Typos

include/extern.h

@@ -9,7 +9,7 @@
  * The placements of the NONNULLARG* and NONNULLPTRS macros were done
  * using the following rules:
  * These were the rules that were followed when determining which function
- * parameters should be nonnul, and which are nullable:
+ * parameters should be nonnull, and which are nullable:
  *
  *   1. If the first use of, or reference to, the pointer parameter in the
  *      function is a dereference, then the parameter will be considered

src/allmain.c

@@ -796,7 +796,7 @@ newgame(void)
     return;
 }
 
-/* show "welcome [back] to nethack" message at program startup */
+/* show "welcome [back] to NetHack" message at program startup */
 void
 welcome(boolean new_game) /* false => restoring an old game */
 {

src/apply.c

@@ -984,7 +984,7 @@ beautiful(void)
     const char *res;
     int cha = ACURR(A_CHA);
 
-    /* don't bother complaining about the sexism; nethack is not real life */
+    /* don't bother complaining about the sexism; NetHack is not real life */
     res = ((cha >= 25) ? "sublime" /* 25 is the maximum possible */
            : (cha >= 19) ? "splendorous" /* note: not "splendiferous" */
              : (cha >= 16) ? ((poly_gender() == 1) ? "beautiful" : "handsome")
@@ -3369,7 +3369,7 @@ use_pole(struct obj *obj, boolean autohit)
      *      .52125.
      *      .85458.
      *      ...9...
-     *  (Note: no roles in nethack can become expert or better
+     *  (Note: no roles in NetHack can become expert or better
      *  for polearm skill; Yeoman in slash'em can become expert.)
      */
     min_range = 4;
@@ -3700,7 +3700,7 @@ use_grapple(struct obj *obj)
         int clr = NO_COLOR;
 
         any = cg.zeroany; /* set all bits to zero */
-        any.a_int = 1; /* use index+1 (cant use 0) as identifier */
+        any.a_int = 1; /* use index+1 (can't use 0) as identifier */
         start_menu(tmpwin, MENU_BEHAVE_STANDARD);
         any.a_int++;
         Sprintf(buf, "an object on the %s", surface(cc.x, cc.y));

src/artifact.c

@@ -1801,7 +1801,7 @@ arti_invoke(struct obj *obj)
 
             any = cg.zeroany; /* set all bits to zero */
             start_menu(tmpwin, MENU_BEHAVE_STANDARD);
-            /* use index+1 (cant use 0) as identifier */
+            /* use index+1 (can't use 0) as identifier */
             for (i = num_ok_dungeons = 0; i < svn.n_dgns; i++) {
                 if (!svd.dungeons[i].dunlev_ureached)
                     continue;

src/dog.c

@@ -939,7 +939,7 @@ dogfood(struct monst *mon, struct obj *obj)
     switch (obj->oclass) {
     case FOOD_CLASS:
         fx = (obj->otyp == CORPSE || obj->otyp == TIN || obj->otyp == EGG)
-                /* corpsenm might be NON_PM (special tin, unhatachable egg) */
+                /* corpsenm might be NON_PM (special tin, unhatchable egg) */
                 ? obj->corpsenm
                 : NON_PM;
         /* mons[NUMMONS] is a valid array entry, though not a valid monster;

src/dogmove.c

@@ -663,7 +663,7 @@ find_targ(
                 /* if a long worm, only accept the head as a target */
                 && targ->mx == curx && targ->my == cury) /* not tail */
                 break;
-            /* If the pet can't see it, it assumes it aint there */
+            /* If the pet can't see it, it assumes it ain't there */
             targ = 0;
         }
     }

src/light.c

@@ -520,7 +520,7 @@ relink_light_sources(boolean ghostly)
                     ls->id.a_monst = find_mid(nid, FM_EVERYWHERE);
                 }
                 if (!ls->id.a_monst)
-                    impossible("relink_light_sources: cant find %c_id %d",
+                    impossible("relink_light_sources: can't find %c_id %d",
                                which, nid);
             } else
                 impossible("relink_light_sources: bad type (%d)", ls->type);

src/mhitu.c

@@ -408,7 +408,7 @@ getmattk(
 
     /* liches have a touch attack for cold damage and also a spell attack;
        they won't use the spell for monster vs monster so become impotent
-       aganst cold resistant foes; change the touch damage from cold to
+       against cold resistant foes; change the touch damage from cold to
        physical if target will resist */
     } else if (indx == 0 && attk->aatyp == AT_TUCH && attk->adtyp == AD_COLD
                && (udefend ? Cold_resistance : resists_cold(mdef))

src/objnam.c

@@ -1060,7 +1060,7 @@ minimal_xname(struct obj *obj)
         bareobj.spe = obj->spe;
 
     bufp = distant_name(&bareobj, xname);
-    /* undo forced setting of bareobj.blessed for cleric (preist[ess]);
+    /* undo forced setting of bareobj.blessed for cleric (priest[ess]);
        bufp is an obuf[] so a pointer into the middle of that is viable */
     if (!strncmp(bufp, "uncursed ", 9))
         bufp += 9;

src/timeout.c

@@ -2703,7 +2703,7 @@ relink_timers(boolean ghostly)
                     nid = curr->arg.a_uint;
                 curr->arg.a_obj = find_oid(nid);
                 if (!curr->arg.a_obj)
-                    panic("cant find o_id %d", nid);
+                    panic("can't find o_id %d", nid);
                 curr->needs_fixup = 0;
             } else if (curr->kind == TIMER_MONSTER) {
                 panic("relink_timers: no monster timer implemented");