(List
  (Com {[LIT_CHARS unset]} {[LIT_CHARS LANG]}  )
  (= scope=<EAssignScope.GLOBAL 1> flags=1 words=[] bindings=[('LC_ALL', {[LIT_CHARS C]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=1 words=[] bindings=[('LC_CTYPE', {[LIT_CHARS C]})])
  (If
    (Com {[LIT_CHARS test]} {[LIT_CHARS -z]} {[DQ [VarSub GOARCH]]} {[LIT_CHARS -o]} {[LIT_CHARS -z]} {[DQ [VarSub GOOS]]}    )
    (List
      (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "GOARCH or GOOS not defined in environment"]]}
        <
        (DescriptorRedirectNode target={[LIT_CHARS 2]} <REDIR_GREATAND "1>&"> 1),
        >
      )
      (Com {[LIT_CHARS exit]} {[LIT_CHARS 1]}      )
    )
  )
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('CC', {[VarSub CC test_op=VS_TEST_COLON_HYPHEN {[LIT_CHARS cc]}]})])
  (If
    (DBracket {B2 BINARY_INT_EQ {[DQ [VarSub GOOS]]} {[DQ [LIT_CHARS solaris]]}})
    (= scope=<EAssignScope.GLOBAL 1> flags=1 words=[] bindings=[('PATH', {[LIT_CHARS /usr/gnu/bin] [LIT_OTHER ":"] [VarSub PATH]})])
  )
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('uname', {[ComSub (Com {[LIT_CHARS uname]})]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('includes_Darwin', {[SQ <LIT_CHARS "\n"> <LIT_CHARS "#define _DARWIN_C_SOURCE\n"> <LIT_CHARS "#define KERNEL\n"> <LIT_CHARS "#define _DARWIN_USE_64_BIT_INODE\n"> <LIT_CHARS "#include <sys/types.h>\n"> <LIT_CHARS "#include <sys/event.h>\n"> <LIT_CHARS "#include <sys/ptrace.h>\n"> <LIT_CHARS "#include <sys/socket.h>\n"> <LIT_CHARS "#include <sys/sockio.h>\n"> <LIT_CHARS "#include <sys/sysctl.h>\n"> <LIT_CHARS "#include <sys/mman.h>\n"> <LIT_CHARS "#include <sys/wait.h>\n"> <LIT_CHARS "#include <net/bpf.h>\n"> <LIT_CHARS "#include <net/if.h>\n"> <LIT_CHARS "#include <net/if_types.h>\n"> <LIT_CHARS "#include <net/route.h>\n"> <LIT_CHARS "#include <netinet/in.h>\n"> <LIT_CHARS "#include <netinet/ip.h>\n"> <LIT_CHARS "#include <termios.h>\n">]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('includes_DragonFly', {[SQ <LIT_CHARS "\n"> <LIT_CHARS "#include <sys/types.h>\n"> <LIT_CHARS "#include <sys/event.h>\n"> <LIT_CHARS "#include <sys/socket.h>\n"> <LIT_CHARS "#include <sys/sockio.h>\n"> <LIT_CHARS "#include <sys/sysctl.h>\n"> <LIT_CHARS "#include <sys/mman.h>\n"> <LIT_CHARS "#include <sys/wait.h>\n"> <LIT_CHARS "#include <sys/ioctl.h>\n"> <LIT_CHARS "#include <net/bpf.h>\n"> <LIT_CHARS "#include <net/if.h>\n"> <LIT_CHARS "#include <net/if_types.h>\n"> <LIT_CHARS "#include <net/route.h>\n"> <LIT_CHARS "#include <netinet/in.h>\n"> <LIT_CHARS "#include <termios.h>\n"> <LIT_CHARS "#include <netinet/ip.h>\n"> <LIT_CHARS "#include <net/ip_mroute/ip_mroute.h>\n">]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('includes_FreeBSD', {[SQ <LIT_CHARS "\n"> <LIT_CHARS "#include <sys/param.h>\n"> <LIT_CHARS "#include <sys/types.h>\n"> <LIT_CHARS "#include <sys/event.h>\n"> <LIT_CHARS "#include <sys/socket.h>\n"> <LIT_CHARS "#include <sys/sockio.h>\n"> <LIT_CHARS "#include <sys/sysctl.h>\n"> <LIT_CHARS "#include <sys/mman.h>\n"> <LIT_CHARS "#include <sys/wait.h>\n"> <LIT_CHARS "#include <sys/ioctl.h>\n"> <LIT_CHARS "#include <net/bpf.h>\n"> <LIT_CHARS "#include <net/if.h>\n"> <LIT_CHARS "#include <net/if_types.h>\n"> <LIT_CHARS "#include <net/route.h>\n"> <LIT_CHARS "#include <netinet/in.h>\n"> <LIT_CHARS "#include <termios.h>\n"> <LIT_CHARS "#include <netinet/ip.h>\n"> <LIT_CHARS "#include <netinet/ip_mroute.h>\n"> <LIT_CHARS "#include <sys/extattr.h>\n"> <LIT_CHARS "\n"> <LIT_CHARS "#if __FreeBSD__ >= 10\n"> <LIT_CHARS "#define IFT_CARP\t0xf8\t// IFT_CARP is deprecated in FreeBSD 10\n"> <LIT_CHARS "#undef SIOCAIFADDR\n"> <LIT_CHARS "#define SIOCAIFADDR\t_IOW(105, 26, struct oifaliasreq)\t// ifaliasreq contains if_data\n"> <LIT_CHARS "#undef SIOCSIFPHYADDR\n"> <LIT_CHARS "#define SIOCSIFPHYADDR\t_IOW(105, 70, struct oifaliasreq)\t// ifaliasreq contains if_data\n"> <LIT_CHARS "#endif\n">]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('includes_Linux', {[SQ <LIT_CHARS "\n"> <LIT_CHARS "#define _LARGEFILE_SOURCE\n"> <LIT_CHARS "#define _LARGEFILE64_SOURCE\n"> <LIT_CHARS "#ifndef __LP64__\n"> <LIT_CHARS "#define _FILE_OFFSET_BITS 64\n"> <LIT_CHARS "#endif\n"> <LIT_CHARS "#define _GNU_SOURCE\n"> <LIT_CHARS "\n"> <LIT_CHARS "#include <bits/sockaddr.h>\n"> <LIT_CHARS "#include <sys/epoll.h>\n"> <LIT_CHARS "#include <sys/inotify.h>\n"> <LIT_CHARS "#include <sys/ioctl.h>\n"> <LIT_CHARS "#include <sys/mman.h>\n"> <LIT_CHARS "#include <sys/mount.h>\n"> <LIT_CHARS "#include <sys/prctl.h>\n"> <LIT_CHARS "#include <sys/stat.h>\n"> <LIT_CHARS "#include <sys/types.h>\n"> <LIT_CHARS "#include <sys/time.h>\n"> <LIT_CHARS "#include <sys/socket.h>\n"> <LIT_CHARS "#include <linux/if.h>\n"> <LIT_CHARS "#include <linux/if_arp.h>\n"> <LIT_CHARS "#include <linux/if_ether.h>\n"> <LIT_CHARS "#include <linux/if_tun.h>\n"> <LIT_CHARS "#include <linux/if_packet.h>\n"> <LIT_CHARS "#include <linux/if_addr.h>\n"> <LIT_CHARS "#include <linux/filter.h>\n"> <LIT_CHARS "#include <linux/netlink.h>\n"> <LIT_CHARS "#include <linux/reboot.h>\n"> <LIT_CHARS "#include <linux/rtnetlink.h>\n"> <LIT_CHARS "#include <linux/ptrace.h>\n"> <LIT_CHARS "#include <linux/sched.h>\n"> <LIT_CHARS "#include <linux/wait.h>\n"> <LIT_CHARS "#include <linux/icmpv6.h>\n"> <LIT_CHARS "#include <net/route.h>\n"> <LIT_CHARS "#include <asm/termbits.h>\n"> <LIT_CHARS "\n"> <LIT_CHARS "#ifndef MSG_FASTOPEN\n"> <LIT_CHARS "#define MSG_FASTOPEN    0x20000000\n"> <LIT_CHARS "#endif\n"> <LIT_CHARS "\n"> <LIT_CHARS "#ifndef