snd_rawmidi_transmit(9) centos man page | unix.com

SND_RAWMIDI_TRANSMIT(9) 					     MIDI API						   SND_RAWMIDI_TRANSMIT(9)

NAME
       snd_rawmidi_transmit - copy from the buffer to the device

SYNOPSIS
       int snd_rawmidi_transmit(struct snd_rawmidi_substream * substream, unsigned char * buffer, int count);

ARGUMENTS
       substream
	   the rawmidi substream

       buffer
	   the buffer pointer

       count
	   the data size to transfer

DESCRIPTION
       Copies data from the buffer to the device and advances the pointer.

RETURN
       The copied size if successful, or a negative error code on failure.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						   SND_RAWMIDI_TRANSMIT(9)