diff --git a/debug/sysctl.c b/debug/sysctl.c
new file mode 100644
index 0000000..8d0390d
--- /dev/null
+++ b/debug/sysctl.c
@@ -0,0 +1,59 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/sysctl.h>
+
+int mib[2];
+size_t len;
+char *p;
+
+int main() {
+  printf("SYSCTL\n");
+
+
+  mib[0] = 1;
+  mib[1] = 1;
+
+  sysctl(mib, 2, NULL, &len, NULL, 0);
+  p = malloc(len);
+  sysctl(mib, 2, p, &len, NULL, 0);
+
+  printf("[%s]\n", p); 
+
+  mib[0] = 1;
+  mib[1] = 10;
+
+  sysctl(mib, 2, NULL, &len, NULL, 0);
+  p = malloc(len);
+  sysctl(mib, 2, p, &len, NULL, 0);
+
+  printf("[%s]\n", p); 
+
+  mib[0] = 1;
+  mib[1] = 2;
+
+  sysctl(mib, 2, NULL, &len, NULL, 0);
+  p = malloc(len);
+  sysctl(mib, 2, p, &len, NULL, 0);
+
+  printf("[%s]\n", p); 
+
+  mib[0] = 1;
+  mib[1] = 4;
+
+  sysctl(mib, 2, NULL, &len, NULL, 0);
+  p = malloc(len);
+  sysctl(mib, 2, p, &len, NULL, 0);
+
+  printf("[%s]\n", p); 
+
+  mib[0] = 6;
+  mib[1] = 1;
+
+  sysctl(mib, 2, NULL, &len, NULL, 0);
+  p = malloc(len);
+  sysctl(mib, 2, p, &len, NULL, 0);
+
+  printf("[%s]\n", p); 
+  
+}