PTRACE_GETREGS\n"> <LIT_CHARS "#define PTRACE_GETREGS\t0xc\n"> <LIT_CHARS "#endif\n"> <LIT_CHARS "\n"> <LIT_CHARS "#ifndef PTRACE_SETREGS\n"> <LIT_CHARS "#define PTRACE_SETREGS\t0xd\n"> <LIT_CHARS "#endif\n">]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('includes_NetBSD', {[SQ <LIT_CHARS "\n"> <LIT_CHARS "#include <sys/types.h>\n"> <LIT_CHARS "#include <sys/param.h>\n"> <LIT_CHARS "#include <sys/event.h>\n"> <LIT_CHARS "#include <sys/mman.h>\n"> <LIT_CHARS "#include <sys/socket.h>\n"> <LIT_CHARS "#include <sys/sockio.h>\n"> <LIT_CHARS "#include <sys/sysctl.h>\n"> <LIT_CHARS "#include <sys/termios.h>\n"> <LIT_CHARS "#include <sys/ttycom.h>\n"> <LIT_CHARS "#include <sys/wait.h>\n"> <LIT_CHARS "#include <net/bpf.h>\n"> <LIT_CHARS "#include <net/if.h>\n"> <LIT_CHARS "#include <net/if_types.h>\n"> <LIT_CHARS "#include <net/route.h>\n"> <LIT_CHARS "#include <netinet/in.h>\n"> <LIT_CHARS "#include <netinet/in_systm.h>\n"> <LIT_CHARS "#include <netinet/ip.h>\n"> <LIT_CHARS "#include <netinet/ip_mroute.h>\n"> <LIT_CHARS "#include <netinet/if_ether.h>\n"> <LIT_CHARS "\n"> <LIT_CHARS "// Needed since <sys/param.h> refers to it...\n"> <LIT_CHARS "#define schedppq 1\n">]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('includes_OpenBSD', {[SQ <LIT_CHARS "\n"> <LIT_CHARS "#include <sys/types.h>\n"> <LIT_CHARS "#include <sys/param.h>\n"> <LIT_CHARS "#include <sys/event.h>\n"> <LIT_CHARS "#include <sys/mman.h>\n"> <LIT_CHARS "#include <sys/socket.h>\n"> <LIT_CHARS "#include <sys/sockio.h>\n"> <LIT_CHARS "#include <sys/sysctl.h>\n"> <LIT_CHARS "#include <sys/termios.h>\n"> <LIT_CHARS "#include <sys/ttycom.h>\n"> <LIT_CHARS "#include <sys/wait.h>\n"> <LIT_CHARS "#include <net/bpf.h>\n"> <LIT_CHARS "#include <net/if.h>\n"> <LIT_CHARS "#include <net/if_types.h>\n"> <LIT_CHARS "#include <net/if_var.h>\n"> <LIT_CHARS "#include <net/route.h>\n"> <LIT_CHARS "#include <netinet/in.h>\n"> <LIT_CHARS "#include <netinet/in_systm.h>\n"> <LIT_CHARS "#include <netinet/ip.h>\n"> <LIT_CHARS "#include <netinet/ip_mroute.h>\n"> <LIT_CHARS "#include <netinet/if_ether.h>\n"> <LIT_CHARS "#include <net/if_bridge.h>\n"> <LIT_CHARS "\n"> <LIT_CHARS "// We keep some constants not supported in OpenBSD 5.5 and beyond for\n"> <LIT_CHARS "// the promise of compatibility.\n"> <LIT_CHARS "#define EMUL_ENABLED\t\t0x1\n"> <LIT_CHARS "#define EMUL_NATIVE\t\t0x2\n"> <LIT_CHARS "#define IPV6_FAITH\t\t0x1d\n"> <LIT_CHARS "#define IPV6_OPTIONS\t\t0x1\n"> <LIT_CHARS "#define IPV6_RTHDR_STRICT\t0x1\n"> <LIT_CHARS "#define IPV6_SOCKOPT_RESERVED1\t0x3\n"> <LIT_CHARS "#define SIOCGIFGENERIC\t\t0xc020693a\n"> <LIT_CHARS "#define SIOCSIFGENERIC\t\t0x80206939\n"> <LIT_CHARS "#define WALTSIG\t\t\t0x4\n">]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('includes_SunOS', {[SQ <LIT_CHARS "\n"> <LIT_CHARS "#include <limits.h>\n"> <LIT_CHARS "#include <sys/types.h>\n"> <LIT_CHARS "#include <sys/socket.h>\n"> <LIT_CHARS "#include <sys/sockio.h>\n"> <LIT_CHARS "#include <sys/mman.h>\n"> <LIT_CHARS "#include <sys/wait.h>\n"> <LIT_CHARS "#include <sys/ioctl.h>\n"> <LIT_CHARS "#include <net/bpf.h>\n"> <LIT_CHARS "#include <net/if.h>\n"> <LIT_CHARS "#include <net/if_arp.h>\n"> <LIT_CHARS "#include <net/if_types.h>\n"> <LIT_CHARS "#include <net/route.h>\n"> <LIT_CHARS "#include <netinet/in.h>\n"> <LIT_CHARS "#include <termios.h>\n"> <LIT_CHARS "#include <netinet/ip.h>\n"> <LIT_CHARS "#include <netinet/ip_mroute.h>\n">]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('includes', {[SQ <LIT_CHARS "\n"> <LIT_CHARS "#include <sys/types.h>\n"> <LIT_CHARS "#include <sys/file.h>\n"> <LIT_CHARS "#include <fcntl.h>\n"> <LIT_CHARS "#include <dirent.h>\n"> <LIT_CHARS "#include <sys/socket.h>\n"> <LIT_CHARS "#include <netinet/in.h>\n"> <LIT_CHARS "#include <netinet/ip.h>\n"> <LIT_CHARS "#include <netinet/ip6.h>\n"> <LIT_CHARS "#include <netinet/tcp.h>\n"> <LIT_CHARS "#include <errno.h>\n"> <LIT_CHARS "#include <sys/signal.h>\n"> <LIT_CHARS "#include <signal.h>\n"> <LIT_CHARS "#include <sys/resource.h>\n"> <LIT_CHARS "#include <time.h>\n">]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('ccflags', {[DQ [VarSub @]]})])
  (Subshell
    (List
      (Com {[LIT_CHARS echo]} {[LIT_CHARS package]} {[LIT_CHARS unix]}      )
      (Com {[LIT_CHARS echo]}      )
      (Com {[LIT_CHARS echo]} {[SQ <LIT_CHARS "/*">]}      )
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('indirect', {[DQ [LIT_CHARS includes_][ComSub (Com {[LIT_CHARS uname]})]]})])
      (Com {[LIT_CHARS echo]} {[DQ [VarSub indirect transform_ops=[(!ref)]][LIT_CHARS " "][VarSub includes]]}      )
      (Com {[LIT_CHARS echo]} {[SQ <LIT_CHARS "*/">]}      )
      (Com {[LIT_CHARS echo]} {[SQ <LIT_CHARS "import \"C\"">]}      )
      (Com {[LIT_CHARS echo]} {[SQ <LIT_CHARS "import \"syscall\"">]}      )
      (Com {[LIT_CHARS echo]}      )
      (Com {[LIT_CHARS echo]} {[SQ <LIT_CHARS "const (">]}      )
      (Pipeline
        (Com {[LIT_CHARS echo]} {[DQ [VarSub indirect transform_ops=[(!ref)]][LIT_CHARS " "][VarSub includes]]}        )
        (Com {[VarSub CC]} {[LIT_CHARS -x]} {[LIT_CHARS c]} {[LIT_CHARS -]} {[LIT_CHARS -E]} {[LIT_CHARS -dM]} {[VarSub ccflags]}        )
