The getyx() macro stores the current cursor position of the specified window in x and y.
The getparyx() macro stores the x and y coordinates (relative to the parent window) of the specified window's origin (upper-left
corner). If win does not point to a subwindow, x and y are set to -1.
The getbegyx() macro stores the x and y coordinates of the specified window's origin (upper-left corner).
The getmaxyx() macro stores the numbers of rows in the specified window in y and the number of columns in x.
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