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  return(NULL); /* command is not recognized as internal */
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  return(NULL); /* command is not recognized as internal */
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}
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}
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/* explodes a command into an array of arguments where last arg is NULL
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/* explodes a command into an array of arguments where last arg is NULL.
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 * if argvlist is not NULL, it will be filled with pointers that point to buff
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 * locations. buff is filled with all the arguments, each argument being
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 * zero-separated. buff is terminated with an empty argument to mark the end
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 * of arguments.
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 * returns number of args */
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 * returns number of args */
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static unsigned short cmd_explode(char *buff, const char far *s, char const **argvlist) {
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unsigned short cmd_explode(char *buff, const char far *s, char const **argvlist) {
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  int si = 0, argc = 0, i = 0;
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  int si = 0, argc = 0, i = 0;
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  for (;;) {
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  for (;;) {
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    /* skip to next non-space character */
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    /* skip to next non-space character */
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    while (s[si] == ' ') si++;
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    while (s[si] == ' ') si++;
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    /* end of string? */
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    /* end of string? */
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    if (s[si] == 0) break;
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    if (s[si] == 0) break;
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    /* set argv ptr */
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    /* set argv ptr */
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    argvlist[argc++] = buff + i;
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    if (argvlist) argvlist[argc] = buff + i;
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    argc++;
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    /* find next arg delimiter (spc, null, slash or plus) while copying arg to local buffer */
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    /* find next arg delimiter (spc, null, slash or plus) while copying arg to local buffer */
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    do {
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    do {
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      buff[i++] = s[si++];
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      buff[i++] = s[si++];
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    } while (s[si] != ' ' && s[si] != 0 && s[si] != '/' && s[si] != '+');
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    } while (s[si] != ' ' && s[si] != 0 && s[si] != '/' && s[si] != '+');
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    buff[i++] = 0;
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    buff[i++] = 0;
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    /* is this end of string? */
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    /* is this end of string? */
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    if (s[si] == 0) break;
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    if (s[si] == 0) break;
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  }
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  }
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  buff[i] = 0; /* terminate with one extra zero to tell "this is the end of list" */
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  argvlist[argc] = NULL;
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  if (argvlist) argvlist[argc] = NULL;
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  return(argc);
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  return(argc);
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}
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}
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int cmd_process(struct rmod_props far *rmod, unsigned short env_seg, const char *cmdline, void *BUFFER, unsigned short BUFFERSZ) {
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int cmd_process(struct rmod_props far *rmod, unsigned short env_seg, const char *cmdline, void *BUFFER, unsigned short BUFFERSZ) {