For many things there are much better versions of the functions available in the operating system. For example on macOS you really should be using Core Foundati

For many things there are much better versions of the functions available in the operating system. For example on macOS you really should be using Core Foundation for strings, dates, etc. In a cross-platform application you can create a platform layer that wraps OS API usage and provides a POSIX fallback for the platforms you don't directly implement.