指针型和数组还是有一点区别
<pre name="code" class="cpp">char *str1 = "hello";
sizeof(str1) = 8 (64位机)
char str1[] = "hello";
sizeof(str1) = 6
strlen(str1) = 5
指针型和数组还是有一点区别
<pre name="code" class="cpp">char *str1 = "hello";
sizeof(str1) = 8 (64位机)
char str1[] = "hello";
sizeof(str1) = 6
strlen(str1) = 5