snd_card_get_longname()

Find the long name for a given card number

Synopsis:

#include <sys/asoundlib.h>

int snd_card_get_longname ( int card,
                            char *name,
                            size_t size );

Arguments:

card: The card number.
name: A buffer in which snd_card_get_longname() stores the name.
size: The size of the buffer, in bytes.

Library:

libasound.so

Description:

The snd_card_get_longname() function gets the long name associated with the given card number, and stores as much of the name as possible in the buffer pointed to by name.

Returns:

Zero, or a negative error code.

Errors:

-EINVAL: The card number is invalid, or name is NULL.
-EACCES: Search permission is denied on a component of the path prefix, or the device exists and the permissions specified are denied.
-EINTR: The open() operation was interrupted by a signal.
-EMFILE: Too many file descriptors are currently in use by this process.
-ENFILE: Too many files are currently open in the system.
-ENOENT: The named device doesn't exist.
-ENOMEM: No memory available for data structure.
-SND_ERROR_INCOMPATIBLE_VERSION: The audio driver version is incompatible with the client library that the application is using.

Classification:

QNX Neutrino

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