typedef 字符串

Here, we have to define an alias for a character array with a given number of maximum characters length to read strings?

在這里，我們必須為具有給定最大字符長度數的字符數組定義別名，以讀取字符串 ？

In the below-given program, we have defined two alias (typedefs) for character array and unsigned char:

在下面給出的程序中，我們為字符數組和無符號字符定義了兩個別名(typedef)：

typedef char CHRArray[MAXLEN];typedef unsigned char BYTE;

MAXLEN is also defined with 50 by using define statement #define MAXLEN 50.

MAXLEN還與50通過定義語句的#define MAXLEN 50界定。

Declaring variables:

聲明變量：

CHRArray name;CHRArray city;BYTE age;

Explanation:

說明：

CHRArray name will be considered as char name[50], CHRArray city will be considered as char city[50] and BYTE age will be considered as unsigned char age.

CHRArray名稱將被視為char name [50] ， CHRArray city將被視為char city [50] ， BYTE age將被視為unsigned char age 。

Note: unsigned char is able to store the value between 0 to 255 (i.e. one BYTE value).

注意： unsigned char能夠存儲0到255之間的值(即一個BYTE值)。

Program:

程序：

#include <stdio.h> #include <string.h>#define MAXLEN 50typedef char CHRArray[MAXLEN]; typedef unsigned char BYTE;int main() {CHRArray name;CHRArray city;BYTE age;//assign valuesstrcpy(name, "Amit Shukla");strcpy(city, "Gwalior, MP, India");age = 21;//print valuesprintf("Name: %s\n", name);printf("city: %s\n", city);printf("Age : %u\n", age);return 0; }

Output

輸出量

Name: Amit Shukla city: Gwalior, MP, India Age : 21

翻譯自: https://www.includehelp.com/c-programs/typedef-example-with-character-array-define-an-alias-to-declare-strings.aspx

typedef 字符串

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