Estensioni Microsoft

asm-statement:
  __asm assembly-instruction ; _optare
  __asm { assembly-instruction-list } ; _optare

assembly-instruction-list:
  assembly-instruction ; _optare
  assembly-instruction ; assembly-instruction-list ; _optare

ms-modifier-list:
  ms-modifier ms-modifier-list _optare

ms-modifier:
 __cdecl
 __fastcall
 __stdcall
  __syscall (riservato per le implementazioni future)
  __oldcall (riservato per le implementazioni future)
  __unaligned (riservato per le implementazioni future)
 based-modifier

based-modifier:
  __based ( based-type )

based-type:
 name