check if keywords already defined

3 years ago · 7aa980ef8d
parent 20dd00fad3
commit 7aa980ef8d
1 changed files with 7 additions and 5 deletions
--- a/include/cb.h
+++ b/include/cb.h
@ -8,11 +8,13 @@
 #define assertm(exp, msg) = assert(((void)msg, exp))
-#define or ||
+#ifndef or
-#define and &&
+    #define or ||
-#define xor ^
+    #define and &&
-#define compl ~
+    #define xor ^
-#define not !
+    #define compl ~
    #define not !
 #endif
 #endif