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37 .Nd get file system descriptor file entry
45 .Fn getfsspec "const char *spec"
47 .Fn getfsfile "const char *file"
53 .Fn setfstab "const char *file"
63 each return a pointer to an object with the following structure
64 containing the broken-out fields of a line in the file system
67 .Bd -literal -offset indent
69 char *fs_spec; /* block special device name */
70 char *fs_file; /* file system path prefix */
71 char *fs_vfstype; /* File system type, ufs, nfs */
72 char *fs_mntops; /* Mount options ala -o */
73 char *fs_type; /* FSTAB_* from fs_mntops */
74 int fs_freq; /* dump frequency, in days */
75 int fs_passno; /* pass number on parallel fsck */
79 The fields have meanings described in
85 opens the file (closing any previously opened file) or rewinds it
86 if it is already open.
95 function sets the file to be used by subsequent operations.
98 does not persist across calls to
103 function returns the name of the file that will be used.
110 search the entire file (opening it if necessary) for a matching special
111 file name or file system file name.
113 For programs wishing to read the entire database,
115 reads the next entry (opening the file if necessary).
117 All entries in the file with a type field equivalent to
135 returns 0 on failure, 1 on success.
141 .Bl -tag -width ".Ev PATH_FSTAB"
143 If the environment variable
145 is set, all operations are performed against the specified file.
147 will not be honored if the process environment or memory address space is
152 for more information.)
155 .Bl -tag -width /etc/fstab -compact
171 functions appeared in
177 functions appeared in
180 These functions use static data storage;
181 if the data is needed for future use, it should be
182 copied before any subsequent calls overwrite it.