static keyword on prototype, but function missing it

error 28 in line 4090 of "invent.c": redeclaration of var <adjust_ok> with new storage-class
error 28 in line 4100 of "invent.c": redeclaration of var <adjust_gold_ok> with new storage-class
error 28 in line 610 of "mdlib.c": redeclaration of var <count_and_validate_winopts> with new storage-class
error 28 in line 3846 of "options.c": redeclaration of var <pfxfn_cond_> with new storage-class
error 28 in line 3886 of "options.c": redeclaration of var <pfxfn_font> with new storage-class
error 28 in line 5307 of "options.c": redeclaration of var <determine_ambiguities> with new storage-class
error 28 in line 5343 of "options.c": redeclaration of var <length_without_val> with new storage-class
error 28 in line 6853 of "options.c": redeclaration of var <illegal_menu_cmd_key> with new storage-class
error 28 in line 7708 of "options.c": redeclaration of var <count_apes> with new storage-class
error 28 in line 2686 of "pickup.c": redeclaration of var <stash_ok> with new storage-class
error 28 in line 1008 of "read.c": redeclaration of var <can_center_cloud> with new storage-class
error 28 in line 31 of "rnd.c": redeclaration of var <whichrng> with new storage-class

src/invent.c

@@ -4085,7 +4085,7 @@ check_invent_gold(const char *why) /* 'why' == caller in case of warning */
 }
 
 /* normal getobj callback for item to #adjust; excludes gold */
-int
+static int
 adjust_ok(struct obj *obj)
 {
     if (!obj || obj->oclass == COIN_CLASS)
@@ -4095,7 +4095,7 @@ adjust_ok(struct obj *obj)
 }
 
 /* getobj callback for item to #adjust if gold is wonky; allows gold */
-int
+static int
 adjust_gold_ok(struct obj *obj)
 {
     if (!obj)

src/mdlib.c

@@ -605,7 +605,7 @@ static const char *const build_opts[] = {
     "and basic NetHack features"
 };
 
-int
+static int
 count_and_validate_winopts(void)
 {
     int i, cnt = 0;

src/options.c

@@ -3840,7 +3840,7 @@ optfn_windowtype(int optidx, int req, boolean negated UNUSED,
  *    Prefix-handling functions
  */
 
-int
+static int
 pfxfn_cond_(int optidx UNUSED, int req, boolean negated,
             char *opts, char *op UNUSED)
 {
@@ -3881,7 +3881,7 @@ pfxfn_cond_(int optidx UNUSED, int req, boolean negated,
     return optn_ok;
 }
 
-int
+static int
 pfxfn_font(int optidx, int req, boolean negated, char *opts, char *op)
 {
     int opttype = -1;
@@ -5302,7 +5302,7 @@ bad_negation(const char *optname, boolean with_parameter)
 /* go through all of the options and set the minmatch value
    based on what is needed for uniqueness of each individual
    option. Set a minimum of 3 characters. */
-void
+static void
 determine_ambiguities(void)
 {
     int i, j, len, tmpneeded, needed[SIZE(allopt)];
@@ -5338,7 +5338,7 @@ determine_ambiguities(void)
     }
 }
 
-int
+static int
 length_without_val(const char *user_string, int len)
 {
     const char *p = index(user_string, ':'),
@@ -6848,7 +6848,7 @@ parse_role_opts(int optidx, boolean negated, const char *fullname,
 }
 
 /* Check if character c is illegal as a menu command key */
-boolean
+static boolean
 illegal_menu_cmd_key(uchar c)
 {
     if (c == 0 || c == '\r' || c == '\n' || c == '\033' || c == ' '
@@ -7703,7 +7703,7 @@ count_cond(void)
     return cnt;
 }
 
-int
+static int
 count_apes(void)
 {
     int numapes = 0;

src/pickup.c

@@ -2681,7 +2681,7 @@ u_handsy(void)
 }
 
 /* getobj callback for object to be stashed into a container */
-int
+static int
 stash_ok(struct obj *obj)
 {
     if (!obj)

src/read.c

@@ -1003,7 +1003,7 @@ valid_cloud_pos(int x, int y)
 /* Callback for getpos_sethilite, also used in determining whether a scroll
  * should have its regular effects, or not because it was out of range.
  */
-boolean
+static boolean
 can_center_cloud(int x, int y)
 {
     if (!valid_cloud_pos(x, y))

src/rnd.c

@@ -26,7 +26,7 @@ static struct rnglist_t rnglist[] = {
     { rn2_on_display_rng, FALSE, { 0 } },       /* DISP */
 };
 
-int
+static int
 whichrng(int (*fn)(int))
 {
     int i;