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1.1       misho       1: .\" Copyright (c) 2001-2002 Packet Design, LLC.
                      2: .\" All rights reserved.
                      3: .\" 
                      4: .\" Subject to the following obligations and disclaimer of warranty,
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                      6: .\" forms, with or without modifications are expressly permitted by
                      7: .\" Packet Design; provided, however, that:
                      8: .\" 
                      9: .\"    (i)  Any and all reproductions of the source or object code
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                     17: .\" THIS SOFTWARE IS BEING PROVIDED BY PACKET DESIGN "AS IS", AND
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                     35: .\"
                     36: .\" Author: Archie Cobbs <archie@freebsd.org>
                     37: .\"
                     38: .\" $Id: count_fopen.3,v 1.6 2004/06/02 17:24:37 archie Exp $
                     39: .\"
                     40: .Dd April 22, 2002
                     41: .Dt COUNT_FOPEN 3
                     42: .Os
                     43: .Sh NAME
                     44: .Nm count_fopen
                     45: .Nd read a fixed number of bytes from a stream
                     46: .Sh LIBRARY
                     47: PDEL Library (libpdel, \-lpdel)
                     48: .Sh SYNOPSIS
                     49: .In sys/types.h
                     50: .In stdio.h
                     51: .In pdel/io/count_fp.h
                     52: .Ft "FILE *"
                     53: .Fn count_fopen "FILE *fp" "off_t count" "int closeit"
                     54: .Sh DESCRIPTION
                     55: .Fn count_fopen
                     56: creates a new read-only stream that reads up to, but no more than,
                     57: .Fa count
                     58: bytes from the underlying stream
                     59: .Fa fp .
                     60: After
                     61: .Fa count
                     62: bytes have been read, further attempts to read from the returned stream
                     63: will return
                     64: .Dv EOF.
                     65: .Pp
                     66: .Xr fclose 3
                     67: should be used to close the returned stream.
                     68: The
                     69: .Fa closeit
                     70: parameter determines whether the underlying stream
                     71: .Fa fp
                     72: is closed when the returned stream is closed.
                     73: .Sh RETURN VALUES
                     74: .Fn boundary_fopen
                     75: returns
                     76: .Dv NULL
                     77: to indicate an error, with
                     78: .Va errno
                     79: set appropriately.
                     80: .Sh SEE ALSO
                     81: .Xr boundary_fopen 3 ,
                     82: .Xr string_fp 3 ,
                     83: .Xr libpdel 3
                     84: .Rs
                     85: .%A N. Freed
                     86: .%A N. Borenstein
                     87: .%T "Multipurpose Internet Mail Extensions (MIME) Part Two: Media Types"
                     88: .%O RFC 2046
                     89: .Re
                     90: .Sh HISTORY
                     91: The PDEL library was developed at Packet Design, LLC.
                     92: .Dv "http://www.packetdesign.com/"
                     93: .Sh AUTHORS
                     94: .An Archie Cobbs Aq archie@freebsd.org