PC Extra Super CD 1998 January/PCPLUS131.iso/DJGPP/V2/DJLSR201.ZIP/src/libc/posix/sys/stat/filelen.txh

Text File | 1995-07-10 | 664 b | 28 lines

@node filelength, io
@subheading Syntax

@example
#include <io.h>

long filelength(int fhandle);
@end example

@subheading Description

This function returns the size, in bytes, of a file whose handle is
specified in the argument @var{fhandle}.  To get the handle of a file
opened by @ref{fopen} or @ref{freopen}, you can use @ref{fileno} macro.

@subheading Return Value

The size of the file in bytes, or (if any error occured) -1L and
@var{errno} set to a value describing the cause of the failure.

@subheading Example

@example
  printf("Size of file to which STDIN is redirected is %ld\n",
          filelength(0));
@end example