It has a lot of costs to add to the C language, even if it's just the increased complexity in the documentation, and doesn't effect c99. Every processor, OS, pr

It has a lot of costs to add to the C language, even if it's just the increased complexity in the documentation, and doesn't effect c99. Every processor, OS, programming language needs used in business needs to fully support a C standard. So adding to C effects every processor and computer architecture, every new OS, every new language. If you look at CPPreference you can see how much complexity has been added to the C standard in the last few years.