#ifndef long_h#define long_htypedef union {	struct {		unsigned long lo,hi;	};	struct {		unsigned short lolo, lohi, hilo, hihi;	};#define NBPL 8	unsigned char b[NBPL];} Long;unsigned _Ladd(Long *r, Long a, Long b);unsigned _Lsub(Long *r, Long a, Long b);unsigned _Lmul(Long *res, Long a, Long b);unsigned _Ldiv(Long *quo, Long *rem, Long num, Long denom);#pragma aux _Ladd = \	"mov  edx,[esp]" \	"add  edx,8[esp]" \	"mov  [eax],edx" \	"mov  edx,4[esp]" \	"adc  edx,12[esp]" \	"mov  4[eax],edx" \	"setc al" \	"movzx eax,al" \	parm caller [eax] modify [eax edx] value [eax];#pragma aux _Lsub = \	"mov edx,[esp]" \	"sub edx,8[esp]" \	"mov [eax],edx" \	"mov edx,4[esp]" \	"sbb edx,12[esp]" \	"mov 4[eax],edx" \	"setc al" \	"movzx eax,al" \	parm caller [eax] modify [eax edx] value [eax];#pragma aux _Lmul =\	"mov    ecx, eax" \	"mov    eax, [esp]" \	"mul    dword ptr 8[esp]" \	"mov    [ecx], eax" \	"mov    ebx, edx" \	"mov    eax, [esp]" \	"mul    dword ptr 12[esp]" \	"add    ebx, eax" \	"mov    eax, 4[esp]"\	"mul    dword ptr 12[esp]" \	"add    ebx, eax" \	"mov    4[ecx], ebx" \	"xor    eax,eax" \	parm caller [eax] modify [eax ebx ecx edx] value [eax];#endif// rdtsc - Read Time Stamp Counter// The 64 bit value is written into memory pointed to by ptr.void rdtsc64( Long *ptr );#pragma aux rdtsc64 = "db 0fh,31h" "mov [ebx],eax" "mov [ebx+4],edx" \	parm nomemory [ebx] modify exact nomemory [eax edx];