diff --git a/Lib/irix5/ERRNO.py b/Lib/irix5/ERRNO.py
new file mode 100755
index 0000000..d49e964
--- /dev/null
+++ b/Lib/irix5/ERRNO.py
@@ -0,0 +1,147 @@
+# Generated by h2py from /usr/include/errno.h
+
+# Included from sys/errno.h
+__KBASE = 1000
+__IRIXBASE = 1000
+EPERM = 1
+ENOENT = 2
+ESRCH = 3
+EINTR = 4
+EIO = 5
+ENXIO = 6
+E2BIG = 7
+ENOEXEC = 8
+EBADF = 9
+ECHILD = 10
+EAGAIN = 11
+ENOMEM = 12
+EACCES = 13
+EFAULT = 14
+ENOTBLK = 15
+EBUSY = 16
+EEXIST = 17
+EXDEV = 18
+ENODEV = 19
+ENOTDIR = 20
+EISDIR = 21
+EINVAL = 22
+ENFILE = 23
+EMFILE = 24
+ENOTTY = 25
+ETXTBSY = 26
+EFBIG = 27
+ENOSPC = 28
+ESPIPE = 29
+EROFS = 30
+EMLINK = 31
+EPIPE = 32
+EDOM = 33
+ERANGE = 34
+ENOMSG = 35
+EIDRM = 36
+ECHRNG = 37
+EL2NSYNC = 38
+EL3HLT = 39
+EL3RST = 40
+ELNRNG = 41
+EUNATCH = 42
+ENOCSI = 43
+EL2HLT = 44
+EDEADLK = 45
+ENOLCK = 46
+EBADE = 50
+EBADR = 51
+EXFULL = 52
+ENOANO = 53
+EBADRQC = 54
+EBADSLT = 55
+EDEADLOCK = 56
+EBFONT = 57
+ENOSTR = 60
+ENODATA = 61
+ETIME = 62
+ENOSR = 63
+ENONET = 64
+ENOPKG = 65
+EREMOTE = 66
+ENOLINK = 67
+EADV = 68
+ESRMNT = 69
+ECOMM = 70
+EPROTO = 71
+EMULTIHOP = 74
+EBADMSG = 77
+ENAMETOOLONG = 78
+EOVERFLOW = 79
+ENOTUNIQ = 80
+EBADFD = 81
+EREMCHG = 82
+ELIBACC = 83
+ELIBBAD = 84
+ELIBSCN = 85
+ELIBMAX = 86
+ELIBEXEC = 87
+EILSEQ = 88
+ENOSYS = 89
+ELOOP = 90
+ERESTART = 91
+ESTRPIPE = 92
+ENOTEMPTY = 93
+EUSERS = 94
+ENOTSOCK = 95
+EDESTADDRREQ = 96
+EMSGSIZE = 97
+EPROTOTYPE = 98
+ENOPROTOOPT = 99
+EPROTONOSUPPORT = 120
+ESOCKTNOSUPPORT = 121
+EOPNOTSUPP = 122
+EPFNOSUPPORT = 123
+EAFNOSUPPORT = 124
+EADDRINUSE = 125
+EADDRNOTAVAIL = 126
+ENETDOWN = 127
+ENETUNREACH = 128
+ENETRESET = 129
+ECONNABORTED = 130
+ECONNRESET = 131
+ENOBUFS = 132
+EISCONN = 133
+ENOTCONN = 134
+ESHUTDOWN = 143
+ETOOMANYREFS = 144
+ETIMEDOUT = 145
+ECONNREFUSED = 146
+EHOSTDOWN = 147
+EHOSTUNREACH = 148
+EWOULDBLOCK = __KBASE+101
+EWOULDBLOCK = EAGAIN
+EALREADY = 149
+EINPROGRESS = 150
+ESTALE = 151
+EIORESID = 500
+EUCLEAN = 135
+ENOTNAM = 137
+ENAVAIL = 138
+EISNAM = 139
+EREMOTEIO = 140
+EINIT = 141
+EREMDEV = 142
+ECANCELED = 158
+ECANCELED = 1000
+EDQUOT = 1133
+ENFSREMOTE = 1135
+ETCP_EBASE = 100
+ETCP_ELIMIT = 129
+ENAMI_EBASE = 129
+ENAMI_ELIMIT = 131
+ENFS_EBASE = 131
+ENFS_ELIMIT = 135
+ELASTERRNO = 135
+TCP_EBASE = ETCP_EBASE
+TCP_ELIMIT = ETCP_ELIMIT
+NAMI_EBASE = ENAMI_EBASE
+NAMI_ELIMIT = ENAMI_ELIMIT
+NFS_EBASE = ENFS_EBASE
+NFS_ELIMIT = ENFS_ELIMIT
+LASTERRNO = ELASTERRNO
