[C_C++语言]_0_0_动态计算结构体数组长度

Posted 2022-12-11 小砖头1994

#include <stdio.h>
#include <string.h>

typedef struct S_MenuFun

    int id;
    void (*fun)();
S_MenuFun;

void fun1()

	printf("fun1\\n");


void fun2()

	printf("fun2\\n");


void fun3()

	printf("fun3\\n");




S_MenuFun menuFun[] = 

	0,fun1,
	1,fun2,
	2,fun3,
;
int main()

	printf("%ld\\n", sizeof(menuFun)/sizeof(menuFun[0]));
	
	return 0;