user: Translate the below assembly code into C programming language:

```asm
<multiply>:
  endbr64
  cmpb   $0x30,(%rdi)
  lea    D3(%rip),%r8
  je     L296
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  sub    $0x18,%rsp
  cmpb   $0x30,(%rsi)
  je     L162
  mov    %rdi,%r15
  call   <strlen@plt>
  mov    %rbp,%rdi
  movslq %eax,%rbx
  call   <strlen@plt>
  lea    (%rbx,%rax,1),%r13d
  mov    %eax,%r14d
  lea    0x0(,%r13,4),%edx
  mov    %edx,%edi
  mov    %edx,0xc(%rsp)
  call   <malloc@plt>
  mov    0xc(%rsp),%edx
  xor    %esi,%esi
  mov    %rax,%rdi
  mov    %rax,%r12
  call   <memset@plt>
  mov    %ebx,%r8d
  sub    $0x1,%r8d
  js     L153
  mov    %r14d,%eax
  sub    $0x1,%eax
  js     L153
  movslq %r8d,%rdx
  movslq %r14d,%rcx
  movslq %eax,%r10
  mov    %eax,%eax
  lea    (%rcx,%rdx,1),%rsi
  lea    -0x2(%rbp,%rcx,1),%rdi
  lea    (%r12,%rsi,4),%r9
  sub    %rax,%rdi
  lea    (%r15,%rdx,1),%rsi
  nopl   0x0(%rax)
L210:
  lea    0x0(%rbp,%r10,1),%rcx
  mov    %r9,%rdx
  nopl   0x0(%rax,%rax,1)
L176:
  movsbl (%rcx),%r11d
  movsbl (%rsi),%eax
  sub    $0x1,%rcx
  sub    $0x30,%eax
  sub    $0x30,%r11d
  imul   %r11d,%eax
  add    %eax,(%rdx)
  sub    $0x4,%rdx
  cmp    %rdi,%rcx
  jne    L176
  sub    $0x1,%r8d
  sub    $0x4,%r9
  sub    $0x1,%rsi
  cmp    $0xffffffff,%r8d
  jne    L210
L153:
  lea    -0x1(%r13),%ebp
  mov    %ebp,%ecx
  test   %ebp,%ebp
  jle    L83
  movslq %r14d,%rax
  add    %rbx,%rax
  lea    (%r12,%rax,4),%rax
  cmp    $0x3,%r13d
  jle    L284
  mov    -0x4(%rax),%esi
  movslq %ebp,%rax
  lea    -0x3(%r13),%edi
  lea    -0x4(%r12,%rax,4),%rdx
  lea    -0x4(%r13),%eax
  and    $0xfffffffe,%eax
  sub    %eax,%edi
L81:
  movslq %esi,%rax
  mov    %esi,%r8d
  sub    $0x2,%ecx
  sub    $0x8,%rdx
  imul   $0x66666667,%rax,%rax
  sar    $0x1f,%r8d
  sar    $0x22,%rax
  sub    %r8d,%eax
  mov    0x8(%rdx),%r8d
  add    %eax,%r8d
  lea    (%rax,%rax,4),%eax
  add    %eax,%eax
  sub    %eax,%esi
  movslq %r8d,%rax
  imul   $0x66666667,%rax,%rax
  mov    %esi,0xc(%rdx)
  mov    %r8d,%esi
  sar    $0x1f,%esi
  sar    $0x22,%rax
  sub    %esi,%eax
  mov    0x4(%rdx),%esi
  add    %eax,%esi
  lea    (%rax,%rax,4),%eax
  add    %eax,%eax
  mov    %esi,0x4(%rdx)
  sub    %eax,%r8d
  mov    %r8d,0x8(%rdx)
  cmp    %ecx,%edi
  jne    L81
L284:
  movslq %ecx,%rax
  lea    (%r12,%rax,4),%rsi
  xchg   %ax,%ax
L8:
  mov    %rsi,%rdi
  sub    $0x4,%rsi
  movslq (%rdi),%rax
  mov    %rax,%rdx
  imul   $0x66666667,%rax,%rax
  sar    $0x1f,%edx
  sar    $0x22,%rax
  sub    %edx,%eax
  add    %eax,(%rsi)
  movslq (%rdi),%rax
  mov    %rax,%rdx
  imul   $0x66666667,%rax,%rax
  mov    %edx,%r8d
  sar    $0x1f,%r8d
  sar    $0x22,%rax
  sub    %r8d,%eax
  lea    (%rax,%rax,4),%eax
  add    %eax,%eax
  sub    %eax,%edx
  mov    %edx,(%rdi)
  sub    $0x1,%ecx
  jne    L8
L83:
  lea    0x1(%r13),%edi
  call   <malloc@plt>
  mov    %rax,%r8
  mov    (%r12),%eax
  mov    %r8,%rdi
  test   %eax,%eax
  sete   %cl
  sete   %sil
  movzbl %cl,%ecx
  cmp    %ecx,%r13d
  jle    L88
  mov    %r13d,%r9d
  movzbl %sil,%esi
  mov    %r8,%rdx
  sub    %ecx,%r9d
  lea    (%r12,%rsi,4),%rax
  mov    %r9d,%edi
  add    %rdi,%rsi
  lea    (%r8,%rdi,1),%r10
  lea    (%r12,%rsi,4),%rsi
  cmp    %rsi,%r8
  setae  %sil
  cmp    %r10,%rax
  setae  %r10b
  or     %r10b,%sil
  je     L245
  lea    -0x1(%r9),%esi
  cmp    $0xe,%esi
  jbe    L245
  mov    %r9d,%esi
  movdqa D19(%rip),%xmm3
  movdqa D9(%rip),%xmm5
  shr    $0x4,%esi
  shl    $0x4,%rsi
  add    %r8,%rsi
L93:
  movdqu 0x10(%rax),%xmm6
  movdqu (%rax),%xmm0
  add    $0x10,%rdx
  add    $0x40,%rax
  movdqa %xmm0,%xmm1
  punpcklwd %xmm6,%xmm0
  punpckhwd %xmm6,%xmm1
