库函数strcpy用以复制字符串。若有以下定义和语句: char str[] = “string”, str2[8], *str3, *str4 = “string”; 则对库函数strcpy的不正确调用是
A. strcpy(str3, “HELLO3”);
B. strcpy(str1, “HELLO1”);
C. strcpy(str4, “HELLO4”);
D. strcpy(str2, “HELLO2”);
若有定义:int x, *pb;,则以下正确的赋值语句是
A. *pb = *x
B. pb = &x
C. *pb = &x
D. pb = x
若有定义和语句: int a[4][5], (*cp)[5]; cp = c; 则对a数组元素的引用正确的是
A. *(cp+3)
B. *(*cp+2)
C. *(cp+1)+3
D. cp+1