        (Com {[LIT_CHARS awk]} {[SQ <LIT_CHARS "\n"> <LIT_CHARS "\t\t$1 != \"#define\" || $2 ~ /\\(/ || $3 == \"\" {next}\n"> <LIT_CHARS "\n"> <LIT_CHARS "\t\t$2 ~ /^E([ABCD]X|[BIS]P|[SD]I|S|FL)$/ {next}  # 386 registers\n"> <LIT_CHARS "\t\t$2 ~ /^(SIGEV_|SIGSTKSZ|SIGRT(MIN|MAX))/ {next}\n"> <LIT_CHARS "\t\t$2 ~ /^(SCM_SRCRT)$/ {next}\n"> <LIT_CHARS "\t\t$2 ~ /^(MAP_FAILED)$/ {next}\n"> <LIT_CHARS "\t\t$2 ~ /^ELF_.*$/ {next}# <asm/elf.h> contains ELF_ARCH, etc.\n"> <LIT_CHARS "\n"> <LIT_CHARS "\t\t$2 ~ /^EXTATTR_NAMESPACE_NAMES/ ||\n"> <LIT_CHARS "\t\t$2 ~ /^EXTATTR_NAMESPACE_[A-Z]+_STRING/ {next}\n"> <LIT_CHARS "\n"> <LIT_CHARS "\t\t$2 !~ /^ETH_/ &&\n"> <LIT_CHARS "\t\t$2 !~ /^EPROC_/ &&\n"> <LIT_CHARS "\t\t$2 !~ /^EQUIV_/ &&\n"> <LIT_CHARS "\t\t$2 !~ /^EXPR_/ &&\n"> <LIT_CHARS "\t\t$2 ~ /^E[A-Z0-9_]+$/ ||\n"> <LIT_CHARS "\t\t$2 ~ /^B[0-9_]+$/ ||\n"> <LIT_CHARS "\t\t$2 == \"BOTHER\" ||\n"> <LIT_CHARS "\t\t$2 ~ /^CI?BAUD(EX)?$/ ||\n"> <LIT_CHARS "\t\t$2 == \"IBSHIFT\" ||\n"> <LIT_CHARS "\t\t$2 ~ /^V[A-Z0-9]+$/ ||\n"> <LIT_CHARS "\t\t$2 ~ /^CS[A-Z0-9]/ ||\n"> <LIT_CHARS "\t\t$2 ~ /^I(SIG|CANON|CRNL|UCLC|EXTEN|MAXBEL|STRIP|UTF8)$/ ||\n"> <LIT_CHARS "\t\t$2 ~ /^IGN/ ||\n"> <LIT_CHARS "\t\t$2 ~ /^IX(ON|ANY|OFF)$/ ||\n"> <LIT_CHARS "\t\t$2 ~ /^IN(LCR|PCK)$/ ||\n"> <LIT_CHARS "\t\t$2 ~ /(^FLU?SH)|(FLU?SH$)/ ||\n"> <LIT_CHARS "\t\t$2 ~ /^C(LOCAL|READ|MSPAR|RTSCTS)$/ ||\n"> <LIT_CHARS "\t\t$2 == \"BRKINT\" ||\n"> <LIT_CHARS "\t\t$2 == \"HUPCL\" ||\n"> <LIT_CHARS "\t\t$2 == \"PENDIN\" ||\n"> <LIT_CHARS "\t\t$2 == \"TOSTOP\" ||\n"> <LIT_CHARS "\t\t$2 == \"XCASE\" ||\n"> <LIT_CHARS "\t\t$2 == \"ALTWERASE\" ||\n"> <LIT_CHARS "\t\t$2 == \"NOKERNINFO\" ||\n"> <LIT_CHARS "\t\t$2 ~ /^PAR/ ||\n"> <LIT_CHARS "\t\t$2 ~ /^SIG[^_]/ ||\n"> <LIT_CHARS "\t\t$2 ~ /^O[CNPFPL][A-Z]+[^_][A-Z]+$/ ||\n"> <LIT_CHARS "\t\t$2 ~ /^(NL|CR|TAB|BS|VT|FF)DLY$/ ||\n"> <LIT_CHARS "\t\t$2 ~ /^(NL|CR|TAB|BS|VT|FF)[0-9]$/ ||\n"> <LIT_CHARS "\t\t$2 ~ /^O?XTABS$/ ||\n"> <LIT_CHARS "\t\t$2 ~ /^TC[IO](ON|OFF)$/ ||\n"> <LIT_CHARS "\t\t$2 ~ /^IN_/ ||\n"> <LIT_CHARS "\t\t$2 ~ /^LOCK_(SH|EX|NB|UN)$/ ||\n"> <LIT_CHARS "\t\t$2 ~ /^(AF|SOCK|SO|SOL|IPPROTO|IP|IPV6|ICMP6|TCP|EVFILT|NOTE|EV|SHUT|PROT|MAP|PACKET|MSG|SCM|MCL|DT|MADV|PR)_/ ||\n"> <LIT_CHARS "\t\t$2 == \"ICMPV6_FILTER\" ||\n"> <LIT_CHARS "\t\t$2 == \"SOMAXCONN\" ||\n"> <LIT_CHARS "\t\t$2 == \"NAME_MAX\" ||\n"> <LIT_CHARS "\t\t$2 == \"IFNAMSIZ\" ||\n"> <LIT_CHARS "\t\t$2 ~ /^CTL_(MAXNAME|NET|QUERY)$/ ||\n"> <LIT_CHARS "\t\t$2 ~ /^SYSCTL_VERS/ ||\n"> <LIT_CHARS "\t\t$2 ~ /^(MS|MNT)_/ ||\n"> <LIT_CHARS "\t\t$2 ~ /^TUN(SET|GET|ATTACH|DETACH)/ ||\n"> <LIT_CHARS "\t\t$2 ~ /^(O|F|FD|NAME|S|PTRACE|PT)_/ ||\n"> <LIT_CHARS "\t\t$2 ~ /^LINUX_REBOOT_CMD_/ ||\n"> <LIT_CHARS "\t\t$2 ~ /^LINUX_REBOOT_MAGIC[12]$/ ||\n"> <LIT_CHARS "\t\t$2 !~ \"NLA_TYPE_MASK\" &&\n"> <LIT_CHARS "\t\t$2 ~ /^(NETLINK|NLM|NLMSG|NLA|IFA|IFAN|RT|RTCF|RTN|RTPROT|RTNH|ARPHRD|ETH_P)_/ ||\n"> <LIT_CHARS "\t\t$2 ~ /^SIOC/ ||\n"> <LIT_CHARS "\t\t$2 ~ /^TIOC/ ||\n"> <LIT_CHARS "\t\t$2 ~ /^TCGET/ ||\n"> <LIT_CHARS "\t\t$2 ~ /^TCSET/ ||\n"> <LIT_CHARS "\t\t$2 ~ /^TC(FLSH|SBRKP?