Problems with fork()

[wanderso]

Hate to ask a stupid question, but I cannot get fork() to work in a c++ 
program.  I keep getting a link error saying - "undefined reference to 
fork()".  Same problem goes for other low-level C calls like 'unlink', 
'open', etc...

The test stub I'm using is this:

        #include <stdio.h>
        #include <stdlib.h>
	int fork();

        main( int argc, char **argv )
        {
                int i = fork();
        }
NOTE: the same code works fine as a straight C program, it fails when I 
try and compile it as a .cpp file.

I checked other posts and didn't see anything close; any help would be 
most appreciated.

Ross Anderson.

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