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xxs
on Aug 21, 2014
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fork() can fail
The OP said: wrap in a macro having similar properties (ala pseudo code).
jacquesm
on Aug 21, 2014
[–]
Good luck writing a macro in C to express language functionality for which you don't have the primitives. It's not exactly lisp. Think of C macros as a way to save you some typing and lisp macros as a way to extend the language.
tedunangst
on Aug 21, 2014
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setjmp and longjmp are sufficient building blocks for this.
xxs
on Aug 21, 2014
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you can definitely save the chdir and restore it macro.
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