style and comments for threadpool.c

lib/utils/util.h

@@ -1,16 +1,16 @@
 #ifndef _UTIL_H
 #define _UTIL_H
 
-#include <stdarg.h>
 #include <sys/types.h>
 #include <sys/stat.h>
+#include <errno.h>
 #include <fcntl.h>
-#include <unistd.h>
+#include <pthread.h>
+#include <stdarg.h>
+#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <stdio.h>
-#include <pthread.h>
-#include <errno.h>
+#include <unistd.h>
 
 #if !defined(BUFSIZE)
 #define BUFSIZE 256
@@ -62,8 +62,7 @@
     }
 
 /**
- * \brief Procedura di utilita' per la stampa degli errori
- *
+ * @brief Procedura di utilita' per la stampa degli errori
  */
 static inline void print_error(const char * str, ...) {
     const char err[]="ERROR: ";