open() prototype

[Shankar Unni]

> The best interpretation is that open() really is a variadic-argument
> function, that the third argument is required for O_CREAT and may be
> present but is ignored otherwise, and that <fcntl.h> must be included
> in applications to obtain the appropriate function declaration.

What would have been really useful is some way to "default" the value
of an argument:

  int open (char *, int, int = 0777);

(a' la' C++).
---
Shankar.