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

See also:

snd_card_name(), snd_card_get_name()