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C/C++ Questions only (C Preprocessor)
C++ programming on UNIX, C++ Networking,C++ Algorithm Questions and Answers
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C/C++ Questions only (C Preprocessor)
1. I've got some cute preprocessor macros that let me write C code
that looks more like Pascal. What do y'all think?
2. How can I write a generic macro to swap two values?
3. What's the best way to write a multi-statement macro?
4. What are .h files and what should I put in them?
5. Is it acceptable for one header file to #include another?
6. Where are header (``#include'') files searched for?
7. I'm getting strange syntax errors on the very first declaration
in a file, but it looks fine.
8. Where can I get a copy of a missing header file?
9. How can I construct preprocessor #if expressions which compare
strings?
10. Does the sizeof operator work in preprocessor #if directives?
11. Can I use an #ifdef in a #define line, to define something two
different ways?
12. Is there anything like an #ifdef for typedefs?
13. How can I use a preprocessor #if expression to detect
endianness?
14. How can I preprocess some code to remove selected conditional
compilations, without preprocessing everything?
15. How can I list all of the pre#defined identifiers?
16. I have some old code that tries to construct identifiers with a
17. macro like "#define Paste(a, b) a/**/b", but it doesn't work any
more.
18.
What does the message ``warning: macro replacement within a string
literal'' mean?
19. How can I use a macro argument inside a string literal in the
macro expansion?
20. I've got this tricky preprocessing I want to do and I can't
figure out a way to do it.
21. How can I write a macro which takes a variable number of
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