- "W_OK" "X_OK" "SIGSYS" "TCSETPGRP" "FD-ZERO"
- "SIGQUIT" "SIGCHLD" "SIGSEGV" "FD-CLR" "SIGUSR2"
- "EALREADY" "SIGPIPE" "CHECK" "SIGXCPU" "EOPNOTSUPP"
- "SIGFPE" "SIGHUP" "ENOTSOCK" "EINTR"
- "SIGCONT" "UNIX-RESOLVE-LINKS" "SIGKILL" "EMSGSIZE" "ERANGE"
- "EPROTOTYPE" "UNIX-SIGNAL-NUMBER" "EPFNOSUPPORT" "SIGILL"
- "EDOM" "EDQUOT" "FD-SETSIZE" "SIGTSTP"
- "EAFNOSUPPORT" "TCGETPGRP" "EMFILE" "ECONNRESET"
- "EADDRNOTAVAIL" "SIGALRM" "ENETDOWN" "EVICEOP"
- "UNIX-FAST-GETRUSAGE" "EPERM" "SIGINT" "EXDEV" "EDEADLK"
- "ENOSPC" "ECONNREFUSED" "SIGWINCH" "ENOPROTOOPT" "ESRCH"
- "EUSERS" "SIGVTALRM" "ENOTCONN" "ESUCCESS" "EPIPE"
- "UNIX-SIMPLIFY-PATHNAME" "EISCONN" "FD-ISSET"
- "ESHUTDOWN" "EBUSY" "SIGTERM" "ENAMETOOLONG" "EMLINK"
- "EADDRINUSE" "SIGBUS" "ERESTART"
- "UNIX-SIGNAL-NAME" "ETIMEDOUT" "ECHILD" "EFBIG" "SIGTRAP"
- "UNIX-KILLPG" "ENOTBLK" "SIGIOT" "SIGUSR1" "ECONNABORTED"
- "EHOSTUNREACH" "EBADF" "EINVAL" "FD-SET" "EISDIR"
- "SIGTTIN" "UNIX-KILL" "EHOSTDOWN" "E2BIG" "ESPIPE"
- "UNIX-FAST-SELECT" "ENXIO" "ENOTTY" "ELOOP" "LTCHARS"
- "SIGXFSZ" "EINPROGRESS" "ENOENT"
- "EPROTONOSUPPORT" "SIGIO" "ENOMEM" "SIGEMT"
- "EFAULT" "ENODEV" "EIO" "EVICEERR" "ETXTBSY" "EWOULDBLOCK"
- "EAGAIN" "EDESTADDRREQ" "ENOEXEC" "ENETUNREACH" "ENOTEMPTY"
- "ENFILE"
- "SIGTTOU" "EEXIST" "SIGPROF" "SIGSTOP" "ENETRESET" "SIGURG"
- "ENOBUFS" "EPROCLIM" "EROFS" "ETOOMANYREFS" "UNIX-FILE-KIND"
- "ELOCAL" "UNIX-SIGSETMASK" "EREMOTE" "ESOCKTNOSUPPORT"
- "TIOCSIGSEND" "SIGWAITING"
+ "W_OK" "X_OK"
+ ;; signals
+ "SIGALRM" "SIGBUS" "SIGCHLD" "SIGCONT" "SIGEMT" "SIGFPE"
+ "SIGHUP" "SIGILL" "SIGINT" "SIGIO" "SIGIOT" "SIGKILL"
+ "SIGPIPE" "SIGPROF" "SIGQUIT" "SIGSEGV" "SIGSTOP" "SIGSYS"
+ "SIGTERM" "SIGTRAP" "SIGTSTP" "SIGTTIN" "SIGTTOU" "SIGURG"
+ "SIGUSR1" "SIGUSR2" "SIGVTALRM" "SIGWAITING" "SIGWINCH"
+ "SIGXCPU" "SIGXFSZ"
+
+ ;; errors
+ "E2BIG" "EADDRINUSE" "EADDRNOTAVAIL" "EAFNOSUPPORT"
+ "EAGAIN" "EALREADY" "EBADF" "EBUSY" "ECHILD" "ECONNABORTED"
+ "ECONNREFUSED" "ECONNRESET" "EDEADLK" "EDESTADDRREQ" "EDOM"
+ "EDQUOT" "EEXIST" "EFAULT" "EFBIG" "EHOSTDOWN"
+ "EHOSTUNREACH" "EINPROGRESS" "EINTR" "EINVAL" "EIO"
+ "EISCONN" "EISDIR" "ELOCAL" "ELOOP" "EMFILE" "EMLINK"
+ "EMSGSIZE" "ENAMETOOLONG" "ENETDOWN" "ENETRESET"
+ "ENETUNREACH" "ENFILE" "ENOBUFS" "ENODEV" "ENOENT"
+ "ENOEXEC" "ENOMEM" "ENOPROTOOPT" "ENOSPC" "ENOTBLK"
+ "ENOTCONN" "ENOTEMPTY" "ENOTSOCK" "ENOTTY" "ENXIO"
+ "EOPNOTSUPP" "EPERM" "EPFNOSUPPORT" "EPIPE" "EPROCLIM"
+ "EPROTONOSUPPORT" "EPROTOTYPE" "ERANGE" "EREMOTE"
+ "ERESTART" "EROFS" "ESHUTDOWN" "ESOCKTNOSUPPORT" "ESPIPE"
+ "ESRCH" "ESUCCESS" "ETIMEDOUT" "ETOOMANYREFS" "ETXTBSY"
+ "EUSERS" "EVICEERR" "EVICEOP" "EWOULDBLOCK" "EXDEV"
+
+ "FD-ISSET" "FD-SET" "LTCHARS" "UNIX-FAST-SELECT"
+ "UNIX-FILE-KIND" "UNIX-KILL" "UNIX-SIGSETMASK"
+ "TCSETPGRP" "FD-ZERO" "FD-CLR" "CHECK" "UNIX-RESOLVE-LINKS"
+ "FD-SETSIZE" "TCGETPGRP" "UNIX-FAST-GETRUSAGE"
+ "UNIX-SIMPLIFY-PATHNAME" "UNIX-KILLPG"
+ "TIOCSIGSEND"