diff --git a/libc/kernel/uapi/linux/in.h b/libc/kernel/uapi/linux/in.h
index e90209b..0182e0a 100644
--- a/libc/kernel/uapi/linux/in.h
+++ b/libc/kernel/uapi/linux/in.h
@@ -124,137 +124,138 @@
 #define IP_PMTUDISC_DO 2
 #define IP_PMTUDISC_PROBE 3
 #define IP_PMTUDISC_INTERFACE 4
-#define IP_MULTICAST_IF 32
+#define IP_PMTUDISC_OMIT 5
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define IP_MULTICAST_IF 32
 #define IP_MULTICAST_TTL 33
 #define IP_MULTICAST_LOOP 34
 #define IP_ADD_MEMBERSHIP 35
-#define IP_DROP_MEMBERSHIP 36
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define IP_DROP_MEMBERSHIP 36
 #define IP_UNBLOCK_SOURCE 37
 #define IP_BLOCK_SOURCE 38
 #define IP_ADD_SOURCE_MEMBERSHIP 39
-#define IP_DROP_SOURCE_MEMBERSHIP 40
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define IP_DROP_SOURCE_MEMBERSHIP 40
 #define IP_MSFILTER 41
 #define MCAST_JOIN_GROUP 42
 #define MCAST_BLOCK_SOURCE 43
-#define MCAST_UNBLOCK_SOURCE 44
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define MCAST_UNBLOCK_SOURCE 44
 #define MCAST_LEAVE_GROUP 45
 #define MCAST_JOIN_SOURCE_GROUP 46
 #define MCAST_LEAVE_SOURCE_GROUP 47
-#define MCAST_MSFILTER 48
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define MCAST_MSFILTER 48
 #define IP_MULTICAST_ALL 49
 #define IP_UNICAST_IF 50
 #define MCAST_EXCLUDE 0
-#define MCAST_INCLUDE 1
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define MCAST_INCLUDE 1
 #define IP_DEFAULT_MULTICAST_TTL 1
 #define IP_DEFAULT_MULTICAST_LOOP 1
 struct ip_mreq {
- struct in_addr imr_multiaddr;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ struct in_addr imr_multiaddr;
  struct in_addr imr_interface;
 };
 struct ip_mreqn {
- struct in_addr imr_multiaddr;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ struct in_addr imr_multiaddr;
  struct in_addr imr_address;
  int imr_ifindex;
 };
-struct ip_mreq_source {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+struct ip_mreq_source {
  __be32 imr_multiaddr;
  __be32 imr_interface;
  __be32 imr_sourceaddr;
-};
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+};
 struct ip_msfilter {
  __be32 imsf_multiaddr;
  __be32 imsf_interface;
- __u32 imsf_fmode;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u32 imsf_fmode;
  __u32 imsf_numsrc;
  __be32 imsf_slist[1];
 };
-#define IP_MSFILTER_SIZE(numsrc)   (sizeof(struct ip_msfilter) - sizeof(__u32)   + (numsrc) * sizeof(__u32))
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define IP_MSFILTER_SIZE(numsrc)   (sizeof(struct ip_msfilter) - sizeof(__u32)   + (numsrc) * sizeof(__u32))
 struct group_req {
  __u32 gr_interface;
  struct __kernel_sockaddr_storage gr_group;
-};
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+};
 struct group_source_req {
  __u32 gsr_interface;
  struct __kernel_sockaddr_storage gsr_group;
- struct __kernel_sockaddr_storage gsr_source;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ struct __kernel_sockaddr_storage gsr_source;
 };
 struct group_filter {
  __u32 gf_interface;
- struct __kernel_sockaddr_storage gf_group;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ struct __kernel_sockaddr_storage gf_group;
  __u32 gf_fmode;
  __u32 gf_numsrc;
  struct __kernel_sockaddr_storage gf_slist[1];
-};
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+};
 #define GROUP_FILTER_SIZE(numsrc)   (sizeof(struct group_filter) - sizeof(struct __kernel_sockaddr_storage)   + (numsrc) * sizeof(struct __kernel_sockaddr_storage))
 struct in_pktinfo {
  int ipi_ifindex;
- struct in_addr ipi_spec_dst;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ struct in_addr ipi_spec_dst;
  struct in_addr ipi_addr;
 };
 #define __SOCK_SIZE__ 16
-struct sockaddr_in {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+struct sockaddr_in {
  __kernel_sa_family_t sin_family;
  __be16 sin_port;
  struct in_addr sin_addr;
- unsigned char __pad[__SOCK_SIZE__ - sizeof(short int) -
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ unsigned char __pad[__SOCK_SIZE__ - sizeof(short int) -
  sizeof(unsigned short int) - sizeof(struct in_addr)];
 };
 #define sin_zero __pad
-#define IN_CLASSA(a) ((((long int) (a)) & 0x80000000) == 0)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define IN_CLASSA(a) ((((long int) (a)) & 0x80000000) == 0)
 #define IN_CLASSA_NET 0xff000000
 #define IN_CLASSA_NSHIFT 24
 #define IN_CLASSA_HOST (0xffffffff & ~IN_CLASSA_NET)
-#define IN_CLASSA_MAX 128
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define IN_CLASSA_MAX 128
 #define IN_CLASSB(a) ((((long int) (a)) & 0xc0000000) == 0x80000000)
 #define IN_CLASSB_NET 0xffff0000
 #define IN_CLASSB_NSHIFT 16
-#define IN_CLASSB_HOST (0xffffffff & ~IN_CLASSB_NET)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define IN_CLASSB_HOST (0xffffffff & ~IN_CLASSB_NET)
 #define IN_CLASSB_MAX 65536
 #define IN_CLASSC(a) ((((long int) (a)) & 0xe0000000) == 0xc0000000)
 #define IN_CLASSC_NET 0xffffff00
-#define IN_CLASSC_NSHIFT 8
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define IN_CLASSC_NSHIFT 8
 #define IN_CLASSC_HOST (0xffffffff & ~IN_CLASSC_NET)
 #define IN_CLASSD(a) ((((long int) (a)) & 0xf0000000) == 0xe0000000)
 #define IN_MULTICAST(a) IN_CLASSD(a)
-#define IN_MULTICAST_NET 0xF0000000
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define IN_MULTICAST_NET 0xF0000000
 #define IN_EXPERIMENTAL(a) ((((long int) (a)) & 0xf0000000) == 0xf0000000)
 #define IN_BADCLASS(a) IN_EXPERIMENTAL((a))
 #define INADDR_ANY ((unsigned long int) 0x00000000)
-#define INADDR_BROADCAST ((unsigned long int) 0xffffffff)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define INADDR_BROADCAST ((unsigned long int) 0xffffffff)
 #define INADDR_NONE ((unsigned long int) 0xffffffff)
 #define IN_LOOPBACKNET 127
 #define INADDR_LOOPBACK 0x7f000001
-#define IN_LOOPBACK(a) ((((long int) (a)) & 0xff000000) == 0x7f000000)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define IN_LOOPBACK(a) ((((long int) (a)) & 0xff000000) == 0x7f000000)
 #define INADDR_UNSPEC_GROUP 0xe0000000U
 #define INADDR_ALLHOSTS_GROUP 0xe0000001U
 #define INADDR_ALLRTRS_GROUP 0xe0000002U
-#define INADDR_MAX_LOCAL_GROUP 0xe00000ffU
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define INADDR_MAX_LOCAL_GROUP 0xe00000ffU
 #include <asm/byteorder.h>
 #endif