0X011954

//write a program entab that replace strings of blanks by the minimum number of tabs and blanks to achieve the same spacing. Use the same tab stops as for detab. when either a tab or a single blank wo

K&R的练习题偏难，但是个个题都是精华，建议先不管练习题，通读几遍，先记住基本的语法，再进行练习，练习时候如果感觉有难度，也可以先看答案，不过，一个题往往有多种解法，看完一种再自己思索下。K&R 练习题 1-21//write a program detab that replaces tabs in the input with the proper number of blanks t