diff -up pptp-1.7.2/pptp_ctrl.c.prototype pptp-1.7.2/pptp_ctrl.c

--- pptp-1.7.2/pptp_ctrl.c.prototype	2011-12-06 16:41:47.391574067 +0000

+++ pptp-1.7.2/pptp_ctrl.c	2011-12-06 16:41:47.405574074 +0000

@@ -174,7 +174,7 @@ int max_echo_wait = PPTP_TIMEOUT;

 /* Local prototypes */

 static void pptp_reset_timer(void);

-static void pptp_handle_timer();

+static void pptp_handle_timer(void);

 /* Write/read as much as we can without blocking. */

 int pptp_write_some(PPTP_CONN * conn);

 int pptp_read_some(PPTP_CONN * conn);

@@ -1059,7 +1059,7 @@ static void pptp_reset_timer(void)

 /*** Handle keep-alive timer **************************************************/

-static void pptp_handle_timer()

+static void pptp_handle_timer(void)

 {

     int i;

     /* "Keep Alives and Timers, 1": check connection state */

diff -up pptp-1.7.2/pptp_gre.c.prototype pptp-1.7.2/pptp_gre.c

--- pptp-1.7.2/pptp_gre.c.prototype	2011-12-06 16:41:47.392574067 +0000

+++ pptp-1.7.2/pptp_gre.c	2011-12-06 16:45:34.605691678 +0000

@@ -71,7 +71,7 @@ void print_packet(int fd, void *pack, un

 #endif

 /*** time_now_usecs ***********************************************************/

-uint64_t time_now_usecs()

+uint64_t time_now_usecs(void)

 {

     struct timeval tv;

     gettimeofday(&tv, NULL);

diff -up pptp-1.7.2/pptp_quirks.c.prototype pptp-1.7.2/pptp_quirks.c

--- pptp-1.7.2/pptp_quirks.c.prototype	2008-05-14 07:33:55.000000000 +0100

+++ pptp-1.7.2/pptp_quirks.c	2011-12-06 16:41:47.405574074 +0000

@@ -30,7 +30,7 @@ int set_quirk_index(int index)

     return -1;

 }

-int get_quirk_index()

+int get_quirk_index(void)

 {

     return quirk_index;

 }

diff -up pptp-1.7.2/pptp_quirks.h.prototype pptp-1.7.2/pptp_quirks.h

--- pptp-1.7.2/pptp_quirks.h.prototype	2008-05-14 07:33:55.000000000 +0100

+++ pptp-1.7.2/pptp_quirks.h	2011-12-06 16:41:47.406574074 +0000

@@ -53,7 +53,7 @@ int set_quirk_index(int index);

 /* get the global quirk index. return the index on success,

    -1 if no quirk is defined */

-int get_quirk_index();

+int get_quirk_index(void);

 #endif /* INC_PPTP_QUIRKS_H */

diff -up pptp-1.7.2/pqueue.c.prototype pptp-1.7.2/pqueue.c

--- pptp-1.7.2/pqueue.c.prototype	2011-12-06 16:41:47.392574067 +0000

+++ pptp-1.7.2/pqueue.c	2011-12-06 16:41:47.406574074 +0000

@@ -217,7 +217,7 @@ int pqueue_del (pqueue_t *point) {

-pqueue_t *pqueue_head () {

+pqueue_t *pqueue_head (void) {

   return pq_head;

 }

diff -up pptp-1.7.2/pqueue.h.prototype pptp-1.7.2/pqueue.h

--- pptp-1.7.2/pqueue.h.prototype	2011-12-06 16:41:47.392574067 +0000

+++ pptp-1.7.2/pqueue.h	2011-12-06 16:41:47.407574075 +0000

@@ -24,7 +24,7 @@ typedef struct pqueue {

 int       pqueue_add  (u_int32_t seq, unsigned char *packet, int packlen);

 int       pqueue_del  (pqueue_t *point);

-pqueue_t *pqueue_head ();

+pqueue_t *pqueue_head (void);

 int       pqueue_expiry_time (pqueue_t *entry);

 #endif /* PQUEUE_H */

diff -up pptp-1.7.2/routing.c.prototype pptp-1.7.2/routing.c

--- pptp-1.7.2/routing.c.prototype	2011-12-06 16:41:47.388574065 +0000

+++ pptp-1.7.2/routing.c	2011-12-06 16:41:47.407574075 +0000

@@ -123,7 +123,7 @@ void routing_init(char *ip) {

 #endif /* Solaris */

 }

-void routing_start() {

+void routing_start(void) {

 #if defined (__SVR4) && defined (__sun) /* Solaris */

   if ( ! dorouting )

      return;

