用函数来实现strcmp函数及其strlen函数的应用!
#include <stdio.h>
#include <string.h>
int len(int m){
int s;
char a[m];
printf("请任意输入一个字符串:");
gets(a);
s=strlen(a);
printf("您输入的这个字符串的长度为:%d\n",s);
}
int cmp(int m){
char str1[m],str2[m];
printf("请输入第一个字符串str1:");
gets(str1);
printf("请输入第二个字符串str2:");
gets(str2);
int result;
char a[m];
result=strcmp(str1,str2);
if(result>0)
strcpy(a,"more than");
else if(result<0)
strcpy(a,"less than");
else
strcpy(a,"xiangdeng");
printf("str1 %s str2",a);
}
int main(){
len(100);
cmp(20);
}