#include .code MACRO(DEFINE_ALIAS, alias, orig) EXTERN &orig : PROC ALIAS <&alias> = <&orig> ENDM #ifdef _M_X64 DEFINE_ALIAS _rotl, __function_rotl DEFINE_ALIAS _rotr, __function_rotr DEFINE_ALIAS _lrotl, __function_lrotl DEFINE_ALIAS _lrotr, __function_lrotr #else DEFINE_ALIAS __rotl, ___function_rotl DEFINE_ALIAS __rotr, ___function_rotr DEFINE_ALIAS __lrotl, ___function_lrotl DEFINE_ALIAS __lrotr, ___function_lrotr #endif END