diff --git a/hawk/lib/mod-hawk.c b/hawk/lib/mod-hawk.c
index d19fb9d9..0a7ea43e 100644
--- a/hawk/lib/mod-hawk.c
+++ b/hawk/lib/mod-hawk.c
@@ -442,7 +442,7 @@ static int fnc_modlibdirs (hawk_rtx_t* rtx, const hawk_fnc_info_t* fi)
 	hawk_t* hawk = hawk_rtx_gethawk(rtx);
 	hawk_val_t* r;
 
-	r = hawk_rtx_makestrvalwithoocstr(rtx, (hawk->opt.mod[0].len > 0)? hawk->opt.mod[0].ptr: HAWK_T(HAWK_DEFAULT_MODLIBDIRS));
+	r = hawk_rtx_makestrvalwithoocstr(rtx, (hawk->opt.mod[0].len > 0)? (const hawk_ooch_t*)hawk->opt.mod[0].ptr: (const hawk_ooch_t*)HAWK_T(HAWK_DEFAULT_MODLIBDIRS));
 	if (HAWK_UNLIKELY(!r)) return -1;
 
 	hawk_rtx_setretval (rtx, r);
diff --git a/hawk/lib/parse.c b/hawk/lib/parse.c
index 5613e17a..c81d7898 100644
--- a/hawk/lib/parse.c
+++ b/hawk/lib/parse.c
@@ -6806,7 +6806,7 @@ retry:
 			if (hawk_comp_oochars_bcstr(HAWK_OOECS_PTR(tok->name), HAWK_OOECS_LEN(tok->name), "@SCRIPTNAME", 0) == 0)
 			{
 				/* special parser-level word @SCRIPTNAME. substitute an actual value for it */
-				if (HAWK_UNLIKELY(hawk_ooecs_cpy(tok->name, (tok->loc.file? tok->loc.file: HAWK_T(""))) == (hawk_oow_t)-1)) return -1;
+				if (HAWK_UNLIKELY(hawk_ooecs_cpy(tok->name, (tok->loc.file? (const hawk_ooch_t*)tok->loc.file: (const hawk_ooch_t*)HAWK_T(""))) == (hawk_oow_t)-1)) return -1;
 				SET_TOKEN_TYPE (hawk, tok, TOK_STR);
 			}
 			else if (hawk_comp_oochars_bcstr(HAWK_OOECS_PTR(tok->name), HAWK_OOECS_LEN(tok->name), "@SCRIPTLINE", 0) == 0)
@@ -7453,8 +7453,8 @@ static hawk_mod_t* query_module (hawk_t* hawk, const hawk_oocs_t segs[], int nse
 #endif
 		/* attempt to find an external module */
 		HAWK_MEMSET (&spec, 0, HAWK_SIZEOF(spec));
-		spec.prefix = (hawk->opt.mod[1].len > 0)? hawk->opt.mod[1].ptr: HAWK_T(HAWK_DEFAULT_MODPREFIX);
-		spec.postfix = (hawk->opt.mod[2].len > 0)? hawk->opt.mod[2].ptr: HAWK_T(HAWK_DEFAULT_MODPOSTFIX);
+		spec.prefix = (hawk->opt.mod[1].len > 0)? (const hawk_ooch_t*)hawk->opt.mod[1].ptr: (const hawk_ooch_t*)HAWK_T(HAWK_DEFAULT_MODPREFIX);
+		spec.postfix = (hawk->opt.mod[2].len > 0)? (const hawk_ooch_t*)hawk->opt.mod[2].ptr: (const hawk_ooch_t*)HAWK_T(HAWK_DEFAULT_MODPOSTFIX);
 		spec.name = segs[0].ptr; /* the caller must ensure that this segment is null-terminated */
 
 		if (!hawk->prm.modopen || !hawk->prm.modgetsym || !hawk->prm.modclose)
@@ -7463,7 +7463,7 @@ static hawk_mod_t* query_module (hawk_t* hawk, const hawk_oocs_t segs[], int nse
 			goto open_fail;
 		}
 
