user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<multi>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbx
  lea    -0x27000(%rsp),%r11
L50:
  sub    $0x1000,%rsp
  orq    $0x0,(%rsp)
  cmp    %r11,%rsp
  jne    L50
  sub    $0x138,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x38(%rbp)
  xor    %eax,%eax
  test   %rdi,%rdi
  mov    %rdi,%r14
  mov    %rsi,%r15
  setne  %al
  xor    %edi,%edi
  test   %rsi,%rsi
  setne  %dil
  and    %eax,%edi
  call   <assert@plt>
  mov    %r14,%rdi
  call   <strlen@plt>
  mov    %r15,%rdi
  mov    %eax,%r12d
  call   <strlen@plt>
  movl   $0x0,-0x2714c(%rbp)
  mov    %eax,%r11d
  movzbl (%r14),%eax
  lea    -0x2b(%rax),%edx
  and    $0xfd,%edx
  jne    L150
  cmp    $0x2d,%al
  sete   %al
  sub    $0x1,%r12d
  add    $0x1,%r14
  movzbl %al,%eax
  mov    %eax,-0x2714c(%rbp)
L150:
  movzbl (%r15),%eax
  lea    -0x2b(%rax),%edx
  and    $0xfd,%edx
  jne    L64
  mov    -0x2714c(%rbp),%edi
  mov    %edi,%edx
  xor    $0x1,%edx
  cmp    $0x2d,%al
  cmovne %edi,%edx
  sub    $0x1,%r11d
  add    $0x1,%r15
  mov    %edx,-0x2714c(%rbp)
L64:
  test   %r12d,%r12d
  jle    L187
  lea    0x1(%r12),%edx
  mov    $0x1,%eax
  jmp    L33
  nopl   0x0(%rax,%rax,1)
L123:
  mov    %eax,%esi
  add    $0x1,%rax
  cmp    %rdx,%rax
  je     L318
L33:
  cmpb   $0x0,-0x1(%r14,%rax,1)
  je     L123
L184:
  lea    0x1(%r11),%edx
  mov    $0x1,%eax
  test   %r11d,%r11d
  jg     L221
  jmp    L339
  nopw   0x0(%rax,%rax,1)
L287:
  mov    %eax,%esi
  add    $0x1,%rax
  cmp    %rdx,%rax
  je     L298
L221:
  cmpb   $0x0,-0x1(%r15,%rax,1)
  je     L287
L87:
  lea    (%r12,%r11,1),%eax
  mov    %rsp,%rsi
  mov    %eax,-0x27150(%rbp)
  add    $0x1,%eax
  cltq
  add    $0xf,%rax
  mov    %rax,%rdx
  and    $0xfffffffffffff000,%rax
  sub    %rax,%rsi
  and    $0xfffffffffffffff0,%rdx
  cmp    %rsi,%rsp
  je     L378
L264:
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  cmp    %rsi,%rsp
  jne    L264
L378:
  and    $0xfff,%edx
  sub    %rdx,%rsp
  test   %rdx,%rdx
  je     L303
  orq    $0x0,-0x8(%rsp,%rdx,1)
L303:
  lea    -0x27140(%rbp),%rbx
  xor    %esi,%esi
  mov    $0x9c40,%edx
  mov    %r11d,-0x2715c(%rbp)
  mov    %rbx,%rdi
  lea    -0x1d500(%rbp),%r13
  mov    %rsp,-0x27158(%rbp)
  call   <memset@plt>
  xor    %esi,%esi
  mov    $0x9c40,%edx
  mov    %r13,%rdi
  call   <memset@plt>
  lea    -0x138c0(%rbp),%rdi
  xor    %esi,%esi
  mov    $0x13880,%edx
  mov    %rdi,-0x27148(%rbp)
  call   <memset@plt>
  mov    %r12d,%eax
  mov    -0x27148(%rbp),%rdi
  movslq -0x2715c(%rbp),%r11
  sub    $0x1,%eax
  mov    %eax,%r9d
  js     L269
  movslq %eax,%rsi
  mov    %rbx,%rax
  mov    %rsi,%rcx
  add    %r14,%rsi
  mov    %ecx,%edx
