43#ifndef _RTEMS_RTEMS_LIBIO_H
44#define _RTEMS_RTEMS_LIBIO_H
48#include <sys/ioccom.h>
405 struct timespec
times[2]
667 struct timespec
times[2]
799 const struct iovec *iov,
842 const struct iovec *iov,
861 ioctl_command_t request,
1084 const struct iovec *iov,
1107 const struct iovec *iov,
1119 ioctl_command_t request,
1314 int posix_chown_restrictions;
1357 uint32_t bytes_moved;
1374 ioctl_command_t command;
1384#define LIBIO_FLAGS_NO_DELAY 0x0001U
1385#define LIBIO_FLAGS_READ 0x0002U
1386#define LIBIO_FLAGS_WRITE 0x0004U
1387#define LIBIO_FLAGS_OPEN 0x0100U
1388#define LIBIO_FLAGS_APPEND 0x0200U
1389#define LIBIO_FLAGS_CLOSE_ON_EXEC 0x0800U
1390#define LIBIO_FLAGS_READ_WRITE (LIBIO_FLAGS_READ | LIBIO_FLAGS_WRITE)
1391#define LIBIO_FLAGS_REFERENCE_INC 0x1000U
1395static inline unsigned int rtems_libio_iop_flags(
const rtems_libio_t *iop )
1397 return _Atomic_Load_uint( &iop->flags, ATOMIC_ORDER_RELAXED );
1405static inline bool rtems_libio_iop_is_no_delay(
const rtems_libio_t *iop )
1407 return ( rtems_libio_iop_flags( iop ) & LIBIO_FLAGS_NO_DELAY ) != 0;
1415static inline bool rtems_libio_iop_is_readable(
const rtems_libio_t *iop )
1417 return ( rtems_libio_iop_flags( iop ) & LIBIO_FLAGS_READ ) != 0;
1425static inline bool rtems_libio_iop_is_writeable(
const rtems_libio_t *iop )
1427 return ( rtems_libio_iop_flags( iop ) & LIBIO_FLAGS_WRITE ) != 0;
1435static inline bool rtems_libio_iop_is_append(
const rtems_libio_t *iop )
1437 return ( rtems_libio_iop_flags( iop ) & LIBIO_FLAGS_APPEND ) != 0;
1445typedef int (*rtems_libio_open_t)(
1446 const char *pathname,
1451typedef int (*rtems_libio_close_t)(
1455typedef ssize_t (*rtems_libio_read_t)(
1461typedef ssize_t (*rtems_libio_write_t)(
1467typedef int (*rtems_libio_ioctl_t)(
1473typedef off_t (*rtems_libio_lseek_t)(
1491#define RTEMS_FS_PERMS_READ 0x4
1492#define RTEMS_FS_PERMS_WRITE 0x2
1493#define RTEMS_FS_PERMS_EXEC 0x1
1494#define RTEMS_FS_PERMS_RWX \
1495 (RTEMS_FS_PERMS_READ | RTEMS_FS_PERMS_WRITE | RTEMS_FS_PERMS_EXEC)
1496#define RTEMS_FS_FOLLOW_HARD_LINK 0x8
1497#define RTEMS_FS_FOLLOW_SYM_LINK 0x10
1498#define RTEMS_FS_FOLLOW_LINK \
1499 (RTEMS_FS_FOLLOW_HARD_LINK | RTEMS_FS_FOLLOW_SYM_LINK)
1500#define RTEMS_FS_MAKE 0x20
1501#define RTEMS_FS_EXCLUSIVE 0x40
1502#define RTEMS_FS_ACCEPT_RESIDUAL_DELIMITERS 0x80
1503#define RTEMS_FS_REJECT_TERMINAL_DOT 0x100
1515static inline dev_t rtems_filesystem_make_dev_t(
1522 temp.__overlay.major = _major;
1523 temp.__overlay.minor = _minor;
1527static inline dev_t rtems_filesystem_make_dev_t_from_pointer(
1531 uint64_t temp = (((uint64_t) 1) << 63) | (((uintptr_t) pointer) >> 1);
1533 return rtems_filesystem_make_dev_t((uint32_t) (temp >> 32), (uint32_t) temp);
1542 temp.device = device;
1543 return temp.__overlay.major;
1553 temp.device = device;
1554 return temp.__overlay.minor;
1557#define rtems_filesystem_split_dev_t( _dev, _major, _minor ) \
1559 (_major) = rtems_filesystem_dev_major_t ( _dev ); \
1560 (_minor) = rtems_filesystem_dev_minor_t( _dev ); \
1577void rtems_libio_post_driver(
void);
1579void rtems_libio_exit(
void);
1590extern int rtems_mkdir(
const char *path, mode_t mode);
1608#define RTEMS_FILESYSTEM_TYPE_IMFS "imfs"
