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ioctl_fat
Section: System Calls (2) Updated: 202-0-17 Index
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NAME
ioctl_fat - manipulating the FAT filesystem
LIBRARY
Standard C library
( libc,~ -lc)
SYNOPSIS
#include <sys/ioctl.h>
int ioctl(int fd, unsigned long op, ...);
DESCRIPTION
The
ioctl(2)
system call can be used to read and write metadata of FAT filesystems that
are not accessible using other system calls.
The following
op
values are available.
Reading and setting file attributes
- FAT_IOCTL_GET_ATTRIBUTES(2const)
-
FAT_IOCTL_SET_ATTRIBUTES(2const)
Reading the volume ID
- FAT_IOCTL_GET_VOLUME_ID(2const)
-
Reading short filenames of a directory
- VFAT_IOCTL_READDIR_BOTH(2const)
-
VFAT_IOCTL_READDIR_SHORT(2const)
RETURN VALUE
On success,
a nonnegative value is returned.
On error, -1 is returned, and
errno
is set to indicate the error.
ERRORS
- ENOTTY
-
The file descriptor
fd
does not refer to an object in a FAT filesystem.
STANDARDS
Linux.
SEE ALSO
ioctl(2)
Index
- NAME
-
- LIBRARY
-
- SYNOPSIS
-
- DESCRIPTION
-
- Reading and setting file attributes
-
- Reading the volume ID
-
- Reading short filenames of a directory
-
- RETURN VALUE
-
- ERRORS
-
- STANDARDS
-
- SEE ALSO
-
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