56 lines
1.4 KiB
Groff
56 lines
1.4 KiB
Groff
|
. \" Manual Seite fuer fileopen
|
||
|
|
. \" @(#)fileopen.3 1.1
|
||
|
|
. \"
|
||
|
|
.if t .ds a \v'-0.55m'\h'0.00n'\z.\h'0.40n'\z.\v'0.55m'\h'-0.40n'a
|
||
|
|
.if t .ds o \v'-0.55m'\h'0.00n'\z.\h'0.45n'\z.\v'0.55m'\h'-0.45n'o
|
||
|
|
.if t .ds u \v'-0.55m'\h'0.00n'\z.\h'0.40n'\z.\v'0.55m'\h'-0.40n'u
|
||
|
|
.if t .ds A \v'-0.77m'\h'0.25n'\z.\h'0.45n'\z.\v'0.77m'\h'-0.70n'A
|
||
|
|
.if t .ds O \v'-0.77m'\h'0.25n'\z.\h'0.45n'\z.\v'0.77m'\h'-0.70n'O
|
||
|
|
.if t .ds U \v'-0.77m'\h'0.30n'\z.\h'0.45n'\z.\v'0.77m'\h'-.75n'U
|
||
|
|
.if t .ds s \(*b
|
||
|
|
.if t .ds S SS
|
||
|
|
.if n .ds a ae
|
||
|
|
.if n .ds o oe
|
||
|
|
.if n .ds u ue
|
||
|
|
.if n .ds s sz
|
||
|
|
.TH FILEOPEN 3 "15. Juli 1988" "J\*org Schilling" "Schily\'s LIBRARY FUNCTIONS"
|
||
|
|
.SH NAME
|
||
|
|
fileopen() \- opens or creates files
|
||
|
|
.SH SYNOPSIS
|
||
|
|
.nf
|
||
|
|
.B
|
||
|
|
FILE *fileopen(filename,modes)
|
||
|
|
.B char *filename;
|
||
|
|
.B char *modes;
|
||
|
|
.fi
|
||
|
|
.SH DESCRIPTION
|
||
|
|
fileopen() opens filename. The mode is specified by the
|
||
|
|
characters from the following set:
|
||
|
|
.TP
|
||
|
|
.B a
|
||
|
|
seek to end-of-file after opening
|
||
|
|
.TP
|
||
|
|
.B c
|
||
|
|
create file if necessary
|
||
|
|
.TP
|
||
|
|
.B r
|
||
|
|
allow read access
|
||
|
|
.TP
|
||
|
|
.B t
|
||
|
|
truncate file after opening if it already exists
|
||
|
|
.TP
|
||
|
|
.B u
|
||
|
|
unbuffered all read/writes directly to system
|
||
|
|
.TP
|
||
|
|
.B w
|
||
|
|
allow write access
|
||
|
|
.SH RETURNS
|
||
|
|
NULL open failed.
|
||
|
|
other value should be used in other I/O calls and is of the
|
||
|
|
type FILE.
|
||
|
|
.SH NOTES
|
||
|
|
The file is opened with rw rw access.
|
||
|
|
If there is not enough room to allocate a buffer, the file is
|
||
|
|
opened in an unbuffered mode. There is a limit to the number of
|
||
|
|
open files.
|