int strlen(char *s)
{
int i=0;
while(*s!='\0')
{
i++;
s++;
}
return i;
}
void main()
{
char str[100];
int len;
printf("please input your string:");
gets(str);
len=strlen(str);
printf("the length of str is:%d\n",len);
}
转载于:https://www.cnblogs.com/bhlsheji/p/5327671.html
