struct 中部分变量赋值

#include <stdio.h>

int main(int argc, char *argv[])
{
struct s {
int a;
int b;
int c;
};

struct s test = {
.b = 6,
.c = 7,
};

printf("struct is %d, %d, %d/n", test.a, test.b, test.c);

return 0;
}