|XONC)$/ ||\n"> <LIT_CHARS "\t\t$2 !~ \"RTF_BITS\" &&\n"> <LIT_CHARS "\t\t$2 ~ /^(IFF|IFT|NET_RT|RTM|RTF|RTV|RTA|RTAX)_/ ||\n"> <LIT_CHARS "\t\t$2 ~ /^BIOC/ ||\n"> <LIT_CHARS "\t\t$2 ~ /^RUSAGE_(SELF|CHILDREN|THREAD)/ ||\n"> <LIT_CHARS "\t\t$2 ~ /^RLIMIT_(AS|CORE|CPU|DATA|FSIZE|NOFILE|STACK)|RLIM_INFINITY/ ||\n"> <LIT_CHARS "\t\t$2 ~ /^PRIO_(PROCESS|PGRP|USER)/ ||\n"> <LIT_CHARS "\t\t$2 ~ /^CLONE_[A-Z_]+/ ||\n"> <LIT_CHARS "\t\t$2 !~ /^(BPF_TIMEVAL)$/ &&\n"> <LIT_CHARS "\t\t$2 ~ /^(BPF|DLT)_/ ||\n"> <LIT_CHARS "\t\t$2 ~ /^CLOCK_/ ||\n"> <LIT_CHARS "\t\t$2 !~ \"WMESGLEN\" &&\n"> <LIT_CHARS "\t\t$2 ~ /^W[A-Z0-9]+$/ {printf(\"\\t%s = C.%s\\n\", $2, $2)}\n"> <LIT_CHARS "\t\t$2 ~ /^__WCOREFLAG$/ {next}\n"> <LIT_CHARS "\t\t$2 ~ /^__W[A-Z0-9]+$/ {printf(\"\\t%s = C.%s\\n\", substr($2,3), $2)}\n"> <LIT_CHARS "\n"> <LIT_CHARS "\t\t{next}\n"> <LIT_CHARS "\t">]}        )
        (Com {[LIT_CHARS sort]}        )
      )
      (Com {[LIT_CHARS echo]} {[SQ <LIT_CHARS ")">]}      )
    )
  )
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('errors', {[ComSub (Pipeline (Com {[LIT_CHARS echo]} {[SQ <LIT_CHARS "#include <errno.h>">]}) (Com {[VarSub CC]} {[LIT_CHARS -x]} {[LIT_CHARS c]} {[LIT_CHARS -]} {[LIT_CHARS -E]} {[LIT_CHARS -dM]} {[VarSub ccflags]}) (Com {[LIT_CHARS awk]} {[SQ <LIT_CHARS "$1==\"#define\" && $2 ~ /^E[A-Z0-9_]+$/ { print $2 }">]}) (Com {[LIT_CHARS sort]}) )]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('signals', {[ComSub (Pipeline (Com {[LIT_CHARS echo]} {[SQ <LIT_CHARS "#include <signal.h>">]}) (Com {[VarSub CC]} {[LIT_CHARS -x]} {[LIT_CHARS c]} {[LIT_CHARS -]} {[LIT_CHARS -E]} {[LIT_CHARS -dM]} {[VarSub ccflags]}) (Com {[LIT_CHARS awk]} {[SQ <LIT_CHARS "$1==\"#define\" && $2 ~ /^SIG[A-Z0-9]+$/ { print $2 }">]}) (Com {[LIT_CHARS egrep]} {[LIT_CHARS -v]} {[SQ <LIT_CHARS "(SIGSTKSIZE|SIGSTKSZ|SIGRT)">]}) (Com {[LIT_CHARS sort]}) )]})])
  (Pipeline
    (Com {[LIT_CHARS echo]} {[SQ <LIT_CHARS "#include <errno.h>">]}    )
    (Com {[VarSub CC]} {[LIT_CHARS -x]} {[LIT_CHARS c]} {[LIT_CHARS -]} {[LIT_CHARS -E]} {[LIT_CHARS -dM]} {[VarSub ccflags]}    )
    (Com {[LIT_CHARS awk]} {[SQ <LIT_CHARS "$1==\"#define\" && $2 ~ /^E[A-Z0-9_]+$/ { print \"^\\t\" $2 \"[ \\t]*=\" }">]}    )
    (Com {[LIT_CHARS sort]}
      <
      (FilenameRedirectNode filename={[LIT_CHARS _error.grep]} <REDIR_GREAT ">"> 1),
      >
    )
  )
  (Pipeline
    (Com {[LIT_CHARS echo]} {[SQ <LIT_CHARS "#include <signal.h>">]}    )
    (Com {[VarSub CC]} {[LIT_CHARS -x]} {[LIT_CHARS c]} {[LIT_CHARS -]} {[LIT_CHARS -E]} {[LIT_CHARS -dM]} {[VarSub ccflags]}    )
    (Com {[LIT_CHARS awk]} {[SQ <LIT_CHARS "$1==\"#define\" && $2 ~ /^SIG[A-Z0-9]+$/ { print \"^\\t\" $2 \"[ \\t]*=\" }">]}    )
    (Com {[LIT_CHARS egrep]} {[LIT_CHARS -v]} {[SQ <LIT_CHARS "(SIGSTKSIZE|SIGSTKSZ|SIGRT)">]}    )
