1 files changed, 1 insertions, 0 deletions

diff --git a/include/sitecing/acomponent.h b/include/sitecing/acomponent.h
index 160e854..461f8a6 100644
--- a/include/sitecing/acomponent.h
+++ b/include/sitecing/acomponent.h
@@ -1,78 +1,79 @@
 #ifndef __SITECING_ACOMPONENT_H
 #define __SITECING_ACOMPONENT_H
 
+#include <cstdarg>
 #include "sitecing/sitecing_interface.h"
 
 /**
  * @file
  * @brief The acomponent class declaration.
  */
 
 namespace sitecing {
 
     /**
      * An abstract base class for sitecing components.
      */
     class acomponent {
         public:
             /**
              * Pointer to the interface object, used to communicate with the
              * site-C-ing core.
              */
             sitecing_interface *__SCIF;
 
             acomponent();
             virtual ~acomponent();
 
             /**
              * Set the interface to core pointer.
              * @param scif the pointer to the interface object.
              */
             virtual void __set_interface(sitecing_interface *scif=0);
             /**
              * Invoked if the interface to the core has changed.
              * @param oscif pointer to the old interface object.
              */
             virtual void __on_change_interface(sitecing_interface *oscif);
 
             /**
              * do import components.
              */
             virtual void __do_imports();
             /**
              * invoked on components imports.
              */
             virtual void __on_imports();
             /**
              * fetch the pointer to the most derived component.
              * @returns pointer to the most derived object.
              */
             virtual void *__the_most_derived_this() = 0;
 
             /**
              * Do the job.
              * @param __magic the magic number used as a key to decipher the
              * rest of parameters.
              * @param __args the parameters.
              */
             virtual void main(int __magic,va_list __args) = 0;
 
             /**
              * Run the component. Convenience helper for calling main().
              * @param __magic the magic number.
              * @param ... the rest of parameters.
              * @see main();
              */
             void run(int __magic,...);
 
             /**
              * Helper function (which doesn't necessarily belongs here!) for
              * reading the file and passing it to the output stream.
              * @param fn the file name.
              */
             void pass_file_through(const char *fn);
     };
 
 }
 
 #endif /* __SITECING_ACOMPONENT_H */