> Using the proper C standard. You mean the standard that didn't exist until 1989? > Using the standard library (and perhaps even common Unix libraries) That

> Using the proper C standard. You mean the standard that didn't exist until 1989? > Using the standard library (and perhaps even common Unix libraries) That's also very late 80s (realistically early 90s) stuff. Which was still yes a very long time ago that C made all these breaking changes, but it was also a good ~20 years after it's release as well.