diff -purN a/bc/storage.c b/bc/storage.c
--- a/bc/storage.c	2006-09-04 21:39:31.000000000 -0500
+++ b/bc/storage.c	2016-09-09 13:05:09.720000000 -0500
@@ -99,6 +99,7 @@ more_functions (VOID)
     {
       f = &functions[indx];
       f->f_defined = FALSE;
+      f->f_void = FALSE;
       f->f_body = (char *) bc_malloc (BC_START_SIZE);
       f->f_body_size = BC_START_SIZE;
       f->f_code_size = 0;