Fix -Wimplicit warnings.

1 files changed, 63 insertions, 34 deletions

diff --git a/src/term.c b/src/term.c
index 64f78cc7b02..39aba03da9f 100644
--- a/src/term.c
+++ b/src/term.c
@@ -33,8 +33,10 @@ Boston, MA 02111-1307, USA.  */
 #include "disptab.h"
 #include "termhooks.h"
 #include "keyboard.h"
-
-extern Lisp_Object Fmake_sparse_keymap ();
+#include "dispextern.h"
+#ifdef HAVE_X_WINDOWS
+#include "xterm.h"
+#endif
 
 #define max(a, b) ((a) > (b) ? (a) : (b))
 #define min(a, b) ((a) < (b) ? (a) : (b))
@@ -74,33 +76,33 @@ int no_redraw_on_reenter;
 /* Hook functions that you can set to snap out the functions in this file.
    These are all extern'd in termhooks.h  */
 
-int (*cursor_to_hook) ();
-int (*raw_cursor_to_hook) ();
+void (*cursor_to_hook) P_ ((int, int));
+void (*raw_cursor_to_hook) P_ ((int, int));
 
-int (*clear_to_end_hook) ();
-int (*clear_frame_hook) ();
-int (*clear_end_of_line_hook) ();
+void (*clear_to_end_hook) P_ ((void));
+void (*clear_frame_hook) P_ ((void));
+void (*clear_end_of_line_hook) P_ ((int));
 
-int (*ins_del_lines_hook) ();
+void (*ins_del_lines_hook) P_ ((int, int));
 
-int (*change_line_highlight_hook) ();
-int (*reassert_line_highlight_hook) ();
+void (*change_line_highlight_hook) P_ ((int, int, int));
+void (*reassert_line_highlight_hook) P_ ((int, int));
 
-int (*insert_glyphs_hook) ();
-int (*write_glyphs_hook) ();
-int (*delete_glyphs_hook) ();
+void (*insert_glyphs_hook) P_ ((GLYPH *, int));
+void (*write_glyphs_hook) P_ ((GLYPH *, int));
+void (*delete_glyphs_hook) P_ ((int));
 
-int (*ring_bell_hook) ();
+void (*ring_bell_hook) P_ ((void));
 
-int (*reset_terminal_modes_hook) ();
-int (*set_terminal_modes_hook) ();
-int (*update_begin_hook) ();
-int (*update_end_hook) ();
-int (*set_terminal_window_hook) ();
+void (*reset_terminal_modes_hook) P_ ((void));
+void (*set_terminal_modes_hook) P_ ((void));
+void (*update_begin_hook) P_ ((struct frame *));
+void (*update_end_hook) P_ ((struct frame *));
+void (*set_terminal_window_hook) P_ ((int));
 
-int (*read_socket_hook) ();
+int (*read_socket_hook) P_ ((int, struct input_event *, int, int));
 
-int (*frame_up_to_date_hook) ();
+void (*frame_up_to_date_hook) P_ ((struct frame *));
 
 /* Return the current position of the mouse.
 
@@ -120,19 +122,19 @@ int (*frame_up_to_date_hook) ();
 
    This should clear mouse_moved until the next motion
    event arrives.  */
-void (*mouse_position_hook) ( /* FRAME_PTR *f, int insist,
+void (*mouse_position_hook) P_ ((FRAME_PTR *f, int insist,
                                  Lisp_Object *bar_window,
                                  enum scroll_bar_part *part,
                                  Lisp_Object *x,
                                  Lisp_Object *y,
-                                 unsigned long *time */ );
+                                 unsigned long *time));
 
 /* When reading from a minibuffer in a different frame, Emacs wants
    to shift the highlight from the selected frame to the minibuffer's
    frame; under X, this means it lies about where the focus is.
    This hook tells the window system code to re-decide where to put
    the highlight.  */
-void (*frame_rehighlight_hook) ( /* FRAME_PTR f */ );
+void (*frame_rehighlight_hook) P_ ((FRAME_PTR f));
 
 /* If we're displaying frames using a window system that can stack
    frames on top of each other, this hook allows you to bring a frame
@@ -144,7 +146,7 @@ void (*frame_rehighlight_hook) ( /* FRAME_PTR f */ );
    If RAISE is non-zero, F is brought to the front, before all other
    windows.  If RAISE is zero, F is sent to the back, behind all other
    windows.  */
-void (*frame_raise_lower_hook) ( /* FRAME_PTR f, int raise */ );
+void (*frame_raise_lower_hook) P_ ((FRAME_PTR f, int raise));
 
