PCM_ENABLE_OUTPUT
#define IMODE_OUTPUT PCM_ENABLE_OUTPUT
if (*arg_i & PCM_ENABLE_OUTPUT)
*arg_i |= PCM_ENABLE_OUTPUT;
if (((wrch == NULL) && (group->mode & PCM_ENABLE_OUTPUT)) ||
if (group->mode & PCM_ENABLE_OUTPUT) {
#define OPEN_WRITE PCM_ENABLE_OUTPUT