But I cant use all these nonstandard, system-dependent functions, because my program has to be ANSI compatible!
But I cant use all these nonstandard, system-dependent functions, because my program has to be ANSI compatible!
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You're out of luck. Either you misunderstood your requirement, or it's an impossible one to meet. ANSI/ISO Standard C simply does not define ways of doing these things; it is a language standard, not an operating system standard. An international standard which does address many of these issues is POSIX (IEEE 1003.1, ISO/IEC 9945-1), and many operating systems (not just Unix) now have POSIX-compatible programming interfaces.
It is possible, and desirable, for most of a program to be ANSI-compatible, deferring the system-dependent functionality to a few routines in a few files which are either heavily #ifdeffed or rewritten entirely for each system ported to;
2015-02-27, 1433👍, 0💬
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