diff --git a/include/land.h b/include/land.h
index f5c405c3..343d4636 100644
--- a/include/land.h
+++ b/include/land.h
@@ -69,7 +69,7 @@ struct lndstr {
     u_char lnd_fuel;		/* How much fuel do we have */
     u_char lnd_nxlight;		/* How many xlight planes on board? */
     int lnd_rflags;		/* When do I retreat? */
-    s_char lnd_rpath[RET_LEN];	/* retreat path */
+    char lnd_rpath[RET_LEN];	/* retreat path */
     u_char lnd_rad_max;		/* max radius for this unit */
     u_char lnd_scar;		/* how experienced the unit is (not used) */
     short lnd_item[I_MAX+1];	/* amount of items on board */
diff --git a/include/nat.h b/include/nat.h
index 4530af91..cd0aa6eb 100644
--- a/include/nat.h
+++ b/include/nat.h
@@ -62,11 +62,11 @@ struct natstr {
     natid nat_cnum;		/* our country number */
     /* end of part matching struct genitem */
     s_char nat_stat;		/* inuse, norm, god, abs */
-    s_char nat_cnam[20];	/* country name */
-    s_char nat_pnam[20];	/* representative */
-    s_char nat_hostaddr[32];	/* host addr of last user */
-    s_char nat_hostname[512];	/* hostname of last user */
-    s_char nat_userid[32];	/* userid of last user */
+    char nat_cnam[20];		/* country name */
+    char nat_pnam[20];		/* representative */
+    char nat_hostaddr[32];	/* host addr of last user */
+    char nat_hostname[512];	/* hostname of last user */
+    char nat_userid[32];	/* userid of last user */
     coord nat_xstart, nat_ystart;	/* cap location at start */
     coord nat_xcap, nat_ycap;	/* cap location in abs coords */
     coord nat_xorg, nat_yorg;	/* origin location in abs coords */
diff --git a/include/player.h b/include/player.h
index da42aa01..75b185be 100644
--- a/include/player.h
+++ b/include/player.h
@@ -47,10 +47,10 @@
 struct player {
     struct emp_qelem queue;
     empth_t *proc;
-    s_char hostaddr[32];
-    s_char hostname[512];
-    s_char client[128];
-    s_char userid[32];
+    char hostaddr[32];
+    char hostname[512];		/* may be empty */
+    char client[128];		/* may be empty */
+    char userid[32];		/* may be empty */
     int validated;
     natid cnum;
     int state;
diff --git a/include/ship.h b/include/ship.h
index 56a2b966..398ddadc 100644
--- a/include/ship.h
+++ b/include/ship.h
@@ -94,9 +94,9 @@ struct shpstr {
     time_t shp_access;		/* Last time mob was updated (MOB_ACCESS) */
     time_t shp_timestamp;	/* Last time this ship was touched. */
     u_char shp_mobquota;	/* mobility quota */
-    s_char shp_path[MAXSHPPATH];
+    char shp_path[MAXSHPPATH];
     short shp_follow;
-    s_char shp_name[MAXSHPNAMLEN];	/* name set with the "name" command */
+    char shp_name[MAXSHPNAMLEN]; /* name set with the "name" command */
     u_char shp_fuel;		/* How much fuel do we have */
     u_char shp_nchoppers;	/* How many choppers on board? */
     u_char shp_nxlight;		/* How many xlight planes on board? */
@@ -104,7 +104,7 @@ struct shpstr {
     coord shp_orig_y;		/* Where we were built */
     natid shp_orig_own;		/* Who built us */
     int shp_rflags;		/* When do I retreat? */
-    s_char shp_rpath[RET_LEN];	/* retreat path */
+    char shp_rpath[RET_LEN];	/* retreat path */
 };
 
 struct fltelemstr {