diff --git a/firmware/l0dable/mktable.pl b/firmware/l0dable/mktable.pl
index 38cf043..ad54420 100755
--- a/firmware/l0dable/mktable.pl
+++ b/firmware/l0dable/mktable.pl
@@ -56,11 +56,11 @@ sub wanted {
             s!//.*!!;
 			$types{$id}="*($_)";
 			$files{$id}=$File::Find::name;
-		}elsif (m!^\s*extern\s[^(]* ([\w]+)\s*(\[\w*\]\s*)?;\s*(//.*)?(/\*[^/]*\*/)?$!){
+		}elsif (m!^\s*extern\s[^(]* ([\w]+)\s*(\[[^]]*\]\s*)?;\s*(//.*)?(/\*[^/]*\*/)?$!){
             $id=$1;
             s/extern //;
             my $star="*";
-            if( s/\[\w*\]//){
+            if( s/\[.*\]//){
                 $star="";
             };
             s/$id/*/;
diff --git a/firmware/l0dable/system-include-hack.h b/firmware/l0dable/system-include-hack.h
new file mode 100644
index 0000000..4f8f217
--- /dev/null
+++ b/firmware/l0dable/system-include-hack.h
@@ -0,0 +1,3 @@
+size_t strlen(const char *s);
+char * strcpy(char * restrict dst, const char * restrict src);
+void * memcpy(void *dst, const void *src, size_t len);