pub unsafe extern "C" fn aws_input_stream_new_from_file(
allocator: *mut aws_allocator,
file_name: *const c_char
) -> *mut aws_input_streampub unsafe extern "C" fn aws_input_stream_new_from_file(
allocator: *mut aws_allocator,
file_name: *const c_char
) -> *mut aws_input_stream