c語言字符常量和字符串常量

Any character (a single character) that is enclosed within the single quotes (like, 'A') is called character constants in C programming language.

用單引號引起來的任何字符(單個字符)(例如'A' ) 在C編程語言中稱為字符常量 。

Character constants contain:

字符常量包含：

• Any uppercase alphabet

  任何大寫字母

• Any lowercase alphabet

  任何小寫字母

• A space

  空間

• A digit

  一個數字

• Any special character

  任何特殊字符

字符常量聲明 (Character constant declaration)

A character constant is declared by using const keyword.

使用const關鍵字聲明字符常量 。

Syntax:

句法：

const char constant_name = 'value';

Example:

例：

#include <stdio.h>int main(void) {const char1 = 'A'; //uppercase alphabetconst char2 = 'X'; //uppercase alphabet const char3 = 'a'; //lowercase alphabetconst char4 = 'x'; //lowercase alphabetconst char5 = '5'; //a digitconst char6 = '#'; //a special character const char7 = ' '; //a space //print valuesprintf("char1 = %c\n", char1);printf("char2 = %c\n", char2);printf("char3 = %c\n", char3);printf("char4 = %c\n", char4);printf("char5 = %c\n", char5);printf("char6 = %c\n", char5);printf("char7 = %c\n", char7);return 0; }

Output

輸出量

char1 = A char2 = X char3 = a char4 = x char5 = 5 char6 = 5 char7 =

翻譯自: https://www.includehelp.com/c/character-constant.aspx

c語言字符常量和字符串常量

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