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

```asm
<main>:
  endbr64
  sub    $0x408,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x3f8(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rdi
  lea    D17(%rip),%rsi
  mov    $0x7d,%ecx
  rep movsq %ds:(%rsi),%es:(%rdi)
  movzbl (%rsi),%eax
  mov    %al,(%rdi)
  lea    0xd(%rsp),%rsi
  mov    $0x0,%edi
  mov    $0x0,%r8d
  jmp    L40
L20:
  cmp    %rcx,%rdi
  cmovl  %rcx,%rdi
  add    $0x1,%r8d
  add    $0x1,%rsi
  cmp    $0x3db,%r8d
  je     L14
L40:
  lea    -0xd(%rsi),%rdx
  mov    $0x1,%ecx
L15:
  movsbl (%rdx),%eax
  sub    $0x30,%eax
  cltq
  imul   %rax,%rcx
  add    $0x1,%rdx
  cmp    %rsi,%rdx
  jne    L15
  jmp    L20
L14:
  mov    %rdi,%rsi
  lea    D12(%rip),%rdi
  call   <printf@plt>
  mov    0x3f8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L36
  mov    $0x0,%eax
  add    $0x408,%rsp
  ret
L36:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: label: D17
data_type: string
name: read_data
arguments: label: D12
data_type: string

tool: D17: 7316717653133062491922511967442657474235534919493496983520312774506326239578318016984801869478851843858615607891129494954595017379583319528532088055111254069874715852386305071569329096329522744304355766896648950445244523161731856403098711121722383113622298934233803081353362766142828064444866452387493035890729629049156044077239071381051585930796086670172427121883998797908792274921901699720888093776657273330010533678812202354218097512545405947522435258490771167055601360483958644670632441572215539753697817977846174064955149290862569321978468622482839722413756570560574902614079729686524145351004748216637048440319989000889524345065854122758866688116427171479924442928230863465674813919123162824586178664583591245665294765456828489128831426076900422421902267105562632111110937054421750694165896040807198403850962455444362981230987879927244284909188845801561660979191338754992005240636899125607176060588611646710940507754100225698315520005593572972571636269561882670428252483600823257530420752963450

tool: D12: Biggest product: %li


assistant: ```c
int main(void) {
  int digits, count, count2;
  digits = 1000;
  char number[] = "7316717653133062491922511967442657474235534919493496983520312774506326239578318016984801869478851843858615607891129494954595017379583319528532088055111254069874715852386305071569329096329522744304355766896648950445244523161731856403098711121722383113622298934233803081353362766142828064444866452387493035890729629049156044077239071381051585930796086670172427121883998797908792274921901699720888093776657273330010533678812202354218097512545405947522435258490771167055601360483958644670632441572215539753697817977846174064955149290862569321978468622482839722413756570560574902614079729686524145351004748216637048440319989000889524345065854122758866688116427171479924442928230863465674813919123162824586178664583591245665294765456828489128831426076900422421902267105562632111110937054421750694165896040807198403850962455444362981230987879927244284909188845801561660979191338754992005240636899125607176060588611646710940507754100225698315520005593572972571636269561882670428252483600823257530420752963450";
  long product, currentBig;
  currentBig = 0;
  for (count = 0; count < digits - 13; count++) {
    product = 1;
    for (count2 = 0; count2 < 13; count2++) {
      int curNumber = number[count + count2] - 48;
      product *= curNumber;
    }
    if (product > currentBig)
      currentBig = product;
  }
  printf("Biggest product: %li\n", currentBig);
  return 0;
}
```