1609#define RTEMS_FILESYSTEM_TYPE_FTPFS "ftpfs"
1610#define RTEMS_FILESYSTEM_TYPE_TFTPFS "tftpfs"
1611#define RTEMS_FILESYSTEM_TYPE_NFS "nfs"
1612#define RTEMS_FILESYSTEM_TYPE_DOSFS "dosfs"
1613#define RTEMS_FILESYSTEM_TYPE_RFS "rfs"
1614#define RTEMS_FILESYSTEM_TYPE_JFFS2 "jffs2"
1625 const void *immutable_fs_info;
1631 bool no_regular_file_mknod;
1666 RTEMS_FILESYSTEM_READ_ONLY,
1667 RTEMS_FILESYSTEM_READ_WRITE,
1668 RTEMS_FILESYSTEM_BAD_OPTIONS
1734 const char *mount_path
1787 const char *filesystemtype,
1806 const char *filesystemtype,
1876 const char *filesystemtype;
1882 rtems_filesystem_root_configuration;
1898 int (*firstOpen)(
int major,
int minor,
void *arg);
1899 int (*lastClose)(
int major,
int minor,
void *arg);
1900 int (*pollRead)(
int minor);
1901 ssize_t (*write)(
int minor,
const char *buf,
size_t len);
1902 int (*setAttributes)(
int minor,
const struct termios *t);
1903 int (*stopRemoteTx)(
int minor);
1904 int (*startRemoteTx)(
int minor);
1905 int outputUsesInterrupts;
1908static inline void rtems_termios_initialize(
void )
2035int rtems_termios_enqueue_raw_characters(
2064int rtems_termios_dequeue_characters(
2074#define rtems_filesystem_pathconf(_mte) ((_mte)->pathconf_limits_and_options)
2079#define rtems_filesystem_type(_mte) ((_mte)->type)
2084#define rtems_filesystem_mount_point(_mte) ((_mte)->target)
2089#define rtems_filesystem_mount_device(_mte) ((_mte)->dev)
clock_t times(struct tms *ptms)
Definition: __times.c:97
This header file provides the Chains API.
bool rtems_filesystem_mount_iterate(rtems_filesystem_mt_entry_visitor visitor, void *visitor_arg)
Iterates over all file system mount entries.
Definition: sup_fs_mount_iterate.c:42
int mount_and_make_target_path(const char *source, const char *target, const char *filesystemtype, rtems_filesystem_options_t options, const void *data)
Mounts a file system and makes the target path.
Definition: mount-mktgt.c:44
bool rtems_filesystem_iterate(rtems_per_filesystem_routine routine, void *routine_arg)
Iterates over all file system types.
Definition: mount-mgr.c:58
struct rtems_filesystem_table_t rtems_filesystem_table_t
File system table entry.
int unmount(const char *mount_path)
Unmounts the file system instance at the specified mount path.
Definition: unmount.c:62
int rtems_filesystem_unregister(const char *type)
Unregisters a file system type.
Definition: mount-mgr.c:160
const rtems_filesystem_table_t rtems_filesystem_table[]
Static table of file systems.
bool(* rtems_filesystem_mt_entry_visitor)(const rtems_filesystem_mount_table_entry_t *mt_entry, void *arg)
Mount table entry visitor.
Definition: libio.h:1850
bool(* rtems_per_filesystem_routine)(const rtems_filesystem_table_t *fs_entry, void *arg)
Per file system type routine.
Definition: libio.h:1819
int rtems_filesystem_register(const char *type, rtems_filesystem_fsmount_me_t mount_h)
Registers a file system type.
Definition: mount-mgr.c:126
rtems_filesystem_options_t
File system options.
Definition: libio.h:1665
int mount(const char *source, const char *target, const char *filesystemtype, rtems_filesystem_options_t options, const void *data)
Mounts a file system instance at the specified target path.
