C: roman numerals

c/roman-numerals/src/roman_numerals.h

@@ -0,0 +1,20 @@
+#ifndef ROMAN_NUMERALS_H
+#define ROMAN_NUMERALS_H
+
+#define ROMAN_RULE 0
+
+char *to_roman_numeral(unsigned int number);
+
+/* 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