@@ -153,7 +153,7 @@ void routing_start() {

 #endif /* Solaris */

 }

-void routing_end() {

+void routing_end(void) {

 #if defined (__SVR4) && defined (__sun) /* Solaris */

   if ( ! dorouting)

     return;

diff -up pptp-1.7.2/routing.h.prototype pptp-1.7.2/routing.h

--- pptp-1.7.2/routing.h.prototype	2008-05-14 07:33:55.000000000 +0100

+++ pptp-1.7.2/routing.h	2011-12-06 16:41:47.407574075 +0000

@@ -1,3 +1,3 @@

 void routing_init(char *ip);

-void routing_start();

-void routing_end();

+void routing_start(void);

+void routing_end(void);

diff -up pptp-1.7.2/test.c.prototype pptp-1.7.2/test.c

--- pptp-1.7.2/test.c.prototype	2011-12-06 16:41:47.393574067 +0000

+++ pptp-1.7.2/test.c	2011-12-06 16:41:47.408574076 +0000

@@ -171,7 +171,7 @@ static ssize_t write_reordered(int fd, c

   }

 }

-struct test_redirections *test_redirections()

+struct test_redirections *test_redirections(void)

 {

   static struct test_redirections *my = NULL;

diff -up pptp-1.7.2/test.h.prototype pptp-1.7.2/test.h

--- pptp-1.7.2/test.h.prototype	2008-05-14 07:33:55.000000000 +0100

+++ pptp-1.7.2/test.h	2011-12-06 16:41:47.408574076 +0000

@@ -2,4 +2,4 @@ struct test_redirections {

   ssize_t (*write)(int fd, const void *buf, size_t count);

 };

-struct test_redirections *test_redirections();

+struct test_redirections *test_redirections(void);

diff -up pptp-1.7.2/util.c.prototype pptp-1.7.2/util.c

--- pptp-1.7.2/util.c.prototype	2011-12-06 16:41:47.396574070 +0000

+++ pptp-1.7.2/util.c	2011-12-06 16:41:47.409574076 +0000

@@ -87,7 +87,7 @@ int file2fd(const char *path, const char

 static int sigpipe[2];

 /* create a signal pipe, returns 0 for success, -1 with errno for failure */

-int sigpipe_create()

+int sigpipe_create(void)

 {

   int rc;

@@ -133,20 +133,20 @@ void sigpipe_assign(int signum)

 }

 /* return the signal pipe read file descriptor for select(2) */

-int sigpipe_fd()

+int sigpipe_fd(void)

 {

   return sigpipe[0];

 }

 /* read and return the pending signal from the pipe */

-int sigpipe_read()

+int sigpipe_read(void)

 {

   int signum;

   read(sigpipe[0], &signum, sizeof(signum));

   return signum;

 }

-void sigpipe_close()

+void sigpipe_close(void)

 {

   close(sigpipe[0]);

   close(sigpipe[1]);

diff -up pptp-1.7.2/util.h.prototype pptp-1.7.2/util.h

--- pptp-1.7.2/util.h.prototype	2011-12-06 16:41:47.396574070 +0000

+++ pptp-1.7.2/util.h	2011-12-06 16:41:47.409574076 +0000

@@ -35,7 +35,7 @@ int file2fd(const char *path, const char

 /* signal to pipe delivery implementation */

 /* create a signal pipe, returns 0 for success, -1 with errno for failure */

-int sigpipe_create();

+int sigpipe_create(void);

 /* generic handler for signals, writes signal number to pipe */

 void sigpipe_handler(int signum);

@@ -44,11 +44,11 @@ void sigpipe_handler(int signum);

 void sigpipe_assign(int signum);

 /* return the signal pipe read file descriptor for select(2) */

-int sigpipe_fd();

+int sigpipe_fd(void);

 /* read and return the pending signal from the pipe */

-int sigpipe_read();

+int sigpipe_read(void);

-void sigpipe_close();

+void sigpipe_close(void);

 #endif /* INC_UTIL_H */

diff -up pptp-1.7.2/vector.c.prototype pptp-1.7.2/vector.c

--- pptp-1.7.2/vector.c.prototype	2008-05-14 07:33:55.000000000 +0100

+++ pptp-1.7.2/vector.c	2011-12-06 16:41:47.409574076 +0000

@@ -35,7 +35,7 @@ struct vector_struct {

 static struct vector_item *binary_search(VECTOR *v, int key);

 /*** vector_create ************************************************************/

-VECTOR *vector_create()

+VECTOR *vector_create(void)

 {

     const int INITIAL_SIZE = 4;

diff -up pptp-1.7.2/vector.h.prototype pptp-1.7.2/vector.h

--- pptp-1.7.2/vector.h.prototype	2008-05-14 07:33:55.000000000 +0100

+++ pptp-1.7.2/vector.h	2011-12-06 16:41:47.410574077 +0000

@@ -12,7 +12,7 @@

 typedef struct vector_struct VECTOR;

-VECTOR *vector_create();

+VECTOR *vector_create(void);

 void vector_destroy(VECTOR *v);

 int vector_size(VECTOR *v);