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.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.