    (Com {[LIT_CHARS sort]}
      <
      (FilenameRedirectNode filename={[LIT_CHARS _signal.grep]} <REDIR_GREAT ">"> 1),
      >
    )
  )
  (Com {[LIT_CHARS echo]} {[SQ <LIT_CHARS "// mkerrors.sh">]} {[DQ [VarSub @]]}  )
  (Com {[LIT_CHARS echo]} {[SQ <LIT_CHARS "// MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT">]}  )
  (Com {[LIT_CHARS echo]}  )
  (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "// +build "][VarSub GOARCH][LIT_CHARS ","][VarSub GOOS]]}  )
  (Com {[LIT_CHARS echo]}  )
  (Com {[LIT_CHARS go]} {[LIT_CHARS tool]} {[LIT_CHARS cgo]} {[LIT_CHARS -godefs]} {[LIT_CHARS --]} {[DQ [VarSub @]]} {[LIT_CHARS _const.go]}
    <
    (FilenameRedirectNode filename={[LIT_CHARS _error.out]} <REDIR_GREAT ">"> 1),
    >
  )
  (Pipeline
    (Com {[LIT_CHARS cat]} {[LIT_CHARS _error.out]}    )
    (Com {[LIT_CHARS grep]} {[LIT_CHARS -vf]} {[LIT_CHARS _error.grep]}    )
    (Com {[LIT_CHARS grep]} {[LIT_CHARS -vf]} {[LIT_CHARS _signal.grep]}    )
  )
  (Com {[LIT_CHARS echo]}  )
  (Com {[LIT_CHARS echo]} {[SQ <LIT_CHARS "// Errors">]}  )
  (Com {[LIT_CHARS echo]} {[SQ <LIT_CHARS "const (">]}  )
  (Pipeline
    (Com {[LIT_CHARS cat]} {[LIT_CHARS _error.out]}    )
    (Com {[LIT_CHARS grep]} {[LIT_CHARS -f]} {[LIT_CHARS _error.grep]}    )
    (Com {[LIT_CHARS sed]} {[SQ <LIT_CHARS "s/=\\(.*\\)/= syscall.Errno(\\1)/">]}    )
  )
  (Com {[LIT_CHARS echo]} {[SQ <LIT_CHARS ")">]}  )
  (Com {[LIT_CHARS echo]}  )
  (Com {[LIT_CHARS echo]} {[SQ <LIT_CHARS "// Signals">]}  )
  (Com {[LIT_CHARS echo]} {[SQ <LIT_CHARS "const (">]}  )
  (Pipeline
    (Com {[LIT_CHARS cat]} {[LIT_CHARS _error.out]}    )
    (Com {[LIT_CHARS grep]} {[LIT_CHARS -f]} {[LIT_CHARS _signal.grep]}    )
    (Com {[LIT_CHARS sed]} {[SQ <LIT_CHARS "s/=\\(.*\\)/= syscall.Signal(\\1)/">]}    )
  )
  (Com {[LIT_CHARS echo]} {[SQ <LIT_CHARS ")">]}  )
  (Subshell
    (List
      (Com {[LIT_CHARS echo]} {[LIT_CHARS -E]} {[DQ [LIT_CHARS "\n"][LIT_CHARS "#include <stdio.h>\n"][LIT_CHARS "#include <stdlib.h>\n"][LIT_CHARS "#include <errno.h>\n"][LIT_CHARS "#include <ctype.h>\n"][LIT_CHARS "#include <string.h>\n"][LIT_CHARS "#include <signal.h>\n"][LIT_CHARS "\n"][LIT_CHARS "#define nelem(x) (sizeof(x)/sizeof((x)[0]))\n"][LIT_CHARS "\n"][LIT_CHARS "enum { A = 'A', Z = 'Z', a = 'a', z = 'z' }; // avoid need for single quotes below\n"][LIT_CHARS "\n"][LIT_CHARS "int errors[] = {\n"]]}      )
      (For i [{[VarSub errors]}])
        (Com {[LIT_CHARS echo]} {[LIT_CHARS -E]} {[SQ <LIT_CHARS "\t">] [VarSub i] [LIT_COMMA ","]}        )
      )
      (Com {[LIT_CHARS echo]} {[LIT_CHARS -E]} {[DQ [LIT_CHARS "\n"][LIT_CHARS "};\n"][LIT_CHARS "\n"][LIT_CHARS "int signals[] = {\n"]]}      )
      (For i [{[VarSub signals]}])
