Rename the two files to follow file naming conventions

src/obilittlebigman.c

@@ -5,9 +5,9 @@
  *      Author: coissac
  */
 
-#include <littlebigman.h>
+#include "obilittlebigman.h"
 
-bool islittlend()
+bool obi_is_little_end()
 {
     union { int entier;
             char caractere[4] ;

src/obilittlebigman.h

@@ -5,8 +5,8 @@
  *      Author: coissac
  */
 
-#ifndef LITTLEBIGMAN_H_
-#define LITTLEBIGMAN_H_
+#ifndef OBILITTLEBIGMAN_H_
+#define OBILITTLEBIGMAN_H_
 
 #include <stdbool.h>
 
@@ -45,10 +45,11 @@
  * 		- `true`  if the architecture is little endian
  * 		- `false` if the architecture is big endian
  *
- * 	@author Eric Coissac (coissac)
- * 	@created on 23/05/2015
+ * @date 23/05/2015
+ * 		@author Eric Coissac (coissac)
+ *		First implementation
  */
-bool islittlend();
+bool obi_is_little_end();
 
 
-#endif /* LITTLEBIGMAN_H_ */
+#endif /* OBILITTLEBIGMAN_H_ */