.he 'CREAT (II)'3/15/72'CREAT (II)'
NAME creat -- create a new file
SYNOPSIS sys creat; name; mode / creat = 8.
DESCRIPTION creat
\b\b\b\b\b_____
creates a new file or prepares to rewrite an existing
file called name
\b\b\b\b____;
name
\b\b\b\b____ is the address of a null-terminated string.
If the file did not exist, it is given mode mode
\b\b\b\b____;
if it did exist, its mode and owner remain unchanged
but it is truncated to 0 length.
The file is also opened for writing, and its file descriptor
The mode
\b\b\b\b____ given is arbitrary; it need not allow
This feature is used by programs which deal with temporary
files of fixed names. The creation is done with
a mode that forbids writing. Then if a second
instance of the program attempts a creat
\b\b\b\b\b_____, an error is
returned and the program knows that the name is unusable
SEE ALSO write(II), close(II)
DIAGNOSTICS The error bit
(c-bit) may be set if: a needed directory is not readable;
the file does not exist and the directory
in which it is to be created is not writable; the file
does exist and is unwritable;
there are already 10 files open.