3 files changed, 4 insertions, 4 deletions

diff --git a/tools/idevicebackup2.c b/tools/idevicebackup2.c
index a43cbda..d223015 100644
--- a/tools/idevicebackup2.c
+++ b/tools/idevicebackup2.c
@@ -1038,7 +1038,7 @@ static void mb2_copy_directory_by_path(const char *src, const char *dst)
 #define my_getch getch
 #else
 #define BS_CC 0x7f
-static int my_getch()
+static int my_getch(void)
 {
         struct termios oldt, newt;
         int ch;
diff --git a/tools/idevicename.c b/tools/idevicename.c
index c013edc..d94657b 100644
--- a/tools/idevicename.c
+++ b/tools/idevicename.c
@@ -28,7 +28,7 @@
 #include <libimobiledevice/libimobiledevice.h>
 #include <libimobiledevice/lockdown.h>
 
-static void print_usage()
+static void print_usage(void)
 {
         printf("Usage: idevicename [OPTIONS] [NAME]\n");
         printf("Display the device name or set it to NAME if specified.\n");
diff --git a/tools/idevicesyslog.c b/tools/idevicesyslog.c
index 52a4174..7aa6126 100644
--- a/tools/idevicesyslog.c
+++ b/tools/idevicesyslog.c
@@ -48,7 +48,7 @@ static void syslog_callback(char c, void *user_data)
         putchar(c);
 }
 
-static int start_logging()
+static int start_logging(void)
 {
         idevice_error_t ret = idevice_new(&device, udid);
         if (ret != IDEVICE_E_SUCCESS) {
@@ -83,7 +83,7 @@ static int start_logging()
         return 0;
 }
 
-static void stop_logging()
+static void stop_logging(void)
 {
         fflush(stdout);