C function to convert an nit Int to a CString (char*)

Property definitions

core :: abstract_text $ Byte :: native_byte_to_s
	# C function to convert an nit Int to a CString (char*)
	private fun native_byte_to_s(nstr: CString, strlen: Int) `{
		snprintf(nstr, strlen, "0x%02x", self);
	`}
lib/core/text/abstract_text.nit:1936,2--1939,3