V7/usr/src/cmd/struct/1.main.c

Find at most related files.
including files from this version of Unix. 
#include <stdio.h>
#include "def.h"
int endbuf;

mkgraph()
	{
	if (!parse())
		return(FALSE);
	hash_check();
	hash_free();
	fingraph();
	return(TRUE);
	}