C语言--键值对赋值

#include<stdio.h>

typedef struct {
	char name[10];
	int id;
}STD;



int main(int argv,char *argc[])
{
	STD test = {
	 .name = "gong",
	 .id = 10
	};
	STD test1[3] = {
	  [0] = {.name = "gogn1",.id = 11,},
	  [1] = {
	    .name = "yu1",
		.id = 12,
	  }
	};
	int test2[3] = {[0] = 0,[1] = 1,[2] = 2};	
	printf("%s,%d\n",test.name,test.id);
	printf("%s,%d\n",test1[0].name,test1[0].id);
	printf("%s,%d\n",test1[1].name,test1[1].id);
	printf("%d,%d,%d\n",test2[0],test2[1],test2[2]);

    return 0;
}