release/src-rt-6.x/linux/linux-2.6/include/linux/const.h

   1 /* const.h: Macros for dealing with constants.  */
   2
   3 #ifndef _LINUX_CONST_H
   4 #define _LINUX_CONST_H
   5
   6 /* Some constant macros are used in both assembler and
   7  * C code.  Therefore we cannot annotate them always with
   8  * 'UL' and other type specifiers unilaterally.  We
   9  * use the following macros to deal with this.
  10  */
  11
  12 #ifdef __ASSEMBLY__
  13 #define _AC(X,Y)        X
  14 #else
  15 #define __AC(X,Y)       (X##Y)
  16 #define _AC(X,Y)        __AC(X,Y)
  17 #endif
  18
  19 #endif /* !(_LINUX_CONST_H) */