C: leap

c/leap/src/leap.c

@@ -0,0 +1,24 @@
+#include "leap.h"
+
+/* already dont in meetup exercise */
+bool leap_year(int y)
+{
+    return ((y % 4) ||
+            (y % 400 && !(y % 100)))? false: true;
+}
+
+
+/* See GNUmakefile below for explanation
+ * https://github.com/braoult/exercism/blob/master/c/templates/GNUmakefile
+ */
+#ifdef UNIT_TEST
+int main(int ac, char **av)
+{
+    int arg=1, i;
+
+    for (; arg<ac; ++arg) {
+        i=atoi(av[arg]);
+        printf("leap_year(%d)=%d\n", i, leap_year(i));
+    }
+}
+#endif

c/leap/src/leap.h

@@ -0,0 +1,20 @@
+#ifndef LEAP_H
+#define LEAP_H
+
+#include <stdbool.h>
+
+bool leap_year(int year);
+
+/* See GNUmakefile below for explanation
+ * https://github.com/braoult/exercism/blob/master/c/templates/GNUmakefile
+ */
+#if defined UNIT_TEST || defined DEBUG
+#include <stdio.h>
+#include <stdlib.h>
+#endif
+#ifdef  TESTALL
+#undef  TEST_IGNORE
+#define TEST_IGNORE() {}
+#endif
+
+#endif