 /* Set the vertical scroll bar for WINDOW to have its upper left corner
    at (TOP, LEFT), and be LENGTH rows high.  Set its handle to
@@ -152,8 +154,8 @@ void (*frame_raise_lower_hook) ( /* FRAME_PTR f, int raise */ );
    of WHOLE characters, starting at POSITION.  If WINDOW doesn't yet
    have a scroll bar, create one for it.  */
 void (*set_vertical_scroll_bar_hook)
-     ( /* struct window *window,
-          int portion, int whole, int position */ );
+     P_ ((struct window *window,
+          int portion, int whole, int position));
 
 
 /* The following three hooks are used when we're doing a thorough
@@ -176,11 +178,11 @@ void (*set_vertical_scroll_bar_hook)
    If non-zero, this hook should be safe to apply to any frame,
    whether or not it can support scroll bars, and whether or not it is
    currently displaying them.  */
-void (*condemn_scroll_bars_hook)( /* FRAME_PTR *frame */ );
+void (*condemn_scroll_bars_hook) P_ ((FRAME_PTR frame));
 
 /* Unmark WINDOW's scroll bar for deletion in this judgement cycle.
    Note that it's okay to redeem a scroll bar that is not condemned.  */
-void (*redeem_scroll_bar_hook)( /* struct window *window */ );
+void (*redeem_scroll_bar_hook) P_ ((struct window *window));
 
 /* Remove all scroll bars on FRAME that haven't been saved since the
    last call to `*condemn_scroll_bars_hook'.  
@@ -193,7 +195,7 @@ void (*redeem_scroll_bar_hook)( /* struct window *window */ );
    If non-zero, this hook should be safe to apply to any frame,
    whether or not it can support scroll bars, and whether or not it is
    currently displaying them.  */
-void (*judge_scroll_bars_hook)( /* FRAME_PTR *FRAME */ );
+void (*judge_scroll_bars_hook) P_ ((FRAME_PTR FRAME));
 
 
 /* Strings, numbers and flags taken from the termcap entry.  */
@@ -319,6 +321,7 @@ extern char *tgetstr ();
 #define FRAME_TERMCAP_P(_f_) 0
 #endif /* WINDOWSNT */
 
+void
 ring_bell ()
 {
   if (! NILP (Vring_bell_function))
@@ -349,6 +352,7 @@ ring_bell ()
   OUTPUT (TS_visible_bell && visible_bell ? TS_visible_bell : TS_bell);
 }
 
+void
 set_terminal_modes ()
 {
   if (! FRAME_TERMCAP_P (selected_frame))
@@ -362,6 +366,7 @@ set_terminal_modes ()
   losecursor ();
 }
 
+void
 reset_terminal_modes ()
 {
   if (! FRAME_TERMCAP_P (selected_frame))
@@ -383,6 +388,7 @@ reset_terminal_modes ()
   cmputc ('\r');
 }
 
+void
 update_begin (f)
      FRAME_PTR f;
 {
@@ -391,6 +397,7 @@ update_begin (f)
     (*update_begin_hook) (f);
 }
 
+void
 update_end (f)
      FRAME_PTR f;
 {
@@ -406,6 +413,7 @@ update_end (f)
   updating_frame = 0;
 }
 
+void
 set_terminal_window (size)
      int size;
 {
@@ -420,6 +428,7 @@ set_terminal_window (size)
   set_scroll_region (0, specified_window);
 }
 
+void
 set_scroll_region (start, stop)
      int start, stop;
 {
@@ -444,6 +453,7 @@ set_scroll_region (start, stop)
   losecursor ();
 }
 
+void
 turn_on_insert ()
 {
   if (!insert_mode)
@@ -451,6 +461,7 @@ turn_on_insert ()
   insert_mode = 1;
 }
 
+void
 turn_off_insert ()
 {
   if (insert_mode)
@@ -465,6 +476,7 @@ turn_off_insert ()
    These functions are called on all terminals, but do nothing
    on terminals whose standout mode does not work that way.  */
 
+void
 turn_off_highlight ()
 {
   if (TN_standout_width < 0)
@@ -475,6 +487,7 @@ turn_off_highlight ()
     }
 }
 
+void
 turn_on_highlight ()
 {
   if (TN_standout_width < 0)
@@ -489,6 +502,7 @@ turn_on_highlight ()
    empty space inside windows.  What this is,
    depends on the user option inverse-video.  */
 
