cmd_mouse_pane
if ((wp = cmd_mouse_pane(&event->m, &s, NULL)) == NULL)
fs->wp = cmd_mouse_pane(m, &fs->s, &fs->wl);
fs->wp = cmd_mouse_pane(m, &fs->s, &fs->wl);
wp = cmd_mouse_pane(m, &s, NULL);
wp = cmd_mouse_pane(&ft->m, NULL, NULL);
wp = cmd_mouse_pane(&ft->m, NULL, NULL);
wp = cmd_mouse_pane(&ft->m, NULL, NULL);
wp = cmd_mouse_pane(&ft->m, NULL, NULL);
wp = cmd_mouse_pane(&ft->m, NULL, NULL);
wp = cmd_mouse_pane(&ft->m, NULL, NULL);
struct window_pane *cmd_mouse_pane(struct mouse_event *, struct session **,
wp = cmd_mouse_pane(m, NULL, NULL);
wp = cmd_mouse_pane(m, NULL, NULL);
wp = cmd_mouse_pane(m, NULL, NULL);
wp = cmd_mouse_pane(m, NULL, NULL);