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C stdlib exit() 函数

❮ C stdlib 库


示例

如果未授权则停止程序

int myAge = 25;
int votingAge = 18;

if(myAge < votingAge) {
  printf("Not authorized");
  exit(0);
}

printf("Age verified. Continue this way.");
自己尝试 »

定义和用法

The exit() 函数停止程序并向操作系统发送一个代码。

The exit() 函数在 <stdlib.h> 头文件中定义。


语法

exit(int status);

参数值

参数 描述
status 必需。一个整数,指定程序结束时的状态。
如果程序预期在此处结束,则应使用 0 或常量 EXIT_SUCCESS
如果程序必须因错误而结束,则应使用常量 EXIT_FAILURE

❮ C stdlib 库

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