sc_alloc_history_buffer
error = sc_alloc_history_buffer(scp,
sc_alloc_history_buffer(scp, 0, prev_ysize, FALSE);
sc_alloc_history_buffer(scp, 0, prev_ysize, FALSE);
sc_alloc_history_buffer(scp, 0, 0, TRUE);
sc_alloc_history_buffer(scp, 0, 0, FALSE);
sc_alloc_history_buffer(sc_console, 0, 0, FALSE);
int sc_alloc_history_buffer(scr_stat *scp, int lines,