fhstatfs man page on MirBSD

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FHOPEN(2)		   BSD Programmer's Manual		     FHOPEN(2)

NAME
     fhopen, fhstat, fhstatfs - access file via file handle

SYNOPSIS
     #include <sys/types.h>
     #include <sys/stat.h>

     int
     fhopen(const fhandle_t *fhp, int flags);

     int
     fhstat(const fhandle_t *fhp, struct stat *sb);

     int
     fhstatfs(const fhandle_t *fhp, struct statfs *buf);

DESCRIPTION
     These functions provide a means to access a file given the file handle
     fhp. As this method bypasses directory access restrictions, these calls
     are restricted to the superuser.

     fhopen() opens the file referenced by fhp for reading and/or writing as
     specified by the argument flags and returns the file descriptor to the
     calling process. The flags are specified by or'ing together the flags
     used for the open(2) call. All said flags are valid except for O_CREAT.

     fhstat() and fhstatfs() provide the functionality of the fstat(2) and
     fstatfs(2) calls except that they return information for the file re-
     ferred to by fhp rather than an open file.

RETURN VALUES
     Upon successful completion, fhopen() returns the file descriptor for the
     opened file, while fhstat() and fhstatfs() return 0. Otherwise, -1 is re-
     turned and errno is set to indicate the error.

ERRORS
     In addition to the errors returned by open(2), fstat(2), and fstatfs(2)
     respectively, fhopen(), fhstat(), and fhstatfs() will return

     [EINVAL]	   Calling fhopen() with O_CREAT set.

     [ESTALE]	   The file handle fhp is no longer valid.

SEE ALSO
     fstat(2), fstatfs(2), getfh(2), open(2)

HISTORY
     The fhopen(), fhstat(), and fhstatfs() functions first appeared in
     NetBSD 1.5.

MirOS BSD #10-current		June 29, 1999				     1
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