convert into static declarations where possible

include/palerain.h

@@ -204,12 +204,9 @@ boyermoore_horspool_memmem(const unsigned char* haystack, size_t hlen,
                            const unsigned char* needle,   size_t nlen);
 
 
-extern void* pongo_usb_callback(stuff_t* arg);
 usb_ret_t USBControlTransfer(usb_device_handle_t handle, uint8_t bmRequestType, uint8_t bRequest, uint16_t wValue, uint16_t wIndex, uint32_t wLength, void *data, uint32_t *wLenDone);
 const char *usb_strerror(usb_ret_t err);
 int wait_for_pongo(void);
-int upload_pongo_file(usb_device_handle_t, unsigned char*, unsigned int);
-int issue_pongo_command(usb_device_handle_t, char*);
 int tui(void);
 int optparse(int argc, char* argv[]);
 
@@ -221,7 +218,6 @@ bool set_found_pongo(bool val);
 uint64_t get_ecid_wait_for_dfu(void);
 uint64_t set_ecid_wait_for_dfu(uint64_t ecid);
 
-void write_stdout(char *buf, uint32_t len);
 void io_start(stuff_t *stuff);
 void io_stop(stuff_t *stuff);
 

include/tui.h

@@ -102,12 +102,9 @@ void tui_draw_rectangle(int x1, int y1, int x2, int y2);
 #define TUI_VERSION "Unknown Version"
 #endif
 
-extern int tui_state;
 extern int tui_x_offset;
 extern int tui_y_offset;
 
-extern bool tui_can_start;
-
 extern int tui_mouse_x;
 extern int tui_mouse_y;
 
@@ -167,8 +164,6 @@ struct tui_connected_device {
 
 extern struct tui_connected_device *tui_connected_devices;
 
-int tui_compare_versions(const char *firstVersion, const char *secondVersion);
-
 void tui_jailbreak(void);
 extern bool tui_is_jailbreaking;
 extern int tui_jailbreak_stage;
@@ -179,7 +174,6 @@ void tui_jailbreak_status_changed(void);
 extern bool tui_is_restarting;
 void tui_terminate(int sig);
 
-extern bool tui_options_allow_untested;
 extern bool tui_options_safe_mode;
 extern bool tui_options_verbose_boot;
 extern bool tui_options_force_revert;