RtlUIntPtrToChar - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers 
#ifndef _NTINTSAFE_H_INCLUDED_
#if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP | WINAPI_PARTITION_SYSTEM | WINAPI_PARTITION_GAMES)

//
// UINT_PTR -> CHAR conversion
//
__forceinline
NTSTATUS
RtlUIntPtrToChar(
    _In_ UINT_PTR uOperand,
    _Out_ _Deref_out_range_(==, uOperand) CHAR* pch)
{
#ifdef _CHAR_UNSIGNED
    return RtlUIntPtrToUChar(uOperand, (UCHAR*)pch);
#else
    return RtlUIntPtrToInt8(uOperand, (INT8*)pch);
#endif
}

#endif
#endif

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// ntintsafe.h

NTSTATUS RtlUIntPtrToChar(
  UINT_PTR uOperand,
  CHAR     *pch
);
View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (nf-ntintsafe-rtluintptrtochar)

RtlUIntPtrToChar function

Description

Converts a value of type UINT_PTR to a value of type CHAR.

Parameters

uOperand

The value to be converted.

pch

A pointer to the converted value. In the case where the conversion causes a truncation of the original value, the function returns STATUS_INTEGER_OVERFLOW and this parameter is not valid.

Return value

Returns STATUS_SUCCESS if the operation is successful.

See the implementation of this helper function in ntintsafe.h in the WDK for possible error return values.

Remarks

This is one of a set of inline functions designed to provide type conversions and perform validity checks with minimal impact on performance.

This function uses the following alternate name:

View the official Windows Driver Kit DDI reference

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