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}
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}
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/* a custom argv-parsing routine that looks directly inside the PSP, avoids the need
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/* a custom argv-parsing routine that looks directly inside the PSP, avoids the need
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 * of argc and argv, saves some 330 bytes of binary size */
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 * of argc and argv, saves some 330 bytes of binary size */
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static char *parseargv(void) {
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static const char *parseargv(void) {
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  char *tail = (void *)0x81; /* THIS WORKS ONLY IN SMALL MEMORY MODEL */
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  char *tail = (void *)0x81; /* THIS WORKS ONLY IN SMALL MEMORY MODEL */
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  unsigned short count = 0;
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  unsigned short count = 0;
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  char *argv[4];
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  char *argv[2];
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  while (count < 4) {
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  while (count < 2) {
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    /* jump to nearest arg */
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    /* jump to nearest arg */
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    while (*tail == ' ') {
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    while (*tail == ' ') {
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      *tail = 0;
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      *tail = 0;
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      tail++;
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      tail++;
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    }
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    }
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    while ((*tail != ' ') && (*tail != '\r')) tail++;
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    while ((*tail != ' ') && (*tail != '\r')) tail++;
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  }
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  }
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  /* check args now */
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  /* check args now */
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  if (count == 0) return("");
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  if (count == 0) return("");
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  if (count == 1) return(argv[0]);
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  return(argv[0]);
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  return(NULL);
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}
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}
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/* returns 0 on success, 1 on file not found, 2 on other error */
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/* returns 0 on success, 1 on file not found, 2 on other error */
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static unsigned char loadfile(struct file *db, const char *fname) {
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static unsigned char loadfile(struct file *db, const char *fname) {