#include <iostream>
#include<assert.h>
#include<stdlib.h>
#include<string.h>
using namespace std;
int strlenT(const char * s)
{
//断言判断s为非空
assert(s!=NULL);
int len=0;
while(*s!='\0')
{
s++;
len++;
}
return len;
}
int main()
{
char *s1="hello";
cout<<strlenT(s1)<<endl;
cout<<strlen(s1)<<endl;
char *s2="";
cout<<strlenT(s2)<<endl;
return 0;
}
#include<assert.h>
#include<stdlib.h>
#include<string.h>
using namespace std;
int strlenT(const char * s)
{
//断言判断s为非空
assert(s!=NULL);
int len=0;
while(*s!='\0')
{
s++;
len++;
}
return len;
}
int main()
{
char *s1="hello";
cout<<strlenT(s1)<<endl;
cout<<strlen(s1)<<endl;
char *s2="";
cout<<strlenT(s2)<<endl;
return 0;
}