what does the #pragma preprocessor command do?
what does the #pragma preprocessor command do?
It is used to change the rules by which your code is compiled/linked. Some common directives issued are to turn off or enable warnings, change the default struct packing rules, force inclusion of libraries when linking, and enable/disable optimizations around certain code segments.
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They're also very non-portable, being as they are specific to each compiler.
#pragma foo
might do very different things of different compilers.
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