volume_up
if (vol.state == volume_up) /* already up */
&&(vol.state != volume_up)) { /* but it's not up */
if ((vol->state == volume_up)
case volume_up:
case volume_up:
if (vol->state == volume_up) {
if (vol->state != volume_up) {
&&((vol->state == volume_up) /* and the volume is up */
if (vol->state != volume_up) { /* can't access this volume */
if (state == volume_up) /* want to come up */
vol->state = volume_up;
status = set_volume_state(objindex, volume_up, flags);
if (VOL[objindex].state != volume_up) /* set status on whether we really did it */
volume_laststate = volume_up