推荐回答(5个)
“\”是转义字符,C中定义了一些字母前加"\"来表示常见的那些不能显示的ASCII字符,如\0,\t,\n等,就称为转义字符,因为后面的字符,都不是它本来的ASCII字符意思了。
转义序列 字符
\b 退格
\f 走纸换页
\n 换行
\r 回车
\t 横向跳格 (Ctrl-I)
\' 单引号
\" 双引号
\\反斜杠
C语言常用的转义字符及其含义,收藏了吧。常用的还是要记住。
转义字符 意义 ASCII码值(十进制)
\a 响铃(BEL) 007
\b 退格(BS) ,将当前位置移到前一列 008
\f 换页(FF),将当前位置移到下页开头 012
\n 换行(LF) ,将当前位置移到下一行开头 010
\r 回车(CR) ,将当前位置移到本行开头 013
\t 水平制表(HT) (跳到下一个TAB位置) 009
\v 垂直制表(VT) 011
\\ 代表一个反斜线字符''\' 092
\' 代表一个单引号(撇号)字符 039
\" 代表一个双引号字符 034
\0 空字符(NULL) 000
\ddd 1到3位八进制数所代表的任意字符 三位八进制
\xhh 1到2位十六进制所代表的任意字符 二位十六进制
如若还有不懂,百度hi我,如对楼主有所帮助望尽快采纳,谢谢!,你外面已经加如了引号,反斜杠当然没用了。
如若还有不懂,百度hi我,如对楼主有所帮助望尽快采纳,谢谢!
你的主函数设置的是返回int型;不加return语句的话,返回值类型应该为void。
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