\r
@retval EFI_SUCCESS The operation was successful. The line is stored in\r
Buffer.\r
+ @retval EFI_END_OF_FILE There are no more lines in the file.\r
@retval EFI_INVALID_PARAMETER Handle was NULL.\r
@retval EFI_INVALID_PARAMETER Size was NULL.\r
@retval EFI_BUFFER_TOO_SMALL Size was not large enough to store the line.\r