Macro (un)definition at include/linux/soundcard.h, line 172 References: fs/compat_ioctl.c, line 2251 include/linux/soundcard.h, line 172 sound/core/seq/oss/seq_oss_ioctl.c, line 84 sound/core/seq/oss/seq_oss_timer.c, line 252 sound/oss/mpu401.c, line 1522 sound/oss/sequencer.c, line 1340 sound/oss/sound_timer.c, line 197 sound/oss/sys_timer.c, line 207