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cd_type(3X)


cd_type -- get CD-ROM format identification

Synopsis

   cc [flag . . . ] file . . . -lcdfs -lgen [library] . . .
   

#include <sys/cdrom.h>

int cd_type(const char *path);

Description

cd_type determines the type of a CD-ROM and indicates the CD-ROM type in the return value.

path
File or directory within the CD-ROM file system, or block special file containing the CD-ROM file system.

Return values

On success, cd_type returns one of the following values:

CD_IS09660
The CD-ROM is recorded according to ISO-9660.

CDFS_HIGH_SIERRA
The CD-ROM is recorded according to High Sierra.

CDFS_UNDEF_FS_TYPE
The CD-ROM is recorded according to an unknown specification.

On failure, cd_type returns -1 and sets errno to indicate the error as follows:


EACCES
Search permission is denied on a component of path, or read permission is denied on the file, directory, or block special file that is pointed to by path.

EFAULT
Invalid address of path.

EINVAL
path points to a file or directory that is outside the CD-ROM file system.

EMFILE
The maximum number of file descriptors are open.

ENAMETOOLONG
The size of path exceeds MAXPATHLEN, or the component of a path name is longer than MAXNAMELEN while _POSIX_NO_TRUNC is in effect.

ENFILE
The system file table is full.

ENOENT
path does not exist or the path argument points to an empty string.

ENOTDIR
A component of path is not a directory.

ENXIO
path is a block special file and the device associated with it does not exist.

ENXIO
The CD-ROM is not in the drive or a read error occurred.

© 2004 The SCO Group, Inc. All rights reserved.
UnixWare 7 Release 7.1.4 - 25 April 2004