ioctl_fat

(2)

manipulating the FAT filesystem

System callsmanpages-dev 6.9.1-1

#include <sys/ioctl.h> int ioctl(int fd, unsigned long op, ...);

LIBRARY

Standard C library (libc, -lc)

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 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.