if n.Define != "" {
			if i, err := strconv.ParseInt(n.Define, 0, 64); err == nil {
				n.Kind = "iconst"
				// Turn decimal into hex, just for consistency
				// with enum-derived constants. Otherwise
				// in the cgo -godefs output half the constants
				// are in hex and half are in whatever the #define used.
				n.Const = fmt.Sprintf("%#x", i)
			} else if n.Define[0] == '\'' {

 * string `cute #puppies` is encoded as `cute%20%23puppies` when used as a query parameter value.
 *
 * ### Percent encoding
 *
 * Percent encoding replaces a character (like `\ud83c\udf69`) with its UTF-8 hex bytes (like
 * `%F0%9F%8D%A9`). This approach works for whitespace characters, control characters, non-ASCII
 * characters, and characters that already have another meaning in a particular context.
 *