUT		(O_RDONLY)
#define SND_RAWMIDI_OPEN_DUPLEX		(O_RDWR)
 
#ifdef __cplusplus
extern "C" {
#endif

int snd_rawmidi_open( void **handle, int card, int device, int mode );
int snd_rawmidi_close( void *handle );
int snd_rawmidi_file_descriptor( void *handle );
int snd_rawmidi_block_mode( void *handle, int enable );
int snd_rawmidi_info( void *handle, snd_rawmidi_info_t *info );
int snd_rawmidi_output_switches( void *handle );
int snd_rawmidi_output_switch( void *handle, const char *switch_id );
int snd_rawmidi_output_switch_read( void *handle, int switchn, snd_rawmidi_switch_t *data );
int snd_rawmidi_output_switch_write( void *handle, int switchn, snd_rawmidi_switch_t *data );
int snd_rawmidi_input_switches( void *handle );
int snd_rawmidi_input_switch( void *handle, const char *switch_id );
int snd_rawmidi_input_switch_read( void *handle, int switchn, snd_rawmidi_switch_t *data );
int snd_rawmidi_input_switch_write( void *handle, int switchn, snd_rawmidi_switch_t *data );
int snd_rawmidi_output_params( void *handle, snd_rawmidi_output_params_t *params );
int snd_rawmidi_input_params( void *handle, snd_rawmidi_input_params_t *params );
int snd_rawmidi_output_status( void *handle, snd_rawmidi_output_status_t *status );
int snd_rawmidi_input_status( void *handle, snd_rawmidi_input_status_t *status );
int snd_rawmidi_drain_output( void *handle );
int snd_rawmidi_flush_output( void *handle );
int snd_rawmidi_flush_input( void *handle );
ssize_t snd_rawmidi_write( void *handle, const void *buffer, size_t size );
ssize_t snd_rawmidi_read( void *handle, void *buffer, size_t size );

#ifdef __cplusplus
}
#endif