#include <stdio.h>
#include "myheader.h"

int main(void) 
{
	int a = 0;
	int b = 0;
	
	printf("輸入A=");
	scanf_s("%d", &a);
	printf("輸入B=");
	scanf_s("%d", &b);
 
	func(a, b);
	
	return 0;
}

void func(int a, int b)
{
	int c = 0;
	int d = 0;
	
	for (c = 0; c <= b; c++)
	{
		d = 5 * a + 4 * c;
		
	    printf("5*%d+4*%d=%d\n", a, c, d);
	}
}


In myheader.h

#ifndef _MYHEADER_H_
#define _MYHEADER_H

void func(int a, int b);

#endif