strlen 与 sizeof

2021/5/16 18:29:53

本文主要是介绍strlen 与 sizeof,对大家解决编程问题具有一定的参考价值,需要的程序猿们随着小编来一起学习吧!

#include <stdio.h>
#include <string.h>
#include <iostream>

int main()
{
  char name[7] = "morgan";
  std::cout << strlen(name) << "  " << sizeof(name) << std::endl;
  //6   7

  const char* name2 = "morgan";
  std::cout << strlen(name2) << "  " << sizeof(name2) << std::endl;
  //6   8

  std::cout << strlen("morgan") << "  " << sizeof("morgan") << std::endl;
  //6   7

  return 0;
}

  



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