Definition: mount.c:197
int(* rtems_filesystem_ioctl_t)(rtems_libio_t *iop, ioctl_command_t request, void *buffer)
IO control of a node.
Definition: libio.h:859
int rtems_filesystem_default_fcntl(rtems_libio_t *iop, int cmd)
Definition: default_fcntl.c:41
int(* rtems_filesystem_poll_t)(rtems_libio_t *iop, int events)
Poll and select support.
Definition: libio.h:974
int rtems_filesystem_default_ftruncate(rtems_libio_t *iop, off_t length)
Definition: default_ftruncate.c:44
int rtems_filesystem_default_ftruncate_directory(rtems_libio_t *iop, off_t length)
Definition: default_ftruncate_directory.c:43
off_t rtems_filesystem_default_lseek_directory(rtems_libio_t *iop, off_t offset, int whence)
An offset 0 with a whence of SEEK_SET will perform a directory rewind operation.
Definition: default_lseek_directory.c:42
ssize_t(* rtems_filesystem_read_t)(rtems_libio_t *iop, void *buffer, size_t count)
Reads from a node.
Definition: libio.h:775
int(* rtems_filesystem_fcntl_t)(rtems_libio_t *iop, int cmd)
File control.
Definition: libio.h:959
int rtems_filesystem_default_ioctl(rtems_libio_t *iop, ioctl_command_t request, void *buffer)
Definition: default_ioctl.c:43
int rtems_filesystem_default_poll(rtems_libio_t *iop, int events)
Default poll handler.
Definition: default_poll.c:44
int rtems_filesystem_default_fsync_or_fdatasync(rtems_libio_t *iop)
Definition: default_fsync.c:43
const rtems_filesystem_file_handlers_r rtems_filesystem_handlers_default
File system node handler table with default node handlers.
Definition: default_handlers.c:38
off_t rtems_filesystem_default_lseek_file(rtems_libio_t *iop, off_t offset, int whence)
Default lseek() handler for files.
Definition: default_lseek_file.c:42
int(* rtems_filesystem_kqfilter_t)(rtems_libio_t *iop, struct knote *kn)
Kernel event filter support.
Definition: libio.h:990
int rtems_filesystem_default_fstat(const rtems_filesystem_location_info_t *loc, struct stat *buf)
Sets the mode to S_IRWXU | S_IRWXG | S_IRWXO.
Definition: default_fstat.c:43
int rtems_filesystem_default_fsync_or_fdatasync_success(rtems_libio_t *iop)
Definition: default_fsync_success.c:42
int rtems_filesystem_default_kqfilter(rtems_libio_t *iop, struct knote *kn)
Default kernel event filter handler.
Definition: default_kqfilter.c:42
ssize_t rtems_filesystem_default_writev(rtems_libio_t *iop, const struct iovec *iov, int iovcnt, ssize_t total)
Calls the write handler for each IO vector entry.
Definition: default_writev.c:45
int(* rtems_filesystem_close_t)(rtems_libio_t *iop)
Closes a node.
Definition: libio.h:757
ssize_t rtems_filesystem_default_readv(rtems_libio_t *iop, const struct iovec *iov, int iovcnt, ssize_t total)
Calls the read handler for each IO vector entry.
Definition: default_readv.c:45
off_t(* rtems_filesystem_lseek_t)(rtems_libio_t *iop, off_t offset, int whence)
Moves the read/write file offset.
Definition: libio.h:879
off_t rtems_filesystem_default_lseek(rtems_libio_t *iop, off_t offset, int whence)
Definition: default_lseek.c:43
ssize_t(* rtems_filesystem_writev_t)(rtems_libio_t *iop, const struct iovec *iov, int iovcnt, ssize_t total)
Writes an IO vector to a node.
Definition: libio.h:840
int(* rtems_filesystem_fstat_t)(const rtems_filesystem_location_info_t *loc, struct stat *buf)
Gets a node status.
Definition: libio.h:896
int rtems_filesystem_default_mmap(rtems_libio_t *iop, void **addr, size_t len, int prot, off_t off)
Default MMAP handler.
Definition: default_mmap.c:42
ssize_t(* rtems_filesystem_write_t)(rtems_libio_t *iop, const void *buffer, size_t count)
Writes to a node.
