--- stack/stack.h	2002/03/30 02:31:24	1.21
+++ stack/stack.h	2003/08/04 11:22:02	1.22
@@ -22,6 +22,37 @@
 
 #define HASHTBLSIZE 2048
 
+#define CAR(X) ((X)->content.c->car)
+#define CDR(X) ((X)->content.c->cdr)
+
+/* printf, sscanf, fgets, fprintf, fopen, perror */
+#include <stdio.h>
+/* exit, EXIT_SUCCESS, malloc, free */
+#include <stdlib.h>
+/* NULL */
+#include <stddef.h>
+/* dlopen, dlsym, dlerror */
+#include <dlfcn.h>
+/* strcmp, strcpy, strlen, strcat, strdup */
+#include <string.h>
+/* getopt, STDIN_FILENO, STDOUT_FILENO, usleep */
+#include <unistd.h>
+/* EX_NOINPUT, EX_USAGE */
+#include <sysexits.h>
+/* assert */
+#include <assert.h>
+
+#ifdef __linux__
+/* mtrace, muntrace */
+#include <mcheck.h>
+/* ioctl */
+#include <sys/ioctl.h>
+/* KDMKTONE */
+#include <linux/kd.h>
+#endif /* __linux__ */
+
+
+
 /* First, define some types. */
 
 struct cons_struct;