  movdqa %xmm0,%xmm2
  movdqu -0x10(%rax),%xmm6
  punpckhwd %xmm1,%xmm2
  punpcklwd %xmm1,%xmm0
  movdqu -0x20(%rax),%xmm1
  punpcklwd %xmm2,%xmm0
  movdqa %xmm1,%xmm2
  punpcklwd %xmm6,%xmm1
  pand   %xmm3,%xmm0
  punpckhwd %xmm6,%xmm2
  movdqa %xmm1,%xmm4
  punpckhwd %xmm2,%xmm4
  punpcklwd %xmm2,%xmm1
  punpcklwd %xmm4,%xmm1
  pand   %xmm3,%xmm1
  packuswb %xmm1,%xmm0
  paddb  %xmm5,%xmm0
  movups %xmm0,-0x10(%rdx)
  cmp    %rdx,%rsi
  jne    L93
  mov    %r9d,%eax
  and    $0xfffffff0,%eax
  add    %eax,%ecx
  cmp    %r9d,%eax
  je     L30
  movslq %ecx,%rsi
  lea    0x1(%rcx),%edx
  lea    0x1(%rax),%r9d
  mov    %eax,%r10d
  mov    (%r12,%rsi,4),%esi
  add    $0x30,%esi
  mov    %sil,(%r8,%r10,1)
  cmp    %edx,%r13d
  jle    L30
  movslq %edx,%rsi
  movslq %r9d,%r9
  lea    0x2(%rax),%r10d
  lea    0x0(,%rsi,4),%rdx
  mov    (%r12,%rsi,4),%esi
  add    $0x30,%esi
  mov    %sil,(%r8,%r9,1)
  lea    0x2(%rcx),%esi
  cmp    %esi,%r13d
  jle    L30
  movzbl 0x4(%r12,%rdx,1),%ebx
  movslq %r10d,%r10
  lea    0x3(%rax),%r9d
  lea    0x30(%rbx),%esi
  mov    %sil,(%r8,%r10,1)
  lea    0x3(%rcx),%esi
  cmp    %esi,%r13d
  jle    L30
  movzbl 0x8(%r12,%rdx,1),%ebx
  movslq %r9d,%r9
  lea    0x4(%rax),%r10d
  lea    0x30(%rbx),%esi
  mov    %sil,(%r8,%r9,1)
  lea    0x4(%rcx),%esi
  cmp    %esi,%r13d
  jle    L30
  movzbl 0xc(%r12,%rdx,1),%ebx
  movslq %r10d,%r10
  lea    0x5(%rax),%esi
  lea    0x30(%rbx),%r9d
  mov    %r9b,(%r8,%r10,1)
  lea    0x5(%rcx),%r9d
  cmp    %r9d,%r13d
  jle    L30
  movzbl 0x10(%r12,%rdx,1),%ebx
  movslq %esi,%rsi
  lea    0x6(%rax),%r10d
  lea    0x30(%rbx),%r9d
  mov    %r9b,(%r8,%rsi,1)
  lea    0x6(%rcx),%esi
  cmp    %esi,%r13d
  jle    L30
  movzbl 0x14(%r12,%rdx,1),%ebx
  movslq %r10d,%r10
  lea    0x7(%rax),%esi
  lea    0x30(%rbx),%r9d
  mov    %r9b,(%r8,%r10,1)
  lea    0x7(%rcx),%r9d
  cmp    %r9d,%r13d
  jle    L30
  movzbl 0x18(%r12,%rdx,1),%ebx
  movslq %esi,%rsi
  lea    0x8(%rax),%r10d
  lea    0x30(%rbx),%r9d
  mov    %r9b,(%r8,%rsi,1)
  lea    0x8(%rcx),%esi
  cmp    %esi,%r13d
  jle    L30
  movzbl 0x1c(%r12,%rdx,1),%ebx
  movslq %r10d,%r10
  lea    0x9(%rax),%esi
  lea    0x30(%rbx),%r9d
  mov    %r9b,(%r8,%r10,1)
  lea    0x9(%rcx),%r9d
  cmp    %r9d,%r13d
  jle    L30
  movzbl 0x20(%r12,%rdx,1),%ebx
  movslq %esi,%rsi
  lea    0xa(%rax),%r10d
  lea    0x30(%rbx),%r9d
  mov    %r9b,(%r8,%rsi,1)
  lea    0xa(%rcx),%esi
  cmp    %esi,%r13d
  jle    L30
  movzbl 0x24(%r12,%rdx,1),%ebx
  movslq %r10d,%r10
  lea    0xb(%rax),%esi
  lea    0x30(%rbx),%r9d
  mov    %r9b,(%r8,%r10,1)
  lea    0xb(%rcx),%r9d
  cmp    %r9d,%r13d
  jle    L30
  movzbl 0x28(%r12,%rdx,1),%ebx
  movslq %esi,%rsi
  lea    0xc(%rax),%r9d
  lea    0x30(%rbx),%r10d
  mov    %r10b,(%r8,%rsi,1)
  lea    0xc(%rcx),%esi
  cmp    %esi,%r13d
  jle    L30
  movzbl 0x2c(%r12,%rdx,1),%ebx
  movslq %r9d,%r9
  lea    0xd(%rax),%esi
  lea    0x30(%rbx),%r10d
  mov    %r10b,(%r8,%r9,1)
  lea    0xd(%rcx),%r9d
  cmp    %r9d,%r13d
  jle    L30
  movzbl 0x30(%r12,%rdx,1),%ebx
  movslq %esi,%rsi
  add    $0xe,%ecx
  add    $0xe,%eax
  lea    0x30(%rbx),%r9d
  mov    %r9b,(%r8,%rsi,1)
  cmp    %ecx,%r13d
  jle    L30
  mov    0x34(%r12,%rdx,1),%edx
  cltq
  add    $0x30,%edx
  mov    %dl,(%r8,%rax,1)
  xchg   %ax,%ax
L30:
  add    %r8,%rdi
L88:
  movb   $0x0,(%rdi)
L162:
  add    $0x18,%rsp
  mov    %r8,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L296:
  mov    %r8,%rax
  ret
L245:
  sub    %ecx,%ebp
  lea    0x1(%r8,%rbp,1),%rsi
  nopl   0x0(%rax,%rax,1)
L22:
  movzbl (%rax),%ebx
  add    $0x1,%rdx
  add    $0x4,%rax
  lea    0x30(%rbx),%ecx
  mov    %cl,-0x1(%rdx)
  cmp    %rdx,%rsi
  jne    L22
  jmp    L30
```

