编制一个源程序的输入过程，从键盘、文件或文本框输入若干行语句，依次存入输入缓冲区（字符型数据）；然后编制一个预处理子程序，去掉输入串中的回车符、换行符和跳格符等编辑性文字；把多个空白符合并为一个；去掉注释-Preparation of a source input from keyboard, file or text box, enter a number of rows statement sequentially stored in the input buffer (character data)　then the preparation of a pre-processing subroutine, remove the carriage return character in the input string, line breaks and jump grid symbol editing text　comply with multiple blank and a　uncomment