Exemplo do uso de macros em C

exemplo_macros.c

#include <stdio.h>

#define SOMA(x,y) ((x) + (y))
#define SUB(x,y) ((x) - (y))
#define DIV(x,y) ((x) / (y))
#define MULT(x,y) ((x) * (y))

int main()
{
	printf("Soma: %d\n", SOMA(10, 5));
	printf("Subtracao: %d\n", SUB(10, 5));
	printf("Divisao: %d\n", DIV(10, 5));
	printf("Multiplicacao: %d\n", MULT(10, 5));

	return 0;
}