Definition: libio.h:818
int rtems_filesystem_default_close(rtems_libio_t *iop)
Definition: default_close.c:37
int(* rtems_filesystem_fsync_t)(rtems_libio_t *iop)
Synchronizes changes to a file.
Definition: libio.h:929
ssize_t rtems_filesystem_default_read(rtems_libio_t *iop, void *buffer, size_t count)
Definition: default_read.c:39
int(* rtems_filesystem_fdatasync_t)(rtems_libio_t *iop)
Synchronizes the data of a file.
Definition: libio.h:944
int rtems_filesystem_default_open(rtems_libio_t *iop, const char *path, int oflag, mode_t mode)
Definition: default_open.c:43
int(* rtems_filesystem_mmap_t)(rtems_libio_t *iop, void **addr, size_t len, int prot, off_t off)
MMAP support.
Definition: libio.h:1009
ssize_t(* rtems_filesystem_readv_t)(rtems_libio_t *iop, const struct iovec *iov, int iovcnt, ssize_t total)
Reads an IO vector from a node.
Definition: libio.h:797
ssize_t rtems_filesystem_default_write(rtems_libio_t *iop, const void *buffer, size_t count)
Definition: default_write.c:41
int(* rtems_filesystem_ftruncate_t)(rtems_libio_t *iop, off_t length)
Truncates a file to a specified length.
Definition: libio.h:913
int(* rtems_filesystem_open_t)(rtems_libio_t *iop, const char *path, int oflag, mode_t mode)
Opens a node.
Definition: libio.h:740
int(* rtems_filesystem_statvfs_t)(const rtems_filesystem_location_info_t *loc, struct statvfs *buf)
Gets file system information.
Definition: libio.h:480
int rtems_filesystem_default_unmount(rtems_filesystem_mount_table_entry_t *mt_entry)
Definition: default_unmount.c:41
int(* rtems_filesystem_link_t)(const rtems_filesystem_location_info_t *parentloc, const rtems_filesystem_location_info_t *targetloc, const char *name, size_t namelen)
Creates a new link for the existing file.
Definition: libio.h:192
int(* rtems_filesystem_mount_t)(rtems_filesystem_mount_table_entry_t *mt_entry)
Mounts a file system instance in a mount point (directory).
Definition: libio.h:279
int(* rtems_filesystem_fchmod_t)(const rtems_filesystem_location_info_t *loc, mode_t mode)
Changes the mode of a node.
Definition: libio.h:210
void rtems_filesystem_default_lock(const rtems_filesystem_mount_table_entry_t *mt_entry)
Obtains the IO library mutex.
Definition: default_lock_and_unlock.c:42
int rtems_filesystem_default_rename(const rtems_filesystem_location_info_t *oldparentloc, const rtems_filesystem_location_info_t *oldloc, const rtems_filesystem_location_info_t *newparentloc, const char *name, size_t namelen)
Definition: default_rename.c:44
void(* rtems_filesystem_fsunmount_me_t)(rtems_filesystem_mount_table_entry_t *mt_entry)
Destroys a file system instance.
Definition: libio.h:329
int rtems_filesystem_default_mknod(const rtems_filesystem_location_info_t *parentloc, const char *name, size_t namelen, mode_t mode, dev_t dev)
Definition: default_mknod.c:44
int rtems_filesystem_default_fchmod(const rtems_filesystem_location_info_t *loc, mode_t mode)
Definition: default_fchmod.c:42
void(* rtems_filesystem_eval_path_t)(rtems_filesystem_eval_path_context_t *ctx)
Path evaluation.
Definition: libio.h:175
int(* rtems_filesystem_unmount_t)(rtems_filesystem_mount_table_entry_t *mt_entry)
Unmounts a file system instance in a mount point (directory).
Definition: libio.h:314
int rtems_filesystem_default_clonenode(rtems_filesystem_location_info_t *loc)
Definition: default_clone.c:42
void rtems_filesystem_default_unlock(const rtems_filesystem_mount_table_entry_t *mt_entry)
Releases the IO library mutex.
Definition: default_lock_and_unlock.c:49
bool rtems_filesystem_default_are_nodes_equal(const rtems_filesystem_location_info_t *a, const rtems_filesystem_location_info_t *b)
Tests if the node access pointer of one location is equal to the node access pointer of the other loc...
