trouble with compiling on winxp

[Cmdr0Sunburn]

hi, i get this error when compiling on winxp with msvc++6
d:\11111\c plus\vc98\include\winnt.h(1092) : error C2146: syntax error : missing ';' before identifier 'KSPIN_LOCK'


this is the winnt.h where the error is at, witch seems to be ok and hasnt been modified in 4 years

#define STATUS_STACK_OVERFLOW ((DWORD )0xC00000FDL)
#define STATUS_CONTROL_C_EXIT ((DWORD )0xC000013AL)
#define STATUS_FLOAT_MULTIPLE_FAULTS ((DWORD )0xC00002B4L)
#define STATUS_FLOAT_MULTIPLE_TRAPS ((DWORD )0xC00002B5L)
#define STATUS_ILLEGAL_VLM_REFERENCE ((DWORD )0xC00002C0L)
/*lint -restore */
#endif
#define MAXIMUM_WAIT_OBJECTS 64 // Maximum number of wait objects

#define MAXIMUM_SUSPEND_COUNT MAXCHAR // Maximum times thread can be suspended

typedef UINT_PTR KSPIN_LOCK;
typedef KSPIN_LOCK *PKSPIN_LOCK;

//
// Define function to return the current Thread Environment Block
//

#ifdef _ALPHA_ // winnt
void *_rdteb(void); // winnt
#if defined(_M_ALPHA) // winnt
#pragma intrinsic(_rdteb) // winnt
#endif // winnt
#endif // winnt

#if defined(_M_ALPHA)
#define NtCurrentTeb() ((struct _TEB *)_rdteb())
#else