枚举是C语言中的用户定义数据类型。它用于给整数常量赋予名称，使程序易于阅读和维护。关键字“enum”用于声明一个枚举。
以下是C语言中枚举的语法：
enum enum_name{const1, const2, ....... };The enum keyword is also used to define the variables of enum type. There are two ways to define the variables of enum type as follows.
enum week{sunday, monday, tuesday, wednesday, thursday, friday, saturday};
enum week day;Here is an example of enum in C language,
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Example
#include<stdio.h>
enum week{Mon=10, Tue, Wed, Thur, Fri=10, Sat=16, Sun};
enum day{Mond, Tues, Wedn, Thurs, Frid=18, Satu=11, Sund};
int main() {
printf("The value of enum week: %d\t%d\t%d\t%d\t%d\t%d\t%d\n\n",Mon , Tue, Wed, Thur, Fri, Sat, Sun);
printf("The default value of enum day: %d\t%d\t%d\t%d\t%d\t%d\t%d",Mond , Tues, Wedn, Thurs, Frid, Satu, Sund);
return 0;
}输出
The value of enum week: 10111213101617 The default value of enum day: 0123181112