Definition: default_are_nodes_equal.c:42
int(* rtems_filesystem_rmnod_t)(const rtems_filesystem_location_info_t *parentloc, const rtems_filesystem_location_info_t *loc)
Removes a node.
Definition: libio.h:387
int rtems_filesystem_default_rmnod(const rtems_filesystem_location_info_t *parentloc, const rtems_filesystem_location_info_t *loc)
Definition: default_rmnod.c:44
int(* rtems_filesystem_rename_t)(const rtems_filesystem_location_info_t *oldparentloc, const rtems_filesystem_location_info_t *oldloc, const rtems_filesystem_location_info_t *newparentloc, const char *name, size_t namelen)
Renames a node.
Definition: libio.h:461
int rtems_filesystem_default_mount(rtems_filesystem_mount_table_entry_t *mt_entry)
Definition: default_mount.c:41
int(* rtems_filesystem_clonenode_t)(rtems_filesystem_location_info_t *loc)
Clones a location.
Definition: libio.h:248
void rtems_filesystem_default_freenode(const rtems_filesystem_location_info_t *loc)
Definition: default_freenode.c:43
ssize_t(* rtems_filesystem_readlink_t)(const rtems_filesystem_location_info_t *loc, char *buf, size_t bufsize)
Reads the contents of a symbolic link.
Definition: libio.h:441
void rtems_filesystem_default_fsunmount(rtems_filesystem_mount_table_entry_t *mt_entry)
Definition: default_fsunmount.c:39
int(* rtems_filesystem_mknod_t)(const rtems_filesystem_location_info_t *parentloc, const char *name, size_t namelen, mode_t mode, dev_t dev)
Creates a new node.
Definition: libio.h:368
bool(* rtems_filesystem_are_nodes_equal_t)(const rtems_filesystem_location_info_t *a, const rtems_filesystem_location_info_t *b)
Tests if the node of one location is equal to the node of the other location.
Definition: libio.h:347
void(* rtems_filesystem_mt_entry_unlock_t)(const rtems_filesystem_mount_table_entry_t *mt_entry)
Unlocks a file system instance.
Definition: libio.h:95
void rtems_filesystem_default_eval_path(rtems_filesystem_eval_path_context_t *ctx)
Terminates the path evaluation and replaces the current location with the null location.
Definition: default_eval_path.c:42
int rtems_filesystem_default_symlink(const rtems_filesystem_location_info_t *parentloc, const char *name, size_t namelen, const char *target)
Definition: default_symlink.c:44
int rtems_filesystem_default_statvfs(const rtems_filesystem_location_info_t *loc, struct statvfs *buf)
Definition: default_statvfs.c:42
int(* rtems_filesystem_utimens_t)(const rtems_filesystem_location_info_t *loc, struct timespec times[2])
Set node access and modification times.
Definition: libio.h:403
int(* rtems_filesystem_fsmount_me_t)(rtems_filesystem_mount_table_entry_t *mt_entry, const void *data)
Initializes a file system instance.
Definition: libio.h:295
int(* rtems_filesystem_chown_t)(const rtems_filesystem_location_info_t *loc, uid_t owner, gid_t group)
Changes owner and group of a node.
Definition: libio.h:227
const rtems_filesystem_operations_table rtems_filesystem_operations_default
File system operations table with default operations.
Definition: default_ops.c:38
void(* rtems_filesystem_freenode_t)(const rtems_filesystem_location_info_t *loc)
Frees the location of a node.
Definition: libio.h:259
void(* rtems_filesystem_mt_entry_lock_t)(const rtems_filesystem_mount_table_entry_t *mt_entry)
Locks a file system instance.
Definition: libio.h:84
int rtems_filesystem_default_chown(const rtems_filesystem_location_info_t *loc, uid_t owner, gid_t group)
Definition: default_chown.c:42
ssize_t rtems_filesystem_default_readlink(const rtems_filesystem_location_info_t *loc, char *buf, size_t bufsize)
Definition: default_readlink.c:44
int(* rtems_filesystem_symlink_t)(const rtems_filesystem_location_info_t *parentloc, const char *name, size_t namelen, const char *target)
Makes a symbolic link to a node.
