diff --git a/sysdata/libraries/stn/src/random.hb b/sysdata/libraries/stn/src/random.hb
index a7e5ec297..bf2917ca8 100644
--- a/sysdata/libraries/stn/src/random.hb
+++ b/sysdata/libraries/stn/src/random.hb
@@ -1,7 +1,15 @@
-any := fn($Expr: type): Expr {
+$any := fn($Expr: type): Expr {
 	return *@eca(3, 4, &@as(Expr, idk), @sizeof(Expr))
 }
 
-range := fn($Expr: type, min: Expr, max: Expr): Expr {
+$range := fn($Expr: type, min: Expr, max: Expr): Expr {
 	return *@eca(3, 4, &@as(Expr, idk), @sizeof(Expr)) % (max - min) + *@bitcast(&1) + min
+}
+
+$fill := fn($Expr: type, ptr: ^Expr): void {
+	return @eca(3, 4, ptr, @sizeof(Expr))
+}
+
+$fill_buffer := fn(buf: ^u8, len: uint): void {
+	return @eca(3, 4, buf, len)
 }
\ No newline at end of file