first flow of .h, one main() compilng

defines.h

@@ -0,0 +1,31 @@
+/*
+ * defines
+ * Création et manipulation de sockets
+ * Thomas Nemeth -- le 15 juin 2001
+ *
+ */
+
+#ifndef GUINNESS_DEFINES
+#define GUINNESS_DEFINES
+
+#include <assert.h>
+
+#define DEFAULT_SERVER_PORT 1664
+#define DEFAULT_DRINK  "guinness"
+#define DEFAULT_LOGOUT "Bye bye..."
+#define DEFAULT_PSEUDO "toto"
+
+#define SEP "\n"
+
+#define MAXSTRLEN           4096
+
+#ifndef TRUE
+#define TRUE                1
+#define FALSE               0
+#endif
+
+/* Important macros */
+#define MY_ALLOC(var, nb, type) \
+    ((var) = malloc((nb)*sizeof(type)), assert((var) != NULL))
+
+#endif