对于scanf()函数来说，" ","\t","\n"并没有什么本质的区别，scanf()函数遇到这三种字符的时候会停止，但是这些字符会变成当前缓冲区中的字符。也就是 说，scanf("%d",&n);语句作用完之后，如果还有回车，那么scanf("%c",&ch);读入的就是一个回车。
但是scanf("\n")所读取的并不是一个回车，而是之后所有的" ","\t","\n"字符！其实这就是把缓冲区中所有的" ","\t","\n"字符都清空了。scanf(" ");和scanf("\t");在这方面的功能与scanf("\n");并没有什么区别。
相比之下，gets()要稍微规范一点，可惜的是gets()容易出现溢出错误，所以不建议使用。gets()仅仅是读入到"\n"字符为止，但是 与scanf()不同的是，gets()不会把这个遇到的"\n"字符放入缓冲区，而且gets()所跳过的仅仅是这一个"\n"字符！也就是 说，gets()函数永远是读入到当前行为止，并且自动转到下一行的开头。
2022年8月27日 22:49
Here are the complete details about PSC Result 2022 Rajshahi Board or Division, and students you are at the correct location to check total PSC Exam GPA Grade marks 2022 with downloading of full mark sheet, Primary Result Rajshahi Division as per DPE announcement there are lacks of students participate in this year like previous years, and this year this number is reached up to 30 lacks from all divisions in the country. This year also the Primary School Certificate Examination has completed as per schedule for all divisions and those terminal exams are held without delay under Rajshahi education board functioning under DPE, now they are ready to announce PSC Result 2022 with Full Marksheet for all education boards in the country.
2023年8月29日 19:40
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