-		spec.libdir = (hawk->opt.mod[0].len > 0)? hawk->opt.mod[0].ptr: HAWK_T(HAWK_DEFAULT_MODLIBDIRS);
+		spec.libdir = (hawk->opt.mod[0].len > 0)? (const hawk_ooch_t*)hawk->opt.mod[0].ptr: (const hawk_ooch_t*)HAWK_T(HAWK_DEFAULT_MODLIBDIRS);
 		do
 		{
 #if defined(_WIN32) || defined(__OS2__) || defined(__DOS__)
@@ -7491,7 +7491,9 @@ static hawk_mod_t* query_module (hawk_t* hawk, const hawk_oocs_t segs[], int nse
 		open_fail:
 			bem = hawk_backuperrmsg(hawk);
 			hawk_seterrfmt (hawk, HAWK_NULL, HAWK_ENOENT, HAWK_T("'%js%js%js' for module '%js' not found - %js"), 
-				(spec.prefix? spec.prefix: HAWK_T("")), spec.name, (spec.postfix? spec.postfix: HAWK_T("")), 
+				(spec.prefix? (const hawk_ooch_t*)spec.prefix: (const hawk_ooch_t*)HAWK_T("")), 
+				spec.name,
+				(spec.postfix? (const hawk_ooch_t*)spec.postfix: (const hawk_ooch_t*)HAWK_T("")), 
 				spec.name, bem);
 			return HAWK_NULL;
 		}
diff --git a/hawk/lib/skad.c b/hawk/lib/skad.c
index e80756a4..3746cdd7 100644
--- a/hawk/lib/skad.c
+++ b/hawk/lib/skad.c
@@ -819,7 +819,7 @@ static hawk_oow_t ip4ad_to_ucstr (const struct in_addr* ipad, hawk_uch_t* buf, h
 	return p - buf;
 }
 
-
+#if (HAWK_SIZEOF_STRUCT_SOCKADDR_IN6 > 0)
 static hawk_oow_t ip6ad_to_ucstr (const struct in6_addr* ipad, hawk_uch_t* buf, hawk_oow_t size)
 {
 	/*
@@ -918,6 +918,7 @@ static hawk_oow_t ip6ad_to_ucstr (const struct in6_addr* ipad, hawk_uch_t* buf,
 
 #undef IP6ADDR_NWORDS
 }
+#endif
 
 
 hawk_oow_t hawk_gem_skadtoucstr (hawk_gem_t* gem, const hawk_skad_t* _skad, hawk_uch_t* buf, hawk_oow_t len, int flags)
@@ -952,6 +953,7 @@ hawk_oow_t hawk_gem_skadtoucstr (hawk_gem_t* gem, const hawk_skad_t* _skad, hawk
 			}
 			break;
 
+#if (HAWK_SIZEOF_STRUCT_SOCKADDR_IN6 > 0)
 		case HAWK_AF_INET6:
 			if (flags & HAWK_SKAD_TO_BCSTR_PORT)
 			{
@@ -1007,6 +1009,7 @@ hawk_oow_t hawk_gem_skadtoucstr (hawk_gem_t* gem, const hawk_skad_t* _skad, hawk
 			}
 
 			break;
+#endif
 
 		case HAWK_AF_UNIX:
 			if (flags & HAWK_SKAD_TO_BCSTR_ADDR)
@@ -1065,7 +1068,7 @@ static hawk_oow_t ip4ad_to_bcstr (const struct in_addr* ipad, hawk_bch_t* buf, h
 	return p - buf;
 }
 
-
+#if (HAWK_SIZEOF_STRUCT_SOCKADDR_IN6 > 0)
 static hawk_oow_t ip6ad_to_bcstr (const struct in6_addr* ipad, hawk_bch_t* buf, hawk_oow_t size)
 {
 	/*
@@ -1164,6 +1167,7 @@ static hawk_oow_t ip6ad_to_bcstr (const struct in6_addr* ipad, hawk_bch_t* buf,
 
