#ifndef CDECL_HEADER_FILE#define CDECL_HEADER_FILE/* * Define macros to specify the standard C calling convention * The macros are designed so that they will work with all * supported C/C++ compilers. * * To use define your function prototype like this: * * return_type PRE_CDECL func_name( args ) POST_CDECL; * * For example: * * int PRE_CDECL f( int x, int y) POST_CDECL; */#if defined(__GNUC__)#  define PRE_CDECL#  define POST_CDECL __attribute__((cdecl))#else#  define PRE_CDECL __cdecl#  define POST_CDECL#endif#endif