? [ \\ ] ^ _ ` { | } ~","marks":[{"type":"fontSize","value":16},{"type":"backgroundColor","value":"#FFF2CC"}]}]}],"state":{}},{"type":"block","id":"LeZh-1647652367349","name":"paragraph","data":{"version":1},"nodes":[{"type":"text","id":"yLaa-1647652367349","leaves":[{"text":"空格符: 空格、水平制表符(tab)、垂直制表符、换行、换页(form feed)","marks":[{"type":"fontSize","value":16},{"type":"backgroundColor","value":"#FFF2CC"}]}]}],"state":{}},{"type":"block","id":"kKRE-1647652367350","name":"paragraph","data":{"version":1},"nodes":[{"type":"text","id":"f5FO-1647652367349","leaves":[{"text":"不能显示的字符: 空(null)字符(以'\\0'表示)、警告(以'\\a'表示)、退格(以'\\b'表示)、回车(以'\\r'表示)等","marks":[{"type":"fontSize","value":16},{"type":"backgroundColor","value":"#FFF2CC"}]}]}],"state":{}},{"type":"block","id":"L5Hp-1647652766384","name":"paragraph","data":{"version":1},"nodes":[{"type":"text","id":"7FHd-1647652766383","leaves":[{"text":"字符变量","marks":[{"type":"fontSize","value":16}]}]}],"state":{}},{"type":"block","id":"dRQQ-1647653131373","name":"paragraph","data":{"version":1},"nodes":[{"type":"text","id":"sG7H-1647653131373","leaves":[{"text":"字符变量是用类型符char定义字符变量","marks":[{"type":"fontSize","value":16}]}]}],"state":{}},{"type":"block","id":"aM9m-1647653159047","name":"paragraph","data":{"version":1},"nodes":[{"type":"text","id":"0RkY-1647653159047","leaves":[{"text":"char c='?';\t//定义c为字符型变量并使初值为字符′?′。′?′的ASCII代码是63，系统把整数63赋给变量c","marks":[{"type":"fontSize","value":16}]}]}],"state":{}},{"type":"block","id":"Y2uO-1647653195328","name":"paragraph","data":{"version":1},"nodes":[{"type":"text","id":"BbQp-1647653195327","leaves":[{"text":"printf(\"%d %c\\n\",c,c);\t//用“%d”格式输出十进制整数63，用“%c”格式输出字符′?′","marks":[{"type":"fontSize","value":16}]}]}],"state":{}},{"type":"block","id":"1pAm-1647653698046","name":"paragraph","data":{"version":1},"nodes":[{"type":"text","id":"wHwV-1647653698043","leaves":[{"text":"自增（++）自减（--）运算符","marks":[{"type":"fontSize","value":16},{"type":"backgroundColor","value":"#FFFF02"}]}]}],"state":{}},{"type":"block","id":"5QBV-1647653715275","name"