statfs(2) — UTek 3.0



STATFS(2)               COMMAND REFERENCE               STATFS(2)



NAME
     statfs, fstatfs - get file system statistics

SYNOPSIS
     #include <sys/vfs.h>

     statfs(path, buf)
     char *path;
     struct statfs *buf;

     fstatfs(fd, buf)
     int fd;
     struct statfs *buf;

DESCRIPTION
     The command statfs returns information about a mounted file
     system; path is the path name of any file within the mounted
     file system; buf is a pointer to a statfs structure defined
     as follows:



          typedef struct {
                 long    val[2];
          } fsid_t;
          struct statfs {
                 long    f_type;     /* type of info, zero for now */
                 long    f_bsize;    /* fundamental file system block size */
                 long    f_blocks;   /* total blocks in file system */
                 long    f_bfree;    /* free blocks */
                 long    f_bavail;   /* free blocks available to non-superuser */
                 long    f_files;    /* total file nodes in file system */
                 long    f_ffree;    /* free file nodes in fs */
                 fsid_t  f_fsid;     /* file system id */
                 long    f_spare[7]; /* spare for later */
          };


     Fields that are undefined for a particular file system are
     set to -1; fstatfs returns the same information about an
     open file referenced by descriptor fd.

RETURN VALUE
     Upon successful completion, a value of 0 is returned.
     Otherwise, -1 is returned and the global variable errno is
     set to indicate the error.

     The command statfs fails if one or more of the following are
     true:

     ENOTDIR        A component of the path prefix of path is not
                    a directory.



Printed 5/12/88                                                 1



STATFS(2)               COMMAND REFERENCE               STATFS(2)



     EINVAL         The file path contains a character with the
                    high-order bit set.

     ENAMETOOLONG   The length of a component of path exceeds 255
                    characters, or the length of path exceeds
                    1023 characters.

     ENOENT         The file referred to by path does not exist.

     EACCES         Search permission is denied for a component
                    of the path prefix of path.

     ELOOP          Too many symbolic links were encountered in
                    translating path.

     EFAULT         Files buf or path point to an invalid
                    address.

     EIO            An I/O error occurred while reading from or
                    writing to the file system.

     Function fstatfs fails if one or both of the following are
     true:

     EBADF          fd is not a valid open file descriptor.

     EFAULT         buf points to an invalid address.

     EIO            An I/O error occurred while reading from or
                    writing to the file system.

























Printed 5/12/88                                                 2

%%index%%
na:288,96;
sy:384,1243;
de:1627,1451;
rv:3078,534;3972,1222;
%%index%%000000000094

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