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    array_of_routines.c array_utils.h print.c arrays_and_pointers.c arrays_basics.c command_line.c fibonacci.c hello_world.c hello_world_correct.c linked_list.c malloc_stuff.c nans_and_other_oddities.c rationals_with_structs.c routine_pointers.c experiments.c naive_sequence_of_longs.c naive_sequence_of_longs.h sequence_of_longs.c sequence_of_longs.h tests.c sizeof_and_arrays.c array_of_doubles.c array_of_doubles.h perform_experiments.c sorting_algorithms.c sorting_algorithms.h string_io.c
  • ¶

    rationals_with_structs.c – Racionais com estruturas C

  • ¶ 
    #include <stdio.h>
#include <stdlib.h>

struct rational {
	int numerator;
	int denominator;
};

struct rational RAT_symmetric_of(struct rational r)
{
	struct rational result = {
		numerator: -r.numerator,
		denominator: r.denominator
	};
	return result;
}

void RAT_println(struct rational r)
{
	printf("%d/%d\n", r.numerator, r.denominator);
}

int main(void)
{
	struct rational r1 = { numerator: 1, denominator: 2};
  • ¶

    rational r2 = -r1;

    	struct rational r2 = RAT_symmetric_of(r1);

	RAT_println(r1);
	RAT_println(r2);

	return EXIT_SUCCESS;
}