(constant
 ;; typedef enum _snd_pcm_stream
 'SND_PCM_STREAM_PLAYBACK 0
 'SND_PCM_STREAM_CAPTURE  1
 ;; Non blocking mode (flag for open mode)
 'SND_PCM_NONBLOCK 0x00000001
 ;; Async notification
 'SND_PCM_ASYNC    0x00000002
 )

(import LIB "snd_pcm_open" "int"
        "void*" ; snd_pcm_t **pcmp [output]
        "char*" ; const char *name
        "int"   ; snd_pcm_stream_t stream
        "int"   ; int mode
        )