#include #include #include #include "../include/asoundlib.h" int main(int argc, char *argv[]) { int err; void *handle; err = snd_pcm_loopback_open(&handle, 0, 0, SND_PCM_LB_OPEN_PLAYBACK); if (err < 0) { fprintf(stderr, "open error: %s\n", snd_strerror(err)); exit(0); } snd_pcm_loopback_close(handle); return 0; }