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/* Utilities for reading/writing fstab, mtab, etc. Copyright (C) 1995-2018 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 <http://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 */