strlen(”apple”)的值为？ strcmp(”a”,”A”)的值为？

答案:4 悬赏:10

解决时间 2021-02-22 15:43

提问者网友：迷茫庸人
2021-02-21 16:10

最佳答案

二级知识专家网友：狠傷凤凰
2021-02-21 16:54

#include

#include

#include

#include

#define maxsize 255

int strlength(char *cstroriginal);

char *strcpy(char *cstraim, char *cstroriginal);

int strcompare(char *cstraim,char *cstroriginal);

char *strconcat(char *cstraim,char *cstroriginal);

void main ()
{

char cstroriginal[256],cstraim[256];

int icount=0;

memset(cstroriginal,0,sizeof(cstroriginal));

memset(cstraim,0,sizeof(cstraim));

printf("请像原串中输入字符串:");

gets(cstroriginal);

printf("串长:%d\n",strlength(cstroriginal));

printf("复制串到cstraim:%s\n",strcpy(cstraim,cstroriginal));

printf("请重新输入串cstraim以进行串的比较操作:");

memset(cstraim,0,sizeof(cstraim));

gets(cstraim);

printf("cstraim:%d\n",strcompare(cstraim, cstroriginal));

printf("请重新输入串cstraim以进行连接操作:");

memset(cstraim,0,sizeof(cstraim));

gets(cstraim);

printf("cstraim:%s\n",strconcat(cstraim,cstroriginal));

}

char *strconcat(char *cstraim,char *cstroriginal)
{

int ilenf,ilens;

ilenf=strlength(cstraim);

ilens=strlength(cstroriginal);

if(ilenf==255)

return cstraim;

else if(ilenf+ilens<=255)
{
char *p=cstraim;

while(*cstraim!='\0')

cstraim++;

while(*cstroriginal!='\0')
{

*cstraim=*cstroriginal;

cstraim++;

cstroriginal++;
}

return p;
}

else if((ilenf+ilens>255)&&ilenf<255)
{

int i=255-ilenf,icount=0;

while(icount {

*(cstraim+ilenf)=*cstroriginal;

ilenf++;

icount++;
}

return cstraim;
}
else return 0;
}

int strcompare(char *cstraim, char *cstroriginal)
{

while(1)
{
if(*cstraim>*cstroriginal)

return 1;

else if(*cstraim<*cstroriginal)

return -1;

else if(*cstraim=='\0'&&*cstroriginal!='\0')

return -1;

else if(*cstraim!='\0'&&*cstroriginal=='\0')

return 1;

else if(*cstraim=='\0'&&*cstroriginal=='\0')

return 0;

cstraim++;

cstroriginal++;

}

}

char *strcpy(char *cstraim, char *cstroriginal)
{
char *p;

p=cstraim;

while(*cstroriginal!='\0')
{
*cstraim=*cstroriginal;

cstraim++;

cstroriginal++;
}

return p;

}
int strlength(char *cstroriginal)
{
int iresurt=0;

while(*cstroriginal!='\0')
{

cstroriginal++;

iresurt++;

}

return iresurt;
}

自己看吧可以直接运行

全部回答

1楼网友：有钳、任性
2021-02-21 20:03

第一个为6 第二个为非0

2楼网友：劳资的心禁止访问
2021-02-21 18:27

直接写个代码不就有结果了么？

3楼网友：劳资的心禁止访问
2021-02-21 17:16

strlen("apple")=5 后面的值为： 1

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