118 		void set_0(byte_t _ch)  in set_0()
120 			_data[0] = _ch;  in set_0()
123 		void set_1(byte_t _ch)  in set_1()
125 			_data[1] = _ch;  in set_1()
128 		void set_2(byte_t _ch)  in set_2()
130 			_data[2] = _ch;  in set_2()
142 		void b64_0(int _ch)	{_data[0] = ((_ch & _0011_1111) << 2) | (_0000_0011 & _data[0]);}  in b64_0()
144 		void b64_1(int _ch)	{  in b64_1()
145 			_data[0] = ((_ch & _0011_0000) >> 4) | (_1111_1100 & _data[0]);  in b64_1()
146 			_data[1] = ((_ch & _0000_1111) << 4) | (_0000_1111 & _data[1]);	}  in b64_1()
148 		void b64_2(int _ch)	{  in b64_2()
149 			_data[1] = ((_ch & _0011_1100) >> 2) | (_1111_0000 & _data[1]);  in b64_2()
150 			_data[2] = ((_ch & _0000_0011) << 6) | (_0011_1111 & _data[2]);	}  in b64_2()
152 		void b64_3(int _ch){  in b64_3()
153 			_data[2] = (_ch & _0011_1111) | (_1100_0000 & _data[2]);}  in b64_3()