X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/499daa504f93cef3d1d2054634f021d63761c6f9..5a35a6cb7199aa58dc0b0cc6386872f5da18e1fe:/src/system.h

diff --git a/src/system.h b/src/system.h
index 56a0ba0e..82d31c57 100644
--- a/src/system.h
+++ b/src/system.h
@@ -24,6 +24,8 @@
 
 #include <stdio.h>
 
+#include <assert.h>
+
 #ifdef MSDOS
 # include <io.h>
 #endif
@@ -148,3 +150,14 @@ extern int errno;
 #define	SETBIT(x, i)	((x)[(i)/BITS_PER_WORD] |= (1<<((i) % BITS_PER_WORD)))
 #define RESETBIT(x, i)	((x)[(i)/BITS_PER_WORD] &= ~(1<<((i) % BITS_PER_WORD)))
 #define BITISSET(x, i)	(((x)[(i)/BITS_PER_WORD] & (1<<((i) % BITS_PER_WORD))) != 0)
+
+
+/*-----------.
+| Booleans.  |
+`-----------*/
+
+#ifndef TRUE
+# define TRUE	(1)
+# define FALSE	(0)
+#endif
+typedef int bool;