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- /* Utilities for reading/writing fstab, mtab, etc.
- Copyright (C) 1995-2020 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <https://www.gnu.org/licenses/>. */
- #ifndef _MNTENT_H
- #define _MNTENT_H 1
- #include <features.h>
- #include <paths.h>
- #include <bits/types/FILE.h>
- /* File listing canonical interesting mount points. */
- #define MNTTAB _PATH_MNTTAB /* Deprecated alias. */
- /* File listing currently active mount points. */
- #define MOUNTED _PATH_MOUNTED /* Deprecated alias. */
- /* General filesystem types. */
- #define MNTTYPE_IGNORE "ignore" /* Ignore this entry. */
- #define MNTTYPE_NFS "nfs" /* Network file system. */
- #define MNTTYPE_SWAP "swap" /* Swap device. */
- /* Generic mount options. */
- #define MNTOPT_DEFAULTS "defaults" /* Use all default options. */
- #define MNTOPT_RO "ro" /* Read only. */
- #define MNTOPT_RW "rw" /* Read/write. */
- #define MNTOPT_SUID "suid" /* Set uid allowed. */
- #define MNTOPT_NOSUID "nosuid" /* No set uid allowed. */
- #define MNTOPT_NOAUTO "noauto" /* Do not auto mount. */
- __BEGIN_DECLS
- /* Structure describing a mount table entry. */
- struct mntent
- {
- char *mnt_fsname; /* Device or server for filesystem. */
- char *mnt_dir; /* Directory mounted on. */
- char *mnt_type; /* Type of filesystem: ufs, nfs, etc. */
- char *mnt_opts; /* Comma-separated options for fs. */
- int mnt_freq; /* Dump frequency (in days). */
- int mnt_passno; /* Pass number for `fsck'. */
- };
- /* Prepare to begin reading and/or writing mount table entries from the
- beginning of FILE. MODE is as for `fopen'. */
- extern FILE *setmntent (const char *__file, const char *__mode) __THROW;
- /* Read one mount table entry from STREAM. Returns a pointer to storage
- reused on the next call, or null for EOF or error (use feof/ferror to
- check). */
- extern struct mntent *getmntent (FILE *__stream) __THROW;
- #ifdef __USE_MISC
- /* Reentrant version of the above function. */
- extern struct mntent *getmntent_r (FILE *__restrict __stream,
- struct mntent *__restrict __result,
- char *__restrict __buffer,
- int __bufsize) __THROW;
- #endif
- /* Write the mount table entry described by MNT to STREAM.
- Return zero on success, nonzero on failure. */
- extern int addmntent (FILE *__restrict __stream,
- const struct mntent *__restrict __mnt) __THROW;
- /* Close a stream opened with `setmntent'. */
- extern int endmntent (FILE *__stream) __THROW;
- /* Search MNT->mnt_opts for an option matching OPT.
- Returns the address of the substring, or null if none found. */
- extern char *hasmntopt (const struct mntent *__mnt,
- const char *__opt) __THROW;
- __END_DECLS
- #endif /* mntent.h */
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