#ifndef _NTRTL_H

/**
 * The RtlEnterCriticalSection routine waits for ownership of the specified critical section object, blocking the calling thread until the object is available.
 *
 * \param CriticalSection A pointer to the critical section object.
 * \return NTSTATUS Successful or errant status.
 * \remarks Acquisition by the owning thread increments recursion. Each successful enter/try-enter needs one leave on that thread. Try-enter FALSE does not acquire a level. A successful status or unlocked snapshot is not a lifetime guarantee for the lock storage.
 */
_Acquires_exclusive_lock_(*CriticalSection)
NTSYSAPI
NTSTATUS
NTAPI
RtlEnterCriticalSection(
    _Inout_ PRTL_CRITICAL_SECTION CriticalSection
    );

#endif
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