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题目内容 (请给出正确答案)
单选题
有以下程序(其中的strstr()函数头部格式为:char *strstr(char *p1,char *p2)确定p2字符串是否在p1中出现,并返回p2第一次出现的字符串首地址):#include #include char *a=you;char *b=Welcome you to Beijing!;main(){ char *p; p=strstr(b,a)+strlen(a)+1; printf(%s,p);}程序的运行结果是(  )。
A

to Beijing!

B

you to Beijing!

C

Welcome you to Beijing!

D

Beijing!


参考答案

参考解析
解析:
调用strstr函数,返回值为a指向的字符串在b指向的字符串中第一次出现的位置,并将此地址赋给指针p。strlen()函数求字符串的实际长度(不包含结束标志)。strstr函数返回的地址下标值为8,加上a长度3,再加1,指针P指向的地址下标值为12,输出:to Beijing!,答案选择A选项。
更多 “单选题有以下程序(其中的strstr()函数头部格式为:char *strstr(char *p1,char *p2)确定p2字符串是否在p1中出现,并返回p2第一次出现的字符串首地址):#include #include char *a=you;char *b=Welcome you to Beijing!;main(){ char *p; p=strstr(b,a)+strlen(a)+1; printf(%s,p);}程序的运行结果是(  )。A to Beijing!B you to Beijing!C Welcome you to Beijing!D Beijing!” 相关考题
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