Numbers indicate the height of the window; width omitted because it's irrelevant.

Screen          BarnOwl                     Ncurses
======          =======                     =======
 |                 |
*attach*           |
SIGWINCH ------> resizepending = 1
 |                 |
 |               * new main loop iteration *
 |               owl_global_resize()
 |               endwin() ----------------> screen->_endwin = 1
 |                                          reset_shell_mode (flicker out)
 |                 / <------------------------ /
26               ioctl(TIOCGWINSZ) = 26
 |                 |
 |               g->lines = 26
 |               resizeterm(26) ----------> curscr now 26
 |                                             |
 |                 / <------------------------ /
 |               relayouting
"Oops! I         relayouting
forgot the       relayouting
status bar"      relayouting
SIGWINCH ------> resizepending = 1
 |               relayouting
 |               typwin ends y = 26-1
25                 |
 |               doupdate() --------------> _endwin = 1, so...
 |                                          ioctl(TIOCGWINSZ) = 25
 |                                          resizeterm(25)
 |                                          curscr now 25
 |                                          typwin now off-screen w.r.t curscr
 |                                          reset_prog_mode (flicker in)
 |                 / <------------------------ /
 |               owl_select()
 |               got 'q'
 |               popless:quit
 |               owl_popwin_down
 |               owl_function_full_redisplay
 |               redrawwin(typwin) -------> wredrawln
 |                                          bad bounds check
 |                                          memset in bad location
 |                                          SEGV