> POSIX is the part of the C standard library in UNIX, that should have been part of ISO C as well. I'm not sure what you're trying to say. The Portable Operat

> POSIX is the part of the C standard library in UNIX, that should have been part of ISO C as well. I'm not sure what you're trying to say. The Portable Operating System Interface (POSIX) is specified in an ISO standard, and basically specifies what a UNIX operating system's programmable interfaces are. https://en.wikipedia.org/wiki/POSIX https://en.wikipedia.org/wiki/POSIX POSIX also specifies stuff like "awk must be made available". Is that what you think the C programming language specifies?