字符串

char p[][10] = {

    {"123"},

    {"12"}

};

 

char *p1 = (char *)p + 1

char *p11 = (char *)p + 11

 

则p的内存如下：

1	2	3	\0	-	-	-	-	-	-	1	2	\0	-	-	-	-	-	-	-
p[0]	p1									p[1]	p11

 

sizeof(p) = 20