EXTEND_NUM(num_Booleans, ext_Booleans);
TYPE_REALLOC(NCURSES_SBOOL, to->num_Booleans, to->Booleans);
for (n = to->ext_Booleans - 1,
m = ext_Booleans - 1,
base = to->num_Booleans - (m + 1); m >= 0; m--) {
EXTEND_NUM(num_Booleans, ext_Booleans);
TYPE_REALLOC(NCURSES_SBOOL, to->num_Booleans, to->Booleans);
for (n = to->ext_Booleans - 1,
m = ext_Booleans - 1,
base = to->num_Booleans - (m + 1); m >= 0; m--) {