Or (perhaps):

4. I could use Inline::C or XS: 
void f(void) {
#ifdef _WIN32
 /* code */
#else
 /* other code */
#endif
}

[download]
This avoids any runtime or compile-time determination of the OS. (It was already determined when the script/module was built.) And only the one file !

Cheers,
Rob

In reply to Re: Writing portable code by syphilis
in thread Writing portable code by rovf

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