getfsent(3x)getfsent(3x)Name
getfsent, getfsspec, getfsfile, getfstype, setfsent, endfsent - get
file system descriptor file entry
Syntax
#include <fstab.h>
#include /usr/include/sys/fs_types.h
struct fstab *getfsent()
struct fstab *getfsspec(spec)
char *spec;
struct fstab *getfsfile(file)
char *file;
struct fstab *getfstype(type)
char *type;
int setfsent()
int endfsent()Description
All routines operate on the file which contains descriptions of the
known file systems. The routine opens this file. The routine reads
the next file system description within opening the file if necessary.
The routine closes the file.
The and routines sequentially scan the file for specific file system
descriptions. The routine searches for a description with a matching
special file name field. The routine searches for a description with a
matching file system path prefix field. The routine searches for a
description with a matching file system type field.
The and each return a pointer to a representation of the description
they have matched or read. Representations are in the format of the
following structure:
#define FSTAB_RW "rw" /* read-write device */
#define FSTAB_RO "ro" /* read-only device */
#define FSTAB_RQ "rq" /* read-write with quotas */
#define FSTAB_SW "sw" /* swap device */
#define FSTAB_XX "xx" /* ignore totally */
struct fstab {
char *fs_spec; /* block special device name */
char *fs_file; /* file system path prefix */
char *fs_type; /* rw,ro,sw or xx */
int fs_freq; /* dump frequency, in days */
int fs_passno; /* pass number on parallel dump */
char *fs_name; /* name of the file system type */
char *fs_opts /* arbitrary options field */
};
Return Values
A NULL or 0 is returned, but errno is not set on detection of errors.
Restrictions
All descriptions are contained in static areas, which should be copied.
Files
/etc/fstab File system information file.
See Alsofstab(5)getfsent(3x)