Function usage

src/env.c:106–183

};

void
usage (int status)
{
  if (status != EXIT_SUCCESS)
    emit_try_help ();
  else
    {
      printf (_("\
Usage: %s [OPTION]... [-] [NAME=VALUE]... [COMMAND [ARG]...]\n"),
              program_name);
      fputs (_("\
Set each NAME to VALUE in the environment and run COMMAND.\n\
"), stdout);

      emit_mandatory_arg_note ();

      oputs (_("\
  -a, --argv0=ARG\n\
         pass ARG as the zeroth argument of COMMAND\n\
"));
      oputs (_("\
  -i, --ignore-environment\n\
         start with an empty environment\n\
"));
      oputs (_("\
  -0, --null\n\
         end each output line with NUL, not newline\n\
"));
      oputs (_("\
  -u, --unset=NAME\n\
         remove variable from the environment\n\
"));
      oputs (_("\
  -C, --chdir=DIR\n\
         change working directory to DIR\n\
"));
      oputs (_("\
  -S, --split-string=S\n\
         process and split S into separate arguments;\n\
         used to pass multiple arguments on shebang lines\n\
"));
      oputs (_("\
      --block-signal[=SIG]\n\
         block delivery of SIG signal(s) to COMMAND\n\
"));
      oputs (_("\
      --default-signal[=SIG]\n\
         reset handling of SIG signal(s) to the default\n\
"));
      oputs (_("\
      --ignore-signal[=SIG]\n\
         set handling of SIG signal(s) to do nothing\n\
"));
      oputs (_("\
      --list-signal-handling\n\
         list non default signal handling to standard error\n\
"));
      oputs (_("\