tool_calls: name: extract_symbolic_data
arguments: data_tag: D3
type_guessed: string
name: extract_symbolic_data
arguments: data_tag: D19
type_guessed: byte[16]
name: extract_symbolic_data
arguments: data_tag: D9
type_guessed: byte[16]

tool: D3: 0

tool: {"D19": [0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00]}

tool: {"D9": [0x30,0x30,0x30,0x30,0x30,0x30,0x30,0x30,0x30,0x30,0x30,0x30,0x30,0x30,0x30,0x30]}

assistant: ```c
char *multiply(char *num1, char *num2) {
  if (*num1 == '0' || *num2 == '0')
    return "0";
  int len1 = strlen(num1);
  int len2 = strlen(num2);
  int len = len1 + len2;
  int *arr = (int *)malloc(sizeof(int) * len);
  memset(arr, 0, sizeof(int) * len);
  for (int i = len1 - 1; i > -1; i--)
    for (int j = len2 - 1; j > -1; j--)
      arr[i + j + 1] += (num1[i] - '0') * (num2[j] - '0');
  for (int i = len - 1; i > 0; i--) {
    arr[i - 1] += arr[i] / 10;
    arr[i] %= 10;
  }
  char *s = (char *)malloc(sizeof(char) * (len + 1));
  int index = 0;
  int i = 0;
  if (arr[i] == 0)
    i++;
  while (i < len)
    s[index++] = arr[i++] + '0';
  s[index] = '\0';
  return s;
}
```