Index: psmisc-v23.7/src/lists.h
===================================================================
--- psmisc-v23.7.orig/src/lists.h
+++ psmisc-v23.7/src/lists.h
@@ -18,9 +18,10 @@
 #define _LISTS_H
 
 #include <stddef.h>
+#include <stdbool.h>
 #include <sys/types.h>
 
-typedef enum _boolean {false, true} boolean;
+typedef bool boolean;
 typedef unsigned char uchar;
 #ifndef __USE_MISC
 typedef unsigned short ushort;