pragma directive

#pragma directive

Controls the compiler

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 #pragma   tokens   

The #pragma directive is implementation-defined. An implementation can define certain pragma parameters to control the compiler. The preprocessor ignores any pragma that it does not recognize.

Because pragmas are highly compiler-dependent, you should avoid using them as much as possible. Most compilers let you control the compiler by providing command-line options, configuration files, or project files. Do your best to keep compiler-specific information out of your source files. When you must use pragmas, protect them with conditional directives for specific compilers.

Example

 #ifdef _  _BORLANDC_  _   #pragma pack #endif #ifdef _  _COMO_  _   #pragma instantiate #endif