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from ctypes import c_int, POINTER
from ctypes.wintypes import DWORD, WCHAR


PDH_FUNCTION = c_int
PDH_OK = 0x00000000
PDH_MORE_DATA = -2147481646#0x800007D2

DWORD_PTR = POINTER(DWORD)
PWSTR = POINTER(WCHAR)
PZZWSTR = POINTER(WCHAR)

PDH_NOEXPANDCOUNTERS = 1
PDH_NOEXPANDINSTANCES = 2
PDH_REFRESHCOUNTERS = 4

PDH_FMT_LONG = 0x00000100
PDH_FMT_DOUBLE = 0x00000200
PDH_FMT_LARGE = 0x00000400

PDH_FMT_NOSCALE = 0x00001000
PDH_FMT_1000 = 0x00002000
PDH_FMT_NOCAP100 = 0x00008000