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30 .\" @(#)statfs.2 8.5 (Berkeley) 5/24/95
38 .Nd get file system statistics
44 .Fn statvfs "const char *path" "struct statvfs *buf"
46 .Fn fstatvfs "int fd" "struct statvfs *buf"
49 returns information about a mounted file system.
51 is the path name of any file within the mounted file system.
59 returns the same information about an open file referenced by descriptor
63 Upon successful completion, a value of 0 is returned.
64 Otherwise, \-1 is returned and the global variable
66 is set to indicate the error.
69 fails if one or more of the following are true:
72 A component of the path prefix of
75 .It Bq Er ENAMETOOLONG
76 The length of a component of
80 characters, or the length of
86 The file referred to by
90 Search permission is denied for a component of the path prefix of
93 Too many symbolic links were encountered in translating
99 points to an invalid address.
103 error occurred while reading from or writing to the file system.
107 fails if one or more of the following are true:
111 is not a valid open file descriptor.
114 points to an invalid address.
118 error occurred while reading from or writing to the file system.
127 functions first appeared in
132 family of functions which first appeared in