SND_RAWMIDI_TRANSMIT(9) Sound Devices SND_RAWMIDI_TRANSMIT(9)NAMEsnd_rawmidi_transmit - copy from the buffer to the deviceSYNOPSISint snd_rawmidi_transmit(struct snd_rawmidi_substream * substream, unsigned char * buffer, int count);ARGUMENTSsubstream the rawmidi substream buffer the buffer pointer count the data size to transferDESCRIPTIONCopies data from the buffer to the device and advances the pointer. Returns the copied size if successful, or a negative error code on failure.COPYRIGHTKernel Hackers Manual 2.6. July 2010 SND_RAWMIDI_TRANSMIT(9)