        (Com {[LIT_CHARS echo]} {[LIT_CHARS -E]} {[SQ <LIT_CHARS "\t">] [VarSub i] [LIT_COMMA ","]}        )
      )
      (Com {[LIT_CHARS echo]} {[LIT_CHARS -E]} {[SQ <LIT_CHARS "\n"> <LIT_CHARS "};\n"> <LIT_CHARS "\n"> <LIT_CHARS "static int\n"> <LIT_CHARS "intcmp(const void *a, const void *b)\n"> <LIT_CHARS "{\n"> <LIT_CHARS "\treturn *(int*)a - *(int*)b;\n"> <LIT_CHARS "}\n"> <LIT_CHARS "\n"> <LIT_CHARS "int\n"> <LIT_CHARS "main(void)\n"> <LIT_CHARS "{\n"> <LIT_CHARS "\tint i, j, e;\n"> <LIT_CHARS "\tchar buf[1024], *p;\n"> <LIT_CHARS "\n"> <LIT_CHARS "\tprintf(\"\\n\\n// Error table\\n\");\n"> <LIT_CHARS "\tprintf(\"var errors = [...]string {\\n\");\n"> <LIT_CHARS "\tqsort(errors, nelem(errors), sizeof errors[0], intcmp);\n"> <LIT_CHARS "\tfor(i=0; i<nelem(errors); i++) {\n"> <LIT_CHARS "\t\te = errors[i];\n"> <LIT_CHARS "\t\tif(i > 0 && errors[i-1] == e)\n"> <LIT_CHARS "\t\t\tcontinue;\n"> <LIT_CHARS "\t\tstrcpy(buf, strerror(e));\n"> <LIT_CHARS "\t\t// lowercase first letter: Bad -> bad, but STREAM -> STREAM.\n"> <LIT_CHARS "\t\tif(A <= buf[0] && buf[0] <= Z && a <= buf[1] && buf[1] <= z)\n"> <LIT_CHARS "\t\t\tbuf[0] += a - A;\n"> <LIT_CHARS "\t\tprintf(\"\\t%d: \\\"%s\\\",\\n\", e, buf);\n"> <LIT_CHARS "\t}\n"> <LIT_CHARS "\tprintf(\"}\\n\\n\");\n"> <LIT_CHARS "\t\n"> <LIT_CHARS "\tprintf(\"\\n\\n// Signal table\\n\");\n"> <LIT_CHARS "\tprintf(\"var signals = [...]string {\\n\");\n"> <LIT_CHARS "\tqsort(signals, nelem(signals), sizeof signals[0], intcmp);\n"> <LIT_CHARS "\tfor(i=0; i<nelem(signals); i++) {\n"> <LIT_CHARS "\t\te = signals[i];\n"> <LIT_CHARS "\t\tif(i > 0 && signals[i-1] == e)\n"> <LIT_CHARS "\t\t\tcontinue;\n"> <LIT_CHARS "\t\tstrcpy(buf, strsignal(e));\n"> <LIT_CHARS "\t\t// lowercase first letter: Bad -> bad, but STREAM -> STREAM.\n"> <LIT_CHARS "\t\tif(A <= buf[0] && buf[0] <= Z && a <= buf[1] && buf[1] <= z)\n"> <LIT_CHARS "\t\t\tbuf[0] += a - A;\n"> <LIT_CHARS "\t\t// cut trailing : number.\n"> <LIT_CHARS "\t\tp = strrchr(buf, \":\"[0]);\n"> <LIT_CHARS "\t\tif(p)\n"> <LIT_CHARS "\t\t\t*p = ">] [\ LIT_ESCAPED_CHAR "\\0"] [SQ <LIT_CHARS ";\n"> <LIT_CHARS "\t\tprintf(\"\\t%d: \\\"%s\\\",\\n\", e, buf);\n"> <LIT_CHARS "\t}\n"> <LIT_CHARS "\tprintf(\"}\\n\\n\");\n"> <LIT_CHARS "\n"> <LIT_CHARS "\treturn 0;\n"> <LIT_CHARS "}\n"> <LIT_CHARS "\n">]}      )
    )
  )
  (AndOr OP_AND_IF
    (Com {[VarSub CC]} {[VarSub ccflags]} {[LIT_CHARS -o]} {[LIT_CHARS _errors]} {[LIT_CHARS _errors.c]}    )
    (AndOr OP_AND_IF
      (Com {[VarSub GORUN]} {[LIT_CHARS ./_errors]}      )
      (Com {[LIT_CHARS rm]} {[LIT_CHARS -f]} {[LIT_CHARS _errors.c]} {[LIT_CHARS _errors]} {[LIT_CHARS _const.go]} {[LIT_CHARS _error.grep]} {[LIT_CHARS _signal.grep]} {[LIT_CHARS _error.out]}      )
    )
  )
)