struct enum

 

2、填充結構
#define FILL(a) {a, #a}

enum IDD{OPEN, CLOSE};
typedef struct MSG{
IDD id;
const char * msg;
}MSG;

MSG _msg[] = {FILL(OPEN), FILL(CLOSE)};
相當於：
MSG _msg[] = {{OPEN, "OPEN"},
{CLOSE, "CLOSE"}};

http://stenlyho.blogspot.com/2007/04/c_04.html