—
Options · 1
| ENOTTY | The file descriptor fd does not refer to an object in a FAT filesystem. |
NAME
ioctl_fat - manipulating the FAT filesystem
LIBRARY
Standard C library (libc, -lc)
SYNOPSIS
bash
#include <sys/ioctl.h>bash
int ioctl(int \nfd\n, unsigned long \nop\n, ...);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)