133 	unsigned long old;  in test_and_set_bit()  local
137 	old = *p;  in test_and_set_bit()
138 	*p = old | mask;  in test_and_set_bit()
141 	return (old & mask) != 0;  in test_and_set_bit()
157 	unsigned long old;  in test_and_clear_bit()  local
161 	old = *p;  in test_and_clear_bit()
162 	*p = old & ~mask;  in test_and_clear_bit()
165 	return (old & mask) != 0;  in test_and_clear_bit()
180 	unsigned long old;  in test_and_change_bit()  local
184 	old = *p;  in test_and_change_bit()
185 	*p = old ^ mask;  in test_and_change_bit()
188 	return (old & mask) != 0;  in test_and_change_bit()