Dutor

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void fun1(char * str) {}
void fun2(char ** str) {}
 
//~ int main(int argc, char ** argv)
int main(int argc, char * argv[])
{
	char str1[] = "Hello, Piggy!";
	char str2[][4] = "Hello, Piggy!";
	fun1(str1);
	fun2(str2);
	fun2(&str1);
	return 0;
}

　　上面的snippet有错误吗？有几个？你能找出来并说出原因吗？4、5两行有区别吗？想一下，然后看gcc给出的错误信息，

test.c: In function ‘main’:
test.c:9: error: invalid initializer
test.c:11: warning: passing argument 1 of ‘fun2’ from incompatible pointer type
test.c:4: note: expected ‘char **’ but argument is of type ‘char (*)[4]’
test.c:12: warning: passing argument 1 of ‘fun2’ from incompatible pointer type
test.c:4: note: expected ‘char **’ but argument is of type ‘char (*)[14]’