6 files changed, 19 insertions, 10 deletions
diff --git a/conform/data/fcntl.h-data b/conform/data/fcntl.h-data
index efe134e448..1971d4a742 100644
--- a/conform/data/fcntl.h-data
+++ b/conform/data/fcntl.h-data
@@ -113,10 +113,11 @@ function int posix_fallocate (int, off_t, off_t)
 #endif
 
 #if defined XOPEN2K8 || defined POSIX2008
-constant O_TTY_INIT
+// Bug 18228: O_TTY_INIT, O_EXEC, O_SEARCH missing.
+xfail-constant O_TTY_INIT
 constant O_CLOEXEC
-constant O_EXEC
-constant O_SEARCH
+xfail-constant O_EXEC
+xfail-constant O_SEARCH
 constant O_DIRECTORY
 constant O_NOFOLLOW
 constant F_DUPFD_CLOEXEC
diff --git a/conform/data/stropts.h-data b/conform/data/stropts.h-data
index 6849fecc87..e43dac8c9e 100644
--- a/conform/data/stropts.h-data
+++ b/conform/data/stropts.h-data
@@ -115,7 +115,8 @@ macro MOREDATA
 function int isastream (int)
 function int getmsg (int, struct strbuf*, struct strbuf*, int*)
 function int getpmsg (int, struct strbuf*, struct strbuf*, int*, int*)
-function int ioctl (int, int, ...)
+// Bug 14362: wrong type for ioctl.
+xfail-function int ioctl (int, int, ...)
 function int putmsg (int, const struct strbuf*, const struct strbuf*, int)
 function int putpmsg (int, const struct strbuf*, const struct strbuf*, int, int)
 function int fattach (int, const char*)
diff --git a/conform/data/sys/ipc.h-data b/conform/data/sys/ipc.h-data
index 8f06d2ba0a..70dc3f6fe6 100644
--- a/conform/data/sys/ipc.h-data
+++ b/conform/data/sys/ipc.h-data
@@ -5,7 +5,8 @@ element {struct ipc_perm} uid_t uid
 element {struct ipc_perm} gid_t gid
 element {struct ipc_perm} uid_t cuid
 element {struct ipc_perm} gid_t cgid
-element {struct ipc_perm} mode_t mode
+// Bug 18231: wrong type for mode member.
+xfail-element {struct ipc_perm} mode_t mode
 
 type uid_t
 type gid_t
diff --git a/conform/data/sys/sem.h-data b/conform/data/sys/sem.h-data
index 61eecf2951..a36ab1bd91 100644
--- a/conform/data/sys/sem.h-data
+++ b/conform/data/sys/sem.h-data
@@ -12,7 +12,8 @@ constant SETALL
 type {struct semid_ds}
 
 element {struct semid_ds} {struct ipc_perm} sem_perm
-element {struct semid_ds} {unsigned short int} sem_nsems
+// Bug 18232: wrong type for sem_nsems member.
+xfail-element {struct semid_ds} {unsigned short int} sem_nsems
 element {struct semid_ds} time_t sem_otime
 element {struct semid_ds} time_t sem_ctime
 
diff --git a/conform/data/sys/socket.h-data b/conform/data/sys/socket.h-data
index 3a6cf7c673..442d4d288a 100644
--- a/conform/data/sys/socket.h-data
+++ b/conform/data/sys/socket.h-data
@@ -22,9 +22,10 @@ type {struct msghdr}
 element {struct msghdr} {void*} msg_name
 element {struct msghdr} socklen_t msg_namelen
 element {struct msghdr} {struct iovec*} msg_iov
-element {struct msghdr} int msg_iovlen
+// Bug 16919: wrong type for msg_iovlen and msg_controllen members.
+xfail-element {struct msghdr} int msg_iovlen
 element {struct msghdr} {void*} msg_control
-element {struct msghdr} socklen_t msg_controllen
+xfail-element {struct msghdr} socklen_t msg_controllen
 element {struct msghdr} int msg_flags
 
 type {struct iovec}
@@ -34,7 +35,8 @@ element {struct iovec} size_t iov_len
 
 type {struct cmsghdr}
 
-element {struct cmsghdr} socklen_t cmsg_len
+// Bug 16919: wrong type for cmsg_len member.
+xfail-element {struct cmsghdr} socklen_t cmsg_len
 element {struct cmsghdr} int cmsg_level
 element {struct cmsghdr} int cmsg_type
 
diff --git a/conform/data/utmpx.h-data b/conform/data/utmpx.h-data
index b8a0062321..80641ff8f0 100644
--- a/conform/data/utmpx.h-data
+++ b/conform/data/utmpx.h-data
@@ -6,7 +6,10 @@ element {struct utmpx} char ut_id []
 element {struct utmpx} char ut_line []
 element {struct utmpx} pid_t ut_pid
 element {struct utmpx} {short int} ut_type
-element {struct utmpx} {struct timeval} ut_tv
+// Layout chosen to be compatible on 32-bit and 64-bit bi-arch
+// systems, which is incompatible with the standard type (see bug
+// 18235).
+xfail-element {struct utmpx} {struct timeval} ut_tv
 
 type pid_t