Preprocessor Directives

The following listed are the preprocessor directives.

• #define
  
  
• #elif
  
  
• #else
  
  
• #endif
  
  
• #error
  
  
• #if
  
  
• #ifdef
  
  
• #ifndef
  
  
• #include
  
  
• #line
  
  
• #pragma
  
  
• #undefine