用于进行gcc测试

				expand_to_ascii (int *i, int *o)				{				  unsigned x, y, out;				  unsigned x1;								  /* Big endian code.  */								  x = *i++;								  y = x >> (32 - 13);				  out = (y / 91);				  out = (out 								  x 				  y = x >> (32 - 13);				  out = (out 				  out = (out 								  *o++ = out + 0x20202020;								  /* 6 bits left in x.  */								  x1 = *i++;				  x = (x > 6);				}