diff --git a/Lib/plat-irix5/ERRNO.py b/Lib/plat-irix5/ERRNO.py
new file mode 100755
index 0000000..d49e964
--- /dev/null
+++ b/Lib/plat-irix5/ERRNO.py
@@ -0,0 +1,147 @@
+# Generated by h2py from /usr/include/errno.h
+
+# Included from sys/errno.h
+__KBASE = 1000
+__IRIXBASE = 1000
+EPERM = 1
+ENOENT = 2
+ESRCH = 3
+EINTR = 4
+EIO = 5
+ENXIO = 6
+E2BIG = 7
+ENOEXEC = 8
+EBADF = 9
+ECHILD = 10
+EAGAIN = 11
+ENOMEM = 12
+EACCES = 13
+EFAULT = 14
+ENOTBLK = 15
+EBUSY = 16
+EEXIST = 17
+EXDEV = 18
+ENODEV = 19
+ENOTDIR = 20
+EISDIR = 21
+EINVAL = 22
+ENFILE = 23
+EMFILE = 24
+ENOTTY = 25
+ETXTBSY = 26
+EFBIG = 27
+ENOSPC = 28
+ESPIPE = 29
+EROFS = 30
+EMLINK = 31
+EPIPE = 32
+EDOM = 33
+ERANGE = 34
+ENOMSG = 35
+EIDRM = 36
+ECHRNG = 37
+EL2NSYNC = 38
+EL3HLT = 39
+EL3RST = 40
+ELNRNG = 41
+EUNATCH = 42
+ENOCSI = 43
+EL2HLT = 44
+EDEADLK = 45
+ENOLCK = 46
+EBADE = 50
+EBADR = 51
+EXFULL = 52
+ENOANO = 53
+EBADRQC = 54
+EBADSLT = 55
+EDEADLOCK = 56
+EBFONT = 57
+ENOSTR = 60
+ENODATA = 61
+ETIME = 62
+ENOSR = 63
+ENONET = 64
+ENOPKG = 65
+EREMOTE = 66
+ENOLINK = 67
+EADV = 68
+ESRMNT = 69
+ECOMM = 70
+EPROTO = 71
+EMULTIHOP = 74
+EBADMSG = 77
+ENAMETOOLONG = 78
+EOVERFLOW = 79
+ENOTUNIQ = 80
+EBADFD = 81
+EREMCHG = 82
+ELIBACC = 83
+ELIBBAD = 84
+ELIBSCN = 85
+ELIBMAX = 86
+ELIBEXEC = 87
+EILSEQ = 88
+ENOSYS = 89
+ELOOP = 90
+ERESTART = 91
+ESTRPIPE = 92
+ENOTEMPTY = 93
+EUSERS = 94
+ENOTSOCK = 95
+EDESTADDRREQ = 96
+EMSGSIZE = 97
+EPROTOTYPE = 98
+ENOPROTOOPT = 99
+EPROTONOSUPPORT = 120
+ESOCKTNOSUPPORT = 121
+EOPNOTSUPP = 122
+EPFNOSUPPORT = 123
+EAFNOSUPPORT = 124
+EADDRINUSE = 125
+EADDRNOTAVAIL = 126
+ENETDOWN = 127
+ENETUNREACH = 128
+ENETRESET = 129
+ECONNABORTED = 130
+ECONNRESET = 131
+ENOBUFS = 132
+EISCONN = 133
+ENOTCONN = 134
+ESHUTDOWN = 143
+ETOOMANYREFS = 144
+ETIMEDOUT = 145
+ECONNREFUSED = 146
+EHOSTDOWN = 147
+EHOSTUNREACH = 148
+EWOULDBLOCK = __KBASE+101
+EWOULDBLOCK = EAGAIN
+EALREADY = 149
+EINPROGRESS = 150
+ESTALE = 151
+EIORESID = 500
+EUCLEAN = 135
+ENOTNAM = 137
+ENAVAIL = 138
+EISNAM = 139
+EREMOTEIO = 140
+EINIT = 141
+EREMDEV = 142
+ECANCELED = 158
+ECANCELED = 1000
+EDQUOT = 1133
+ENFSREMOTE = 1135
+ETCP_EBASE = 100
+ETCP_ELIMIT = 129
+ENAMI_EBASE = 129
+ENAMI_ELIMIT = 131
+ENFS_EBASE = 131
+ENFS_ELIMIT = 135
+ELASTERRNO = 135
+TCP_EBASE = ETCP_EBASE
+TCP_ELIMIT = ETCP_ELIMIT
+NAMI_EBASE = ENAMI_EBASE
+NAMI_ELIMIT = ENAMI_ELIMIT
+NFS_EBASE = ENFS_EBASE
+NFS_ELIMIT = ENFS_ELIMIT
+LASTERRNO = ELASTERRNO