+void
 background_highlight ()
 {
   if (TN_standout_width >= 0)
@@ -501,7 +515,7 @@ background_highlight ()
 
 /* Set standout mode to the mode specified for the text to be output.  */
 
-static
+static void
 highlight_if_desired ()
 {
   if (TN_standout_width >= 0)
@@ -523,6 +537,7 @@ highlight_if_desired ()
 /* Write a standout marker or end-standout marker at the front of the line
    at vertical position vpos.  */
 
+void
 write_standout_marker (flag, vpos)
      int flag, vpos;
 {
@@ -540,6 +555,7 @@ write_standout_marker (flag, vpos)
    Call this when about to modify line at position VPOS
    and not change whether it is highlighted.  */
 
+void
 reassert_line_highlight (highlight, vpos)
      int highlight;
      int vpos;
@@ -561,6 +577,7 @@ reassert_line_highlight (highlight, vpos)
 /* Call this when about to modify line at position VPOS
    and change whether it is highlighted.  */
 
+void
 change_line_highlight (new_highlight, vpos, first_unused_hpos)
      int new_highlight, vpos, first_unused_hpos;
 {
@@ -597,6 +614,7 @@ change_line_highlight (new_highlight, vpos, first_unused_hpos)
 
 /* Move to absolute position, specified origin 0 */
 
+void
 cursor_to (row, col)
      int row, col;
 {
@@ -626,6 +644,7 @@ cursor_to (row, col)
 
 /* Similar but don't take any account of the wasted characters.  */
 
+void
 raw_cursor_to (row, col)
      int row, col;
 {
@@ -646,6 +665,7 @@ raw_cursor_to (row, col)
 /* Erase operations */
 
 /* clear from cursor to end of frame */
+void
 clear_to_end ()
 {
   register int i;
@@ -673,6 +693,7 @@ clear_to_end ()
 
 /* Clear entire frame */
 
+void
 clear_frame ()
 {
   if (clear_frame_hook
@@ -702,6 +723,7 @@ clear_frame ()
 
    Note that the cursor may be moved.  */
 
+void
 clear_end_of_line (first_unused_hpos)
      int first_unused_hpos;
 {
@@ -719,6 +741,7 @@ clear_end_of_line (first_unused_hpos)
 
    Note that the cursor may be moved, on terminals lacking a `ce' string.  */
 
+void
 clear_end_of_line_raw (first_unused_hpos)
      int first_unused_hpos;
 {
@@ -849,6 +872,7 @@ encode_terminal_code (src, dst, src_len, dst_len, consumed)
 }
 
 
+void
 write_glyphs (string, len)
      register GLYPH *string;
      register int len;
@@ -922,6 +946,7 @@ write_glyphs (string, len)
 
 /* If start is zero, insert blanks instead of a string at start */
  
+void
 insert_glyphs (start, len)
      register GLYPH *start;
      register int len;
@@ -996,6 +1021,7 @@ insert_glyphs (start, len)
   cmcheckmagic ();
 }
 
+void
 delete_glyphs (n)
      register int n;
 {
@@ -1033,6 +1059,7 @@ delete_glyphs (n)
 
 /* Insert N lines at vpos VPOS.  If N is negative, delete -N lines.  */
 
+void
 ins_del_lines (vpos, n)
      int vpos, n;
 {
@@ -1093,7 +1120,7 @@ ins_del_lines (vpos, n)
 
   if (TN_standout_width >= 0)
     {
-      register lower_limit
+      register int lower_limit
         = (scroll_region_ok
            ? specified_window
            : FRAME_HEIGHT (selected_frame));
@@ -1233,8 +1260,7 @@ calculate_ins_del_char_costs (frame)
     *p++ = (ins_startup_cost += ins_cost_per_char);
 }
 
-extern do_line_insertion_deletion_costs ();
-
+void
 calculate_costs (frame)
      FRAME_PTR frame;
 {
@@ -1534,6 +1560,7 @@ term_get_fkeys_1 ()
 }
 
 
+void
 term_init (terminal_type)
      char *terminal_type;
 {
@@ -1904,6 +1931,7 @@ to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.",
 }
 
 /* VARARGS 1 */
+void
 fatal (str, arg1, arg2)
      char *str, *arg1, *arg2;
 {
@@ -1914,6 +1942,7 @@ fatal (str, arg1, arg2)
   exit (1);
 }
 
+void
 syms_of_term ()
 {
   DEFVAR_BOOL ("system-uses-terminfo", &system_uses_terminfo,