NtUnmapViewOfSectionEx - NtDoc

#ifndef _NTMMAPI_H
//
// Sections
//
#if (PHNT_MODE != PHNT_MODE_KERNEL)
#if (PHNT_VERSION >= PHNT_WINDOWS_8)

/**
 * The NtUnmapViewOfSectionEx routine unmaps a view of a section from the virtual address space of a subject process.
 *
 * @param ProcessHandle Handle to a process object that was previously passed to NtMapViewOfSection.
 * @param BaseAddress Pointer to the base virtual address of the view to unmap. This value can be any virtual address within the view.
 * @param Flags Additional flags for the unmap operation.
 * @return NTSTATUS Successful or errant status.
 * @sa https://learn.microsoft.com/en-us/windows-hardware/drivers/ddi/wdm/nf-wdm-zwunmapviewofsection
 */
NTSYSCALLAPI
NTSTATUS
NTAPI
NtUnmapViewOfSectionEx(
    _In_ HANDLE ProcessHandle,
    _In_opt_ PVOID BaseAddress,
    _In_ ULONG Flags
    );

#endif
#endif
#endif
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#ifndef _NTZWAPI_H

NTSYSCALLAPI
NTSTATUS
NTAPI
ZwUnmapViewOfSectionEx(
    _In_ HANDLE ProcessHandle,
    _In_opt_ PVOID BaseAddress,
    _In_ ULONG Flags
    );

#endif
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