Native API online documentation, based on the System Informer
(formerly Process Hacker) phnt
headers
#ifndef _PHNT_NTDEF_H
#ifndef _NTDEF_
//
// Specific
//
/**
* The KIRQL type is an unsigned char used by the NT API for kernel IRQL (Interrupt Request Level).
*/
typedef UCHAR KIRQL, *PKIRQL;
#endif
#endif
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