Split out rand

adsbus/common.h

@@ -93,13 +93,6 @@ void hex_from_int(char *, uint64_t, size_t);
 void uuid_gen(char *);
 
 
-///////// rand
-
-void rand_init();
-void rand_cleanup();
-void rand_fill(void *, size_t);
-
-
 ///////// retry timing
 
 void retry_init();