i86/mtx-16-bit/mtx/samples/LAST/crt0.c

   1 // crt0.c : main0(s) called from u.s, where s = oigianl command string
   2 //          tokenlize s into char *argv[ ] and call main(argc, argv).
   3
   4 // token() breaks up a string into argc of tokens, pointed by argv[]
   5
   6 int argc;
   7 char *argv[32];
   8
   9 int token(line) char *line;
  10 {
  11   int i;
  12   char *cp;
  13   cp = line;
  14   argc = 0;
  15
  16   while (*cp != 0){
  17        while (*cp == ' ') *cp++ = 0;
  18        if (*cp != 0)
  19            argv[argc++] = cp;
  20        while (*cp != ' ' && *cp != 0) cp++;
  21        if (*cp != 0)
  22            *cp = 0;
  23        else
  24             break;
  25        cp++;
  26   }
  27   argv[argc] = 0;
  28 }
  29
  30 int showarg(argc, argv) int argc; char *argv[];
  31 {
  32   int i;
  33   printf("argc=%d ", argc);
  34   for (i=0; i<argc; i++)
  35     printf("argv[%d]=%s ", i, argv[i]);
  36   printf("\n");
  37 }
  38
  39 int main0(s) char *s;
  40 {
  41   token(s);
  42   main(argc, argv);
  43 }
  44