Function nt_map_view_of_section 

pub fn nt_map_view_of_section(
    section_handle: HANDLE,
    process_handle: HANDLE,
    base_address: *mut PVOID,
    zero: usize,
    commit_size: usize,
    offset: *mut LARGE_INTEGER,
    view_size: *mut usize,
    disposition: u32,
    allocation_type: u32,
    protection: u32,
) -> i32

Dynamically calls NtMapViewOfSection.

It will return the NTSTATUS value returned by the call.