ioctl_fat(2) System Calls Manual ioctl_fat(2) NAME ioctl_fat - manipulating the FAT filesystem LIBRARY Standard C library (libc, -lc) SYNOPSIS #include 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) Linux man-pages 6.9.1 2024-06-14 ioctl_fat(2)