win

    A pointer to the parent window.

 numlines

    The number of lines in the subwindow. If numlines is 0, then
    the function sets that dimension to LINES - begin_y. To get a
    subwindow of dimensions LINES by COLS, use the following format:

    subwin (win, 0, 0, 0, 0)

 numcols

    The number of columns in the subwindow. If numcols is 0, then
    the function sets that dimension to COLS - begin_x. To get a
    subwindow of dimensions LINES by COLS, use the following format:

    subwin (win, 0, 0, 0, 0)

 begin_y

    A window coordinate at which the subwindow is to be created.

 begin_x

    A window coordinate at which the subwindow is to be created.