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snd_cards()

Count the sound cards

Synopsis:

#include <sys/asoundlib.h>

int snd_cards ( void );

Library:

libasound.so

Description:

The snd_cards() function returns the instantaneous number of sound cards that have running drivers. There's no guarantee that the sound cards have contiguous card numbers, and cards may be unmounted at any time.

Returns:

The number of sound cards.

Classification:

QNX Neutrino

Safety:
Cancellation point	No
Interrupt handler	No
Signal handler	Yes
Thread	Yes

See also:

snd_cards_list()

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