Explanation, someone??

[Burzin N. Engineer]

Hi,
	I just gave an interview which had a C quiz and there was this program
that really confused me. I have compiled the program and can still not figure
out what is going on. Any reference or help will be appreciated.
---
char *c[] = {
  "ENTER",
  "NEW",
  "POINT",
  "FIRST"
  };
char **cp[] = { c+3, c+2, c+1, c};
char ***cpp = cp;
main()
{
  printf("%s", *++cpp);
  printf("%s", *--*++cpp+3);
  printf("%s", *cpp[-2]+3);
  printf("%s\n", cpp[-1][-1]+1 );
}

When run it produces:
ERSTEW
=========================================
Another one is :
char input[] = "SSSWILTECH1\1\11W\1WALLMP1";
main()
{
  int i, c ;

for (i=2; (c=input[i]) != '\0'; i++){
  switch(c) {
  case 'a': putchar('i'); continue;
  case '1': break;
  case 1: while((c = input[++i]) != '\1' && c!='0' );
  case 9: putchar('S');
  case 'E':
  case 'L': continue;
  default: putchar(c);
           continue;
  }
  putchar(' ');
}
putchar('\n');
}

which produces:
SWITCH SWAMP

...and to think I thought I knew C.
I would sincerely appreciate some explanation. Thank You.
-- 
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