diff -ruN cdparanoia-osx-5-orig/header.c cdparanoia-osx-5/header.c
--- cdparanoia-osx-5-orig/header.c	2003-11-23 15:55:02.000000000 -0500
+++ cdparanoia-osx-5/header.c	2022-12-25 11:09:24.000000000 -0500
@@ -8,6 +8,7 @@
  ******************************************************************/
 
 #include <unistd.h>
+#include <stdlib.h>
 #include <stdio.h>
 #include <string.h>