璜defineとtypedefの簡単な区別と使用

/*
 ============================================================================
 Name        : TestDefine.c
 Author      : lf
 Version     :
 Copyright   : Your copyright notice
 Description : #define typedef        

 1          
   #define    ,        ,     .
                    ，        .
   typedef       .        ,  typedef        .
 2        
   typedef                .
   #define      ,              ,       .  :
   #define PI 3.14
             s=PI*r*r    s=3.14*r*r
 3       .
   typedef   ;  ,  #define      ;
                (#)      ; ,  #include <stdio.h>
 ============================================================================
 */

#include <stdio.h>
#include <stdlib.h>
//  #define    NUMBER,   9527
#define NUMBER 9527

void printFun(int i);

//  typedef int   INTEGER
typedef int INTEGER;


//  typedef    .
//   intArray          10
//         :
//typedef <       ><     >[<     >];
typedef int intArray[10];


//  typedef     
typedef struct {
	char name;
	int age;
}student;


//  typedef      
typedef void (*printFunP)(int);

int main(void) {
	testTypedef();
	testDefine();
	return EXIT_SUCCESS;
}

void testTypedef(){
	INTEGER i=5;
	printf("INTEGER i=%d
",i);
	printf("=============
");

	intArray array={1,2,3,4,5,6,7,8,9,0};
	int j;
	for (j = 0; j < 10; j++) {
		printf("j=%d
",j);
	}
	printf("=============
");

	student s;
	s.name='L';
	s.age=25;
	printf("name=%c,age=%d
", s.name, s.age);
	printf("=============
");


	//           
	printFunP printFunPointer;
	printFunPointer=printFun;
    (*printFunPointer)(27);
    //(printFunPointer)(27);//  
}


void printFun(int i){
	printf("i=%d
",i);
	printf("=============
");
}

void testDefine(){
	printf("number=%d
",NUMBER);
}