NAME |LIBRARY |SYNOPSIS |DESCRIPTION |RETURN VALUE |ERRORS |STANDARDS |SEE ALSO |COLOPHON | |
ioctl_fat(2) System Calls Manualioctl_fat(2)ioctl_fat - manipulating the FAT filesystem
Standard C library (libc,-lc)
#include <sys/ioctl.h>int ioctl(intfd, unsigned longop, ...);
Theioctl(2) system call can be used to read and write metadata of FAT filesystems that are not accessible using other system calls. The followingop values are available.Reading and setting file attributesFAT_IOCTL_GET_ATTRIBUTES(2const)FAT_IOCTL_SET_ATTRIBUTES(2const)Reading the volume IDFAT_IOCTL_GET_VOLUME_ID(2const)Reading short filenames of a directoryVFAT_IOCTL_READDIR_BOTH(2const)VFAT_IOCTL_READDIR_SHORT(2const)
On success, a nonnegative value is returned. On error, -1 is returned, anderrno is set to indicate the error.
ENOTTYThe file descriptorfd does not refer to an object in a FAT filesystem.
Linux.
ioctl(2)
This page is part of theman-pages (Linux kernel and C library user-space interface documentation) project. Information about the project can be found at ⟨https://www.kernel.org/doc/man-pages/⟩. If you have a bug report for this manual page, see ⟨https://git.kernel.org/pub/scm/docs/man-pages/man-pages.git/tree/CONTRIBUTING⟩. This page was obtained from the tarball man-pages-6.15.tar.gz fetched from ⟨https://mirrors.edge.kernel.org/pub/linux/docs/man-pages/⟩ on 2025-08-11. If you discover any rendering problems in this HTML version of the page, or you believe there is a better or more up- to-date source for the page, or you have corrections or improvements to the information in this COLOPHON (which isnot part of the original manual page), send a mail to man-pages@man7.orgLinux man-pages 6.15 2025-05-17ioctl_fat(2)Pages that refer to this page:FAT_IOCTL_GET_VOLUME_ID(2const), FAT_IOCTL_SET_ATTRIBUTES(2const), ioctl(2), VFAT_IOCTL_READDIR_BOTH(2const)
HTML rendering created 2025-09-06 byMichael Kerrisk, author ofThe Linux Programming Interface. For details of in-depthLinux/UNIX system programming training courses that I teach, lookhere. Hosting byjambit GmbH. | ![]() |