Definition: libio.h:422
int rtems_filesystem_default_link(const rtems_filesystem_location_info_t *parentloc, const rtems_filesystem_location_info_t *targetloc, const char *name, size_t namelen)
Definition: default_link.c:42
int rtems_filesystem_default_utimens(const rtems_filesystem_location_info_t *loc, struct timespec times[2])
Definition: default_utimens.c:43
struct rtems_libio_open_close_args rtems_libio_open_close_args_t
Parameter block for open/close.
rtems_filesystem_fsmount_me_t rtems_filesystem_get_mount_handler(const char *type)
Gets the mount handler for the file system type.
Definition: mount-mgr.c:109
int rtems_mkdir(const char *path, mode_t mode)
Creates a directory and all its parent directories according to path.
Definition: rtems_mkdir.c:130
void rtems_filesystem_initialize(void)
Base File System Initialization.
Definition: base_fs.c:51
const rtems_filesystem_limits_and_options_t rtems_filesystem_default_pathconf
Default pathconf settings.
Definition: mount.c:49
uint32_t rtems_device_major_number
This integer type represents the major number of devices.
Definition: io.h:103
uint32_t rtems_device_minor_number
This integer type represents the minor number of devices.
Definition: io.h:115
rtems_status_code
This enumeration provides status codes for directives of the Classic API.
Definition: status.h:85
Objects_Id rtems_id
This type represents RTEMS object identifiers.
Definition: types.h:94
rtems_termios_iproc_status_code rtems_termios_default_isig_handler(unsigned char c, struct rtems_termios_tty *tty)
Default handler for ISIG (VINTR/VKILL)
Definition: termios.c:1312
rtems_termios_iproc_status_code(* rtems_termios_isig_handler)(unsigned char c, struct rtems_termios_tty *tty)
Type for ISIG (VINTR/VKILL) handler.
Definition: libio.h:1973
rtems_termios_iproc_status_code
The status code returned by all Termios input processing (iproc) functions and input signal (isig) ha...
Definition: libio.h:1928
rtems_status_code rtems_termios_register_isig_handler(rtems_termios_isig_handler handler)
Register handler for ISIG (VINTR/VKILL)
Definition: termios.c:1324
rtems_termios_iproc_status_code rtems_termios_posix_isig_handler(unsigned char c, struct rtems_termios_tty *tty)
POSIX handler for ISIG (VINTR/VKILL)
Definition: termios_posix_isig_handler.c:23
@ RTEMS_TERMIOS_IPROC_DONE
This status indicates that the input processing is done.
Definition: libio.h:1954
@ RTEMS_TERMIOS_IPROC_CONTINUE
This status indicates that the input processing can continue.
Definition: libio.h:1935
@ RTEMS_TERMIOS_IPROC_INTERRUPT
This status indicates that the input processing should stop due to a signal.
Definition: libio.h:1947
rtems_termios_device_handler handler
The device handler.
Definition: termiostypes.h:166
This header file provides the interfaces of the Atomic Operations.
This header file defines the RTEMS Classic API.
This header file provides the statvfs() and fstatvfs() interfaces.
This structure represents a chain node.
Definition: chain.h:78
Definition: xnandpsu_onfi.h:181
File system node operations table.
Definition: libio.h:1020
File system operations table.
Definition: libio.h:488
Definition: iterateoverthreads.c:44
Path evaluation context.
Definition: libio.h:102
int recursionlevel
Definition: libio.h:144
rtems_filesystem_location_info_t currentloc
Definition: libio.h:153
const char * path
Definition: libio.h:106
size_t pathlen
Definition: libio.h:111
rtems_filesystem_global_location_t * rootloc
Definition: libio.h:159
size_t tokenlen
Definition: libio.h:123
const char * token
Definition: libio.h:117
int flags
Definition: libio.h:137
rtems_filesystem_global_location_t * startloc
Definition: libio.h:165
Global file system location.
Definition: fs.h:100
Contain file system specific information which is required to support fpathconf().
Definition: libio.h:1306
File system location.
Definition: fs.h:72
Mount table entry.
Definition: libio.h:1621
rtems_id unmount_task
Definition: libio.h:1659
File system table entry.
Definition: libio.h:1674
Parameter block for ioctl.
Definition: libio.h:1372
Parameter block for open/close.
Definition: libio.h:1363
Paramameter block for read/write.
Definition: libio.h:1351
An open file data structure.
Definition: libio.h:1337
Definition: termiostypes.h:94
This union represents a chain control block.
Definition: chain.h:96