静态字符串数组的初始化

#include
int main()
{
    char test[10] = {0};

    sprintf(test,"hello\n");
    printf("%s",test);
}

直接用char test[10] = {0};初始化即可

(gdb) p test
$1 = "\000\000\000\000\000\000\000\000\000"