getfsent,  getfsspec,  getfsfile,  setfsent,  endfsent  -  handle fstab


   #include <fstab.h>

   void endfsent(void);

   struct fstab *getfsent(void);

   struct fstab *getfsfile(const char *mount_point);

   struct fstab *getfsspec(const char *special_file);

   int setfsent(void);


   These functions read from the file /etc/fstab.   The  struct  fstab  is
   defined by:

       struct fstab {
           char       *fs_spec;       /* block device name */
           char       *fs_file;       /* mount point */
           char       *fs_vfstype;    /* file-system type */
           char       *fs_mntops;     /* mount options */
           const char *fs_type;       /* rw/rq/ro/sw/xx option */
           int         fs_freq;       /* dump frequency, in days */
           int         fs_passno;     /* pass number on parallel dump */

   Here  the  field  fs_type  contains  (on a *BSD system) one of the five
   strings "rw", "rq",  "ro",  "sw",  "xx"  (read-write,  read-write  with
   quota, read-only, swap, ignore).

   The  function  setfsent() opens the file when required and positions it
   at the first line.

   The function getfsent() parses the next line  from  the  file.   (After
   opening it when required.)

   The function endfsent() closes the file when required.

   The  function  getfsspec() searches the file from the start and returns
   the  first  entry  found  for  which  the  fs_spec  field  matches  the
   special_file argument.

   The  function  getfsfile() searches the file from the start and returns
   the  first  entry  found  for  which  the  fs_file  field  matches  the
   mount_point argument.


   Upon  success,  the  functions getfsent(), getfsfile(), and getfsspec()
   return a pointer to a struct fstab, while setfsent() returns  1.   Upon
   failure   or   end-of-file,   these   functions   return  NULL  and  0,


   For  an  explanation  of  the  terms  used   in   this   section,   see

   │InterfaceAttributeValue                       │
   │endfsent(),  │ Thread safety │ MT-Unsafe race:fsent        │
   │setfsent()   │               │                             │
   │getfsent(),  │ Thread safety │ MT-Unsafe race:fsent locale │
   │getfsspec(), │               │                             │
   │getfsfile()  │               │                             │


   These  functions  are  not  in POSIX.1.  Several operating systems have
   them, for example, *BSD, SunOS, Digital UNIX, AIX  (which  also  has  a
   getfstype()).   HP-UX has functions of the same names, that however use
   a struct checklist instead of a struct fstab, and calls these functions
   obsolete, superseded by getmntent(3).


   These functions are not thread-safe.

   Since  Linux  allows mounting a block special device in several places,
   and since several devices can have the same mount point, where the last
   device  with  a  given  mount  point  is  the  interesting  one,  while
   getfsfile() and getfsspec() only return the first occurrence, these two
   functions are not suitable for use under Linux.


   getmntent(3), fstab(5)


   This  page  is  part of release 4.09 of the Linux man-pages project.  A
   description of the project, information about reporting bugs,  and  the
   latest     version     of     this    page,    can    be    found    at

More Linux Commands

TIFFReadScanline(3tiff) - read and decode a scanline of data
Read the data for the specified row into the (user supplied) data buffer buf. The data are returned decompressed and, in the native byte- and bit-ordering, but

size(1) - list section sizes and total size. (Man Page).....
The GNU size utility lists the section sizes---and the total size---for each of the object or archive files objfile in its argument list. By default, one line o

sigsuspend(2) - wait for a signal - Linux manual page.......
sigsuspend() temporarily replaces the signal mask of the calling process with the mask given by mask and then suspends the process until delivery of a signal wh

podofoimg2pdf(1) Convert images to PDF files (Man Page).....
podofoimg2pdf is one of the command line tools from the PoDoFo library that provide several useful operations to work with PDF files. This tool will combine any

top_panel(3curses) - panel stack extension for curses.......
Panels are ncurses(3NCURSES) windows with the added feature of depth. Panel functions allow the use of stacked windows and ensure the proper portions of each wi

Symbol(3pm) - manipulate Perl symbols and their names.......
Symbol::gensym creates an anonymous glob and returns a reference to it. Such a glob reference can be used as a file or directory handle. For backward compatibil

Tk_Attributes(3) - retrieve information from Tk's local data
Tk_WindowId and the other names listed above are all macros that return fields from Tks local data structure for tkwin. None of these macros requires any intera

XML::SAX2Perl(3pm) - translate Java/CORBA style SAX methods
XML::SAX2Perl is a SAX filter that translates Java/CORBA style SAX methods to Perl style method calls. This man page summarizes the specific options, handlers,

mkfs.btrfs(8) create a btrfs filesystem - Linux manual page
mkfs.btrfs is used to create a btrfs filesystem (usually in a disk partition, or an array of disk partitions). &lt;device&gt; is the special file corresponding to the

snmpcmd(1) - options and behaviour common to most of the Net
This manual page describes the common options for the SNMP commands: snmpbulkget, snmpbulkwalk, snmpdelta, snmpget, snmpgetnext, snmpnetstat, snmpset, snmpstatu

touch(3ncurses) - curses refresh control routines (ManPage)
The touchwin and touchline routines throw away all optimization information about which parts of the window have been touched, by pretending that the entire win

XauFileName(3) - (unknown subject) - Linux manual page......
XauFileName generates the default authorization file name by first checking the XAUTHORITY environment variable if set, else it returns $HOME/.Xauthority. This

We can't live, work or learn in freedom unless the software we use is free.