Making: math interpreter. Need to fix printf %f

src/libc/ctype.c

@@ -0,0 +1,13 @@
+
+#include "stdint.h"
+
+bool isdigit(char c)
+{
+	return c >= '0' && c <= '9';
+}
+
+
+bool isspace(char c)
+{
+	return c == ' ' || c == '\t' || c == '\n' || c == '\v' || c == '\f' || c == '\r';
+}