Symbols in header files C/C++ -

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how find symbols being referenced in header-file source files?
want find out programmatically.

the brute force method:

  1. in source file, comment out inclusion of header file.
  2. recompile source file.

the compiler should emit list of undefined symbols.

you may need apply recursively if header file includes other files.

edit 1: map files
compiler may able generate cross reference listing of symbols , used. specific each compiler. consult compiler's documentation.

also check linker's documentation well.

the compiler can generate map file shows symbols, values , locations. may show symobls used, not in header files.


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