tweaks: rename three functions, to be shorter or clearer

src/files.c

@@ -597,7 +597,7 @@ void prepare_for_display(void)
 #ifdef ENABLE_MULTIBUFFER
 /* Switch to a neighbouring file buffer; to the next if to_next is TRUE;
  * otherwise, to the previous one. */
-void switch_to_prevnext_buffer(bool to_next)
+void switch_to_adjacent_buffer(bool to_next)
 {
     /* If only one file buffer is open, say so and get out. */
     if (openfile == openfile->next && !inhelp) {
@@ -640,15 +640,15 @@ void switch_to_prevnext_buffer(bool to_next)
 }
 
 /* Switch to the previous entry in the openfile filebuffer. */
-void switch_to_prev_buffer_void(void)
+void switch_to_prev_buffer(void)
 {
-    switch_to_prevnext_buffer(FALSE);
+    switch_to_adjacent_buffer(FALSE);
 }
 
 /* Switch to the next entry in the openfile filebuffer. */
-void switch_to_next_buffer_void(void)
+void switch_to_next_buffer(void)
 {
-    switch_to_prevnext_buffer(TRUE);
+    switch_to_adjacent_buffer(TRUE);
 }
 
 /* Delete an entry from the circular list of open files, and switch to the
@@ -667,7 +667,7 @@ bool close_buffer(void)
 #endif
 
     /* Switch to the next file buffer. */
-    switch_to_prevnext_buffer(TRUE);
+    switch_to_adjacent_buffer(TRUE);
 
     /* Close the file buffer we had open before. */
     unlink_opennode(openfile->prev);

src/global.c

@@ -886,9 +886,9 @@ void shortcut_init(void)
 	N_("Last Line"), IFSCHELP(nano_lastline_msg), BLANKAFTER, VIEW);
 
 #ifdef ENABLE_MULTIBUFFER
-    add_to_funcs(switch_to_prev_buffer_void, MMAIN,
+    add_to_funcs(switch_to_prev_buffer, MMAIN,
 	N_("Prev File"), IFSCHELP(nano_prevfile_msg), TOGETHER, VIEW);
-    add_to_funcs(switch_to_next_buffer_void, MMAIN,
+    add_to_funcs(switch_to_next_buffer, MMAIN,
 	N_("Next File"), IFSCHELP(nano_nextfile_msg), BLANKAFTER, VIEW);
 #endif
 
@@ -1139,8 +1139,8 @@ void shortcut_init(void)
 	add_to_sclist(MSOME, "^\xE2\x86\x90", CONTROL_LEFT, do_prev_word_void, 0);
 	add_to_sclist(MSOME, "^\xE2\x86\x92", CONTROL_RIGHT, do_next_word_void, 0);
 #ifdef ENABLE_MULTIBUFFER
-	add_to_sclist(MMAIN, "M-\xE2\x86\x90", ALT_LEFT, switch_to_prev_buffer_void, 0);
-	add_to_sclist(MMAIN, "M-\xE2\x86\x92", ALT_RIGHT, switch_to_next_buffer_void, 0);
+	add_to_sclist(MMAIN, "M-\xE2\x86\x90", ALT_LEFT, switch_to_prev_buffer, 0);
+	add_to_sclist(MMAIN, "M-\xE2\x86\x92", ALT_RIGHT, switch_to_next_buffer, 0);
 #endif
 #ifndef NANO_TINY
 	add_to_sclist(MMAIN|MHELP|MBROWSER, "M-\xE2\x86\x91", ALT_UP, do_findprevious, 0);
@@ -1191,10 +1191,10 @@ void shortcut_init(void)
     add_to_sclist(MMAIN, "M-=", 0, do_scroll_down, 0);
 #endif
 #ifdef ENABLE_MULTIBUFFER
-    add_to_sclist(MMAIN, "M-<", 0, switch_to_prev_buffer_void, 0);
-    add_to_sclist(MMAIN, "M-,", 0, switch_to_prev_buffer_void, 0);
-    add_to_sclist(MMAIN, "M->", 0, switch_to_next_buffer_void, 0);
-    add_to_sclist(MMAIN, "M-.", 0, switch_to_next_buffer_void, 0);
+    add_to_sclist(MMAIN, "M-<", 0, switch_to_prev_buffer, 0);
+    add_to_sclist(MMAIN, "M-,", 0, switch_to_prev_buffer, 0);
+    add_to_sclist(MMAIN, "M->", 0, switch_to_next_buffer, 0);
+    add_to_sclist(MMAIN, "M-.", 0, switch_to_next_buffer, 0);
 #endif
     add_to_sclist(MMOST, "M-V", 0, do_verbatim_input, 0);
 #ifndef NANO_TINY
@@ -1566,9 +1566,9 @@ sc *strtosc(const char *input)
 	s->scfunc = do_last_line;
 #ifdef ENABLE_MULTIBUFFER
     else if (!strcasecmp(input, "prevbuf"))
-	s->scfunc = switch_to_prev_buffer_void;
+	s->scfunc = switch_to_prev_buffer;
     else if (!strcasecmp(input, "nextbuf"))
-	s->scfunc = switch_to_next_buffer_void;
+	s->scfunc = switch_to_next_buffer;
 #endif
     else if (!strcasecmp(input, "verbatim"))
 	s->scfunc = do_verbatim_input;

src/help.c

@@ -256,7 +256,7 @@ void do_help(void)
 #endif
 
     /* Switch back to the buffer we were invoked from. */
-    switch_to_prev_buffer_void();
+    switch_to_prev_buffer();
 
     if (ISSET(NO_HELP)) {
 	currmenu = oldmenu;

src/proto.h

@@ -274,8 +274,8 @@ void replace_marked_buffer(const char *filename, filestruct *top, size_t top_x,
 #endif
 void prepare_for_display(void);
 #ifdef ENABLE_MULTIBUFFER
-void switch_to_prev_buffer_void(void);
-void switch_to_next_buffer_void(void);
+void switch_to_prev_buffer(void);
+void switch_to_next_buffer(void);
 bool close_buffer(void);
 #endif
 void read_file(FILE *f, int fd, const char *filename, bool undoable,