 #undef IP6ADDR_NWORDS
 }
+#endif
 
 
 hawk_oow_t hawk_gem_skadtobcstr (hawk_gem_t* gem, const hawk_skad_t* _skad, hawk_bch_t* buf, hawk_oow_t len, int flags)
@@ -1198,6 +1202,7 @@ hawk_oow_t hawk_gem_skadtobcstr (hawk_gem_t* gem, const hawk_skad_t* _skad, hawk
 			}
 			break;
 
+#if (HAWK_SIZEOF_STRUCT_SOCKADDR_IN6 > 0)
 		case HAWK_AF_INET6:
 			if (flags & HAWK_SKAD_TO_BCSTR_PORT)
 			{
@@ -1254,6 +1259,7 @@ hawk_oow_t hawk_gem_skadtobcstr (hawk_gem_t* gem, const hawk_skad_t* _skad, hawk
 			}
 
 			break;
+#endif
 
 		case HAWK_AF_UNIX:
 			if (flags & HAWK_SKAD_TO_BCSTR_ADDR)
@@ -1540,12 +1546,14 @@ hawk_oow_t hawk_ipad_bytes_to_ucstr (const hawk_uint8_t* iptr, hawk_oow_t ilen,
 			return ip4ad_to_ucstr(&ip4ad, buf, blen);
 		}
 
+#if (HAWK_SIZEOF_STRUCT_SOCKADDR_IN6 > 0)
 		case HAWK_IP6AD_LEN:
 		{
 			struct in6_addr ip6ad;
 			HAWK_MEMCPY (&ip6ad.s6_addr, iptr, ilen);
 			return ip6ad_to_ucstr(&ip6ad, buf, blen);
 		}
+#endif
 
 		default:
 			if (blen > 0) buf[blen] = '\0';
@@ -1564,12 +1572,14 @@ hawk_oow_t hawk_ipad_bytes_to_bcstr (const hawk_uint8_t* iptr, hawk_oow_t ilen,
 			return ip4ad_to_bcstr(&ip4ad, buf, blen);
 		}
 
+#if (HAWK_SIZEOF_STRUCT_SOCKADDR_IN6 > 0)
 		case HAWK_IP6AD_LEN:
 		{
 			struct in6_addr ip6ad;
 			HAWK_MEMCPY (&ip6ad.s6_addr, iptr, ilen);
 			return ip6ad_to_bcstr(&ip6ad, buf, blen);
 		}
+#endif
 
 		default:
 			if (blen > 0) buf[blen] = '\0';
@@ -1581,10 +1591,12 @@ int hawk_uchars_to_ipad_bytes (const hawk_uch_t* str, hawk_oow_t slen, hawk_uint
 {
 	if (blen >= HAWK_IP6AD_LEN)
 	{
+#if (HAWK_SIZEOF_STRUCT_SOCKADDR_IN6 > 0)
 		struct in6_addr i6;
 		if (uchars_to_ipv6(str, slen, &i6) <= -1) goto ipv4;
 		HAWK_MEMCPY (buf, i6.s6_addr, 16);
 		return HAWK_IP6AD_LEN;
+#endif
 	}
 	else if (blen >= HAWK_IP4AD_LEN)
 	{
@@ -1602,10 +1614,12 @@ int hawk_bchars_to_ipad_bytes (const hawk_bch_t* str, hawk_oow_t slen, hawk_uint
 {
 	if (blen >= HAWK_IP6AD_LEN)
 	{
+#if (HAWK_SIZEOF_STRUCT_SOCKADDR_IN6 > 0)
 		struct in6_addr i6;
 		if (bchars_to_ipv6(str, slen, &i6) <= -1) goto ipv4;
 		HAWK_MEMCPY (buf, i6.s6_addr, 16);
 		return HAWK_IP6AD_LEN;
+#endif
 	}
 	else if (blen >= HAWK_IP4AD_LEN)
 	{