r **argv;
    int status = -1;
    char *shell, *cmd2;
    int mode = NtSyncProcess ? P_WAIT : P_NOWAIT;
    char **env = NULL;

    env = win32_get_environ();
    /* save an extra exec if possible */
    if ((shell = getenv("RUBYSHELL")) != 0) {
	if (NtHasRedirection(cmd)) {
	    int  i;
	    char *p;
	    char *argv[4];
	    char *cmdline = ALLOC_N(char, (strlen(cmd) * 2 + 1));

	    p=cmdline;           
	    *p++ = '"';
	    for (s=cmd; *s;) {
		if (*s == '"') 
		    *p++ = '\\'; /* Escape d-quote */
		*p++ = *s++;
	    }
	    *p++ = '"';
	    *p   = '\0';

	    /* fprintf(stderr, "do_spawn: %s %s\n", shell, cmdline); */
	    argv[0] = shell;
	    argv[1] = "-c";
	    argv[2] = cmdline;
	    argv[4] = NULL;
	    status = spawnvpe(mode, argv[0], argv, env);
	    /* return spawnle(mode, shell, shell, "-c", cmd, (char*)0, environ); */
	    free(cmdline);
	    if (env) win32_free_environ(env);
	    return (int)((status & 0xff) << 8);
	} 
    }
    else if ((shell = getenv("COMSPEC")) != 0) {
	if (NtHasRedirection(cmd) /* || isInternalCmd(cmd) */) {
	    status = spawnle(mode, shell, shell, "/c", cmd, (char*)0, env);
	    if (env) win32_free_environ(env);
	    return (int)((status & 0xff) << 8);
	}
    }

    argv = ALLOC_N(CHARP, (strlen(cmd) / 2 + 2));
    cmd2 = ALLOC_N(char, (strlen(cmd) + 1));
    strcpy(cmd2, cmd);
    a = argv;
    for (s = cmd2; *s;) {
	while (*s && ISSPACE(*s)) s++;
	if (*s)
	    *(a++) = s;
	while (*s && !ISSPACE(*s)) s++;
	if (*s)
	    *s++ = '\0';
    }
    *a = NULL;
    if (argv[0]) {
	if ((status = spawnvpe(mode, argv[0], argv, env)) == -1) {
	    free(argv);
	    free(cmd2);
	    if (env) win32_free_environ(env);
	    return -1;
	}
    }
    free(cmd2);
    free(argv);
    if (env) win32_free_environ(env);
    return (int)((status & 0xff) << 8);
}

#endif