https://docs.oracle.com/cd/E86824_01/html/E54767/winstr-3curses.html
winstr - man pages section 3: Curses Library Functions
curs_instr , instr , innstr , winstr , winnstr , mvinstr , mvinnstr , mvwinstr , mvwinnstr - get a string of characters from a curses window
man pagessectioncurseslibraryfunctions