How to use C language code to realize the addition and subtraction of complex numbers and output structure

How to use it? C The language code realizes the addition and subtraction of complex numbers and the output structure

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  One 、 Addition and subtraction of complex numbers

#include<stdio.h>
 
typedef struct complex
{
	int real;	// Real component 
	int imag;	// Imaginary part 
}complex;
 
/*
	 function ： Plural addition 
	 Parameters ： Two plurals 
	 Return value ： The sum of two plural numbers 
*/
complex complexadd(complex x,complex y)
{
	complex sum;
	sum.real = x.real + y.real;
	sum.imag = x.imag + y.imag;
	return sum;
}
 
/*
	 function ： Complex subtraction 
	 Parameters ： Two plurals 
	 Return value ： The difference between two complex numbers 
*/
complex complexsub(complex x,complex y)
{
	complex sum;
	sum.real = x.real - y.real;
	sum.imag = x.imag - y.imag;
	return sum;
}
 
/*
	 function ： Print plurals 
	 Parameters ： A plural 
*/
void printfcomplex(complex x)
{
	printf("%d",x.real);
	if(x.imag > 0)
	{
		printf("+");
	}
	printf("%d\n",x.imag);
}
 
int main()
{
	complex f1 = {3,-5};
	complex f2 = {-5,8};
	printfcomplex(f1);
	printfcomplex(f2);
	complex f3 = complexadd(f1,f2);
	printfcomplex(complexadd(f1,f2));
	printfcomplex(f3);
	printfcomplex(complexsub(f1,f2));
	return 0;
}

Two 、 Sub documents complex.c

#include<stdio.h>
#include"complex.h"
 
 
/*
	 function ： Plural addition 
	 Parameters ： Two plurals 
	 Return value ： The sum of two plural numbers 
*/
complex complexadd(complex x,complex y)
{
	complex sum;
	sum.real = x.real + y.real;
	sum.imag = x.imag + y.imag;
	return sum;
}
 
/*
	 function ： Complex subtraction 
	 Parameters ： Two plurals 
	 Return value ： The difference between two complex numbers 
*/
complex complexsub(complex x,complex y)
{
	complex sum;
	sum.real = x.real - y.real;
	sum.imag = x.imag - y.imag;
	return sum;
}
 
/*
	 function ： Print plurals 
	 Parameters ： A plural 
*/
void printfcomplex(complex x)
{
	printf("%d",x.real);
	if(x.imag > 0)
	{
		printf("+");
	}
	printf("%di\n",x.imag);
}

main.c

#include<stdio.h>
#include"complex.h"		// complex  The header file 
 
int main()
{	
	complex f1 = {3,-5};		//  Structure initialization 
	complex f2 = {-5,8};
	printfcomplex(f1);			//  Print plurals 
	printfcomplex(f2);
	complex f3 = complexadd(f1,f2);
	printfcomplex(complexadd(f1,f2));
	printfcomplex(f3);
	printfcomplex(complexsub(f1,f2));
	return 0;
}

complex.h

#ifndef __COMPLEX_H__
#define __COMPLEX_H__
 
//  Type declaration 
typedef struct complex
{
	int real;	// Real component 
	int imag;	// Imaginary part 
}complex;
 
/*
	 function ： Plural addition 
	 Parameters ： Two plurals 
	 Return value ： The sum of two plural numbers 
*/
complex complexadd(complex x,complex y);
 
/*
	 function ： Complex subtraction 
	 Parameters ： Two plurals 
	 Return value ： The difference between two complex numbers 
*/
complex complexsub(complex x,complex y);
 
 
/*
	 function ： Print plurals 
	 Parameters ： A plural 
*/
void printfcomplex(complex x);
 
 
#endif

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