RtlRandomEx - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers 
#ifndef _NTRTL_H

_Ret_range_(<=, MAXLONG)
NTSYSAPI
ULONG
NTAPI
RtlRandomEx(
    _Inout_ PULONG Seed
    );

#endif

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This function is documented in Windows Driver Kit.

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