What is bool in c language
The bool type in C language is used to represent Boolean values, that is, true or false, and the header file <stdbool.h> needs to be included. Bool variables can be assigned true or false and can be compared using operators such as == and !=. C language also provides Boolean operators such as &&, ||, !, etc. for combining bool values.
bool in C language
What is bool?
bool is a built-in data type in C language used to represent Boolean values (true or false).
How to use bool?
When using bool, you must first include the header file <stdbool.h>
.
bool variables can be defined in the following ways:
bool is_true; // 声明一个名为 is_true 的 bool 变量
Assignment and comparison of bool values
bool values can be assigned to true or false:
is_true = true; // 将 is_true 设为 true
bool values can be compared using the following operators:
==
: equals!=
: does not Equal to
Boolean operations
The C language provides Boolean operators for combining bool values:
&&
: Logical AND||
: Logical OR!
: Logical NOT
Example
#include <stdbool.h> int main() { bool is_daytime = true; bool is_raining = false; bool is_umbrella_needed = is_raining || !is_daytime; // 如果正在下雨或不是白天,则需要雨伞 return 0; }
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