fstat

OS/161 Reference Manual

Name

fstat - get file state information

Library

Standard C Library (libc, -lc)

Synopsis

#include <sys/stat.h>

int
fstat(int fd, struct stat *statbuf);

Description

fstat retrieves status information about the file referred to by the file handle fd and stores it in the stat structure pointed to by statbuf.

The call (like all system calls) should be atomic; that is, the information retrieved should come from a single point in time.

Return Values

On success, fstat returns 0. On error, -1 is returned, and errno is set according to the error encountered.

Errors

The following error codes should be returned under the conditions given. Other error codes may be returned for other cases not mentioned here.
  EBADF fd is not a valid file handle.
EIO A hard I/O error occurred.
EFAULT statbuf points to an invalid address.

See Also

lstat, stat