Please don't replace a one line, obviously recognised by every C programmer since the beginning of time, sizeof(array) / sizeof (type) with some macro that not

Please don't replace a one line, obviously recognised by every C programmer since the beginning of time, sizeof(array) / sizeof (type) with some macro that not everyone knows. But alas, I've only been a C programmer for 30 years so I probably don't know what is cool these days.