【華爲面試題】求輸入字符串的長度（指針）

#include <stdio.h>

//---------------------------------------------------------------------------
//求輸入字符串的長度
#pragma argsused
int main(int argc, char* argv[])
{
  	char str[20], *p;
        int len;
        printf("Please input a string: \n");
        gets(str);
        p = str;
        len = 0;
        while(*p++)
        {
        	len++;
        }
        printf("The length of input string is: %d", len);
        
	return 0;
}
//---------------------------------------------------------------------------