How to program/test for portability?

[Gregory S. Baber]

Given that portable C code is a desire, how does someone who has only
had exposure to one "flavor" of C compiler (cc, gcc, Microsoft C 5.1, etc.)
decide whether his or her code is portable, aside from actually trying to
compile it on the target machine? How do you recognize code as being
portable or not? Are there tests that you can perform on your code to test
for portablility? Books on portable C? Gurus willing to look at your code
a pass judgement as to its degree of portability? (1/2 :-)  Thanks, gregb

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