user: What would the C source look like for the assembly code provided here?

```asm
<main>:
  endbr64
  push   %rbx
  xor    %esi,%esi
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rdi
  call   <gettimeofday@plt>
  lea    D27(%rip),%rdi
  call   <factorial@plt>
  mov    %rax,%rdi
  mov    %rax,%rbx
  call   <getStringSize@plt>
  test   %eax,%eax
  jle    L82
  mov    %eax,%edx
  lea    -0x1(%rax),%eax
  cmp    $0xe,%eax
  jbe    L119
  mov    %edx,%ecx
  pxor   %xmm1,%xmm1
  pxor   %xmm6,%xmm6
  mov    %rbx,%rax
  shr    $0x4,%ecx
  movdqa D9(%rip),%xmm5
  pxor   %xmm4,%xmm4
  sub    $0x1,%ecx
  shl    $0x4,%rcx
  lea    0x10(%rbx,%rcx,1),%rcx
  nopw   0x0(%rax,%rax,1)
L26:
  movdqu (%rax),%xmm0
  movdqa %xmm6,%xmm3
  add    $0x10,%rax
  pcmpgtb %xmm0,%xmm3
  movdqa %xmm0,%xmm2
  punpcklbw %xmm3,%xmm2
  punpckhbw %xmm3,%xmm0
  movdqa %xmm4,%xmm3
  paddw  %xmm5,%xmm2
  paddw  %xmm5,%xmm0
  pcmpgtw %xmm2,%xmm3
  movdqa %xmm2,%xmm7
  punpcklwd %xmm3,%xmm7
  punpckhwd %xmm3,%xmm2
  movdqa %xmm0,%xmm3
  paddd  %xmm7,%xmm1
  paddd  %xmm2,%xmm1
  movdqa %xmm4,%xmm2
  pcmpgtw %xmm0,%xmm2
  punpcklwd %xmm2,%xmm3
  punpckhwd %xmm2,%xmm0
  paddd  %xmm3,%xmm1
  paddd  %xmm0,%xmm1
  cmp    %rcx,%rax
  jne    L26
  movdqa %xmm1,%xmm0
  mov    %edx,%eax
  psrldq $0x8,%xmm0
  and    $0xfffffff0,%eax
  paddd  %xmm0,%xmm1
  movdqa %xmm1,%xmm0
  psrldq $0x4,%xmm0
  paddd  %xmm0,%xmm1
  movd   %xmm1,%esi
  test   $0xf,%dl
  je     L13
L176:
  movslq %eax,%rcx
  movsbl (%rbx,%rcx,1),%ecx
  lea    -0x30(%rsi,%rcx,1),%esi
  lea    0x1(%rax),%ecx
  cmp    %ecx,%edx
  jle    L13
  movslq %ecx,%rcx
  movsbl (%rbx,%rcx,1),%ecx
  lea    -0x30(%rsi,%rcx,1),%esi
  lea    0x2(%rax),%ecx
  cmp    %edx,%ecx
  jge    L13
  movslq %ecx,%rcx
  movsbl (%rbx,%rcx,1),%ecx
  lea    -0x30(%rsi,%rcx,1),%esi
  lea    0x3(%rax),%ecx
  cmp    %ecx,%edx
  jle    L13
  movslq %ecx,%rcx
  movsbl (%rbx,%rcx,1),%ecx
  lea    -0x30(%rsi,%rcx,1),%esi
  lea    0x4(%rax),%ecx
  cmp    %ecx,%edx
  jle    L13
  movslq %ecx,%rcx
  movsbl (%rbx,%rcx,1),%ecx
  lea    -0x30(%rsi,%rcx,1),%esi
  lea    0x5(%rax),%ecx
  cmp    %ecx,%edx
  jle    L13
  movslq %ecx,%rcx
  movsbl (%rbx,%rcx,1),%ecx
  lea    -0x30(%rsi,%rcx,1),%esi
  lea    0x6(%rax),%ecx
  cmp    %ecx,%edx
  jle    L13
  movslq %ecx,%rcx
  movsbl (%rbx,%rcx,1),%ecx
  lea    -0x30(%rsi,%rcx,1),%esi
  lea    0x7(%rax),%ecx
  cmp    %ecx,%edx
  jle    L13
  movslq %ecx,%rcx
  movsbl (%rbx,%rcx,1),%ecx
  lea    -0x30(%rsi,%rcx,1),%esi
  lea    0x8(%rax),%ecx
  cmp    %ecx,%edx
  jle    L13
  movslq %ecx,%rcx
  movsbl (%rbx,%rcx,1),%ecx
  lea    -0x30(%rsi,%rcx,1),%esi
  lea    0x9(%rax),%ecx
  cmp    %ecx,%edx
  jle    L13
  movslq %ecx,%rcx
  movsbl (%rbx,%rcx,1),%ecx
  lea    -0x30(%rsi,%rcx,1),%esi
  lea    0xa(%rax),%ecx
  cmp    %ecx,%edx
  jle    L13
  movslq %ecx,%rcx
  movsbl (%rbx,%rcx,1),%ecx
  lea    -0x30(%rsi,%rcx,1),%esi
  lea    0xb(%rax),%ecx
  cmp    %ecx,%edx
  jle    L13
  movslq %ecx,%rcx
  movsbl (%rbx,%rcx,1),%ecx
  lea    -0x30(%rsi,%rcx,1),%esi
  lea    0xc(%rax),%ecx
  cmp    %ecx,%edx
  jle    L13
  movslq %ecx,%rcx
  movsbl (%rbx,%rcx,1),%ecx
  lea    -0x30(%rsi,%rcx,1),%esi
  lea    0xd(%rax),%ecx
  cmp    %ecx,%edx
  jle    L13
  movslq %ecx,%rcx
  add    $0xe,%eax
  movsbl (%rbx,%rcx,1),%ecx
  lea    -0x30(%rsi,%rcx,1),%esi
  cmp    %eax,%edx
  jle    L13
  cltq
  movsbl (%rbx,%rax,1),%eax
  lea    -0x30(%rsi,%rax,1),%esi
  nop
L13:
  lea    D34(%rip),%rdi
  call   <printf@plt>
  xor    %esi,%esi
  mov    %rsp,%rdi
  call   <gettimeofday@plt>
  mov    (%rsp),%esi
  lea    D33(%rip),%rdi
  sub    0x4(%rsp),%esi
  call   <printf@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L36
  add    $0x10,%rsp
  xor    %eax,%eax
  pop    %rbx
  ret
L82:
  xor    %esi,%esi
  jmp    L13
L119:
  xor    %esi,%esi
  xor    %eax,%eax
  jmp    L176
L36:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: data_tag: D27
data_type: string
name: unpack_data
arguments: data_tag: D9
data_type: byte[16]
name: unpack_data
arguments: data_tag: D34
data_type: string
name: unpack_data
arguments: data_tag: D33
data_type: string

tool: D27: 100

tool: {"D9": [0xd0,0xff,0xd0,0xff,0xd0,0xff,0xd0,0xff,0xd0,0xff,0xd0,0xff,0xd0,0xff,0xd0,0xff]}

tool: D34: %d

tool: D33: 
took %lu usec


assistant: ```c
int main(void) {
  struct timeval stop, start;
  gettimeofday(&start, NULL);
  char *result;
  int size, i, sum = 0;
  result = factorial("100");
  size = getStringSize(result);
  for (i = 0; i < size; i++) {
    sum += (result[i] - '0');
  }
  printf("%d", sum);
  gettimeofday(&stop, NULL);
  printf("\ntook %lu usec\n", stop.tv_usec - start.tv_usec);
  return 0;
}
```