user: Please show me the C implementation that matches the assembly code listed below:

```asm
<main>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x188,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x178(%rsp)
  xor    %eax,%eax
  lea    0x50(%rsp),%rdi
  lea    D4(%rip),%rsi
  mov    $0x24,%ecx
  rep movsq %ds:(%rsi),%es:(%rdi)
  movzbl (%rsi),%eax
  mov    %al,(%rdi)
  lea    0x50(%rsp),%rdi
  call   <strlen@plt>
  mov    %eax,%r13d
  lea    0x1(%rax),%edi
  call   <malloc@plt>
  mov    %rax,%r15
  mov    $0x0,%edi
  call   <time@plt>
  mov    %eax,%edi
  call   <srand@plt>
  lea    D6(%rip),%rdi
  call   <puts@plt>
  movabs $0x4847464544434241,%rcx
  movabs $0x51504f4e4d4c4b49,%rbx
  mov    %rcx,0x10(%rsp)
  mov    %rbx,0x18(%rsp)
  movabs $0x5958575655545352,%rax
  mov    %rax,0x20(%rsp)
  movw   $0x5a,0x28(%rsp)
  mov    %rcx,0x30(%rsp)
  mov    %rbx,0x38(%rsp)
  mov    %rax,0x40(%rsp)
  movw   $0x5a,0x48(%rsp)
  movsd  D20(%rip),%xmm3
  movsd  %xmm3,0x8(%rsp)
  mov    $0x0,%ebp
  lea    0x30(%rsp),%r12
L14:
  add    $0x1,%ebp
  lea    0x10(%rsp),%rdx
  lea    0x50(%rsp),%rdi
  mov    %r12,%rcx
  mov    %r13d,%esi
  call   <foursquareCrack@plt>
  movq   %xmm0,%rbx
  comisd 0x8(%rsp),%xmm0
  jbe    L14
  mov    %ebp,%esi
  lea    D53(%rip),%rdi
  mov    $0x1,%eax
  call   <printf@plt>
  lea    0x10(%rsp),%r14
  mov    %r12,%rdx
  mov    %r14,%rsi
  lea    D52(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    0x50(%rsp),%rdx
  mov    %r13d,%r8d
  mov    %r15,%rcx
  mov    %r12,%rsi
  mov    %r14,%rdi
  call   <foursquareDecipher@plt>
  mov    %r15,%rsi
  lea    D23(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    %rbx,0x8(%rsp)
  jmp    L14
```

tool_calls: name: read_data
arguments: tag: D4
type: string
name: read_data
arguments: tag: D6
type: string
name: read_data
arguments: tag: D20
type: byte[8]
name: read_data
arguments: tag: D53
type: string
name: read_data
arguments: tag: D52
type: string
name: read_data
arguments: tag: D23
type: string

tool: D4: HMMKEQESDTMDHLAWFWMNKSOSFOMRFNLWLKHNSQGGEKXEOLLVDXNRSQQGARTFKSAVNUDLFNDHESPZGQTWESAGPGSQSQSTPKUSBBQLQHESAGPGSQSQGXLNAVHTPMHMKKNYGSUGDMTPDGFNKYAVHXLWGEKRILESLZZOFNAVIHRHRKAGHSMYUGEGNSRGAVMVOQPRLNKRXLMYLQPXILESQYBNRHRKAGKYQXDIHMPGPYOERZOLBEZLURFWLWUOLDDPNSQYAGMUQPQWESBEZVEQESDTMDBQLWDIUSHB

tool: D6: Running foursquarecrack, this could take a few minutes...

tool: {"D20": [0x1e,0xe5,0xb4,0x11,0x93,0xa1,0xe6,0xd4]}

tool: D53: best score so far: %f, on iteration %d


tool: D52:     Key: '%s','%s'


tool: D23:     plaintext: '%s'


assistant: ```c
int main(int argc, char *argv[]) {
  char cipher[] = "HMMKEQESDTMDHLAWFWMNKSOSFOMRFNLWLKHNSQGGEKXEOLLVDXNRSQQGARTFKSAVNUDLFNDHESPZGQTWESAGPGSQSQSTPKUSBBQLQHESAGPGSQSQGXLNAVHTPMHMKKNYGSUGDMTPDGFNKYAVHXLWGEKRILESLZZOFNAVIHRHRKAGHSMYUGEGNSRGAVMVOQPRLNKRXLMYLQPXILESQYBNRHRKAGKYQXDIHMPGPYOERZOLBEZLURFWLWUOLDDPNSQYAGMUQPQWESBEZVEQESDTMDBQLWDIUSHB";
  int len = strlen(cipher);
  char *out = malloc(sizeof(char) * (len + 1));
  srand((unsigned)time(NULL));
  printf("Running foursquarecrack, this could take a few minutes...\n");
  char key1[] = "ABCDEFGHIKLMNOPQRSTUVWXYZ";
  char key2[] = "ABCDEFGHIKLMNOPQRSTUVWXYZ";
  int i = 0;
  double score, maxscore = -99e99;
  while (1) {
    i++;
    score = foursquareCrack(cipher, len, key1, key2);
    if (score > maxscore) {
      maxscore = score;
      printf("best score so far: %f, on iteration %d\n", score, i);
      printf("    Key: '%s','%s'\n", key1, key2);
      foursquareDecipher(key1, key2, cipher, out, len);
      printf("    plaintext: '%s'\n", out);
    }
  }
  free(out);
  return 0;
}
```