C Preprocessors

C Preprocessors


The following section lists all preprocessor directives:

Category Directive Description
Macro substitution division #include File include
#define
#undif
Macro define, Macro undefine
#ifdef
#ifndef
If macro defined, If macro not defined
File inclusion division #if
#elif
#else
#endif
If, Else, ifElse, End if
Compiler control division #line
#error
#pragma
Set line number, Abort