lots of log message and fixed bad_file_descriptor issue

srcs/utils.hpp

@@ -7,6 +7,7 @@
 # include <string>
 # include <sstream>
 # include <iostream>
+# include <iomanip>		// setw
 # include <cstdlib>		// strtol, strtoul
 # include <climits>		// LONG_MAX
 # include <cerrno>		// errno
@@ -31,6 +32,12 @@
 **	CRLF_SIZE*2
 */
 
+enum family_state
+{
+	PARENT,
+	CHILD
+};
+
 enum file_type
 {
 	IS_OTHER,