能帮我改改吗？/

[huizai123]

#include<stdio.h>
void length(char str1[],char str2[])
{int len1,len2;
len1=strlen(str1);
len2=strlen(str2);
return;
}
main()
{
char str1[]="windows";
char str2[]="win";
void length(char A[],char B[]);
printf("The length of %s\n",str1);
printf("The length of %s\n",str2);
}