SCO XENIX 2.2.1 C Compiler HELP!!!

[Gregg Houck SysOp]

When compiling a program with the include statement as follows:

#include <signal.h>

This file in /usr/include called signal.h calls sys/signal.h.
The problem is that there is no sys/signal.h!!!!!  

What is wrong.  Is c installed wrong or did the install
crash or what?!?!?!?!?!?!?

Thanks in advance!!

Gregg


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