diff --git a/src/api/ctype.c b/src/api/ctype.c
index 8af509d..27b305e 100644
--- a/src/api/ctype.c
+++ b/src/api/ctype.c
@@ -36,9 +36,4 @@ int(*p_isxdigit_l)(int,locale_t) = isxdigit_l;
 int(*p_tolower_l)(int,locale_t) = tolower_l;
 int(*p_toupper_l)(int,locale_t) = toupper_l;
 #endif
-
-#ifdef _XOPEN_SOURCE
-int(*p__tolower)(int) = _tolower;
-int(*p__toupper)(int) = _toupper;
-#endif
 }
diff --git a/src/api/netinet_in.c b/src/api/netinet_in.c
index c8b8032..648c794 100644
--- a/src/api/netinet_in.c
+++ b/src/api/netinet_in.c
@@ -39,7 +39,7 @@ F(uint32_t, sin6_scope_id)
 {
 struct ipv6_mreq x;
 F(struct in6_addr, ipv6mr_multiaddr)
-f(unsigned, ipv6mr_interface)
+F(unsigned, ipv6mr_interface)
 }
 C(IPPROTO_IP)
 C(IPPROTO_IPV6)