c语言中typedef

什么是typedef？ (What is typedef?)

typedef is a keyword in C programming language, it is used to define a name to the data type, for example, if you want to define "I" for an int variable, or "UC" for unsigned char etc.

typedef是C编程语言中的关键字，用于定义数据类型的名称，例如，如果要为int变量定义“ I” ，或者为无符号char定义“ UC”等。

Syntax:

句法：

typedef name datatype_name;

Example:

例：

#include 
    
     typedef int I;typedef char C;typedef float F;int main(){
   	I intVar = 10;	C charVar = 'X';	F floatVar = 10.23f;		printf("intVar = %d\n",intVar);	printf("charVar = %c\n",charVar);	printf("floatVar = %f\n",floatVar);		return 0;}
    

Output

输出量

intVar = 10charVar = XfloatVar = 10.230000

翻译自:

c语言中typedef