define和include不是C语言关键字,是预处理指令。
C语言常见的关键字有auto,break,case,char,const,continue,do,double,else,enum,extern,float,
for,goto,if,int,long,register,return,short,signed,sizeof,struct,switch,typedef,unionunsigned,void
volatile,while.

define和include不是C语言关键字,是预处理指令。
C语言常见的关键字有auto,break,case,char,const,continue,do,double,else,enum,extern,float,
for,goto,if,int,long,register,return,short,signed,sizeof,struct,switch,typedef,unionunsigned,void
volatile,while.