  lea    -0x2713c(%rbp,%rdx,4),%r8
  cs nopw 0x0(%rax,%rax,1)
L265:
  movsbl (%rsi),%edx
  add    $0x4,%rax
  sub    $0x1,%rsi
  sub    $0x30,%edx
  mov    %edx,-0x4(%rax)
  cmp    %r8,%rax
  jne    L265
L269:
  mov    %r11d,%edx
  sub    $0x1,%edx
  js     L257
  movslq %edx,%rax
  mov    %edx,%edx
  lea    (%r15,%rax,1),%rcx
  lea    -0x1d4fc(%rbp,%rdx,4),%rsi
  mov    %r13,%rax
  nopw   0x0(%rax,%rax,1)
L343:
  movsbl (%rcx),%edx
  add    $0x4,%rax
  sub    $0x1,%rcx
  sub    $0x30,%edx
  mov    %edx,-0x4(%rax)
  cmp    %rsi,%rax
  jne    L343
L257:
  test   %r11d,%r11d
  jle    L183
  test   %r12d,%r12d
  jle    L183
  mov    %r12d,%edx
  mov    %r12d,%r14d
  mov    %rdi,%rax
  xor    %r8d,%r8d
  shr    $0x2,%edx
  and    $0xfffffffc,%r14d
  mov    %r9d,%edi
  lea    -0x1(%rdx),%esi
  add    $0x1,%rsi
  shl    $0x4,%rsi
  mov    %rsi,-0x27148(%rbp)
  nopl   0x0(%rax,%rax,1)
L89:
  mov    0x0(%r13,%r8,4),%ecx
  mov    %r8d,%r9d
  cmp    $0x2,%edi
  jbe    L313
  movd   %ecx,%xmm5
  mov    -0x27148(%rbp),%rsi
  xor    %edx,%edx
  pshufd $0x0,%xmm5,%xmm2
  movdqa %xmm2,%xmm3
  psrlq  $0x20,%xmm3
  nopl   0x0(%rax)
L333:
  movdqa (%rbx,%rdx,1),%xmm1
  movdqu (%rax,%rdx,1),%xmm4
  movdqa %xmm2,%xmm0
  pmuludq (%rbx,%rdx,1),%xmm0
  pshufd $0x8,%xmm0,%xmm0
  psrlq  $0x20,%xmm1
  pmuludq %xmm3,%xmm1
  pshufd $0x8,%xmm1,%xmm1
  punpckldq %xmm1,%xmm0
  paddd  %xmm4,%xmm0
  movups %xmm0,(%rax,%rdx,1)
  add    $0x10,%rdx
  cmp    %rdx,%rsi
  jne    L333
  mov    %rsi,-0x27148(%rbp)
  mov    %r14d,%edx
  cmp    %r12d,%r14d
  je     L359
L345:
  movslq %edx,%r15
  lea    (%r9,%rdx,1),%r10d
  mov    -0x27140(%rbp,%r15,4),%esi
  movslq %r10d,%r10
  imul   %ecx,%esi
  add    %esi,-0x138c0(%rbp,%r10,4)
  lea    0x1(%rdx),%r10d
  cmp    %r10d,%r12d
  jle    L359
  lea    (%r9,%r10,1),%r15d
  movslq %r10d,%r10
  add    $0x2,%edx
  mov    -0x27140(%rbp,%r10,4),%esi
  movslq %r15d,%r15
  imul   %ecx,%esi
  add    %esi,-0x138c0(%rbp,%r15,4)
  cmp    %edx,%r12d
  jle    L359
  add    %edx,%r9d
  movslq %edx,%rdx
  movslq %r9d,%r9
  imul   -0x27140(%rbp,%rdx,4),%ecx
  add    %ecx,-0x138c0(%rbp,%r9,4)
L359:
  add    $0x1,%r8
  add    $0x4,%rax
  cmp    %r8,%r11
  jne    L89
L183:
  movslq -0x27150(%rbp),%rdx
  mov    -0x27158(%rbp),%rdi
  mov    -0x138c0(%rbp),%eax
  movb   $0x0,(%rdi,%rdx,1)
  test   %eax,%eax
  je     L60
  lea    (%rdi,%rdx,1),%rcx
  lea    -0x138bc(%rbp),%rsi
  mov    $0xcccccccd,%r8d
  lea    0x1(%rcx),%r9d
  jmp    L61
  cs nopw 0x0(%rax,%rax,1)
L214:
  mov    %edx,%eax
L61:
  mov    %r9d,%edi
  mov    (%rsi),%edx
  sub    %ecx,%edi
  cmp    $0x9,%eax
  jbe    L299
  imul   %r8,%rax
  mov    -0x4(%rsi),%r10d
  shr    $0x23,%rax
  add    %eax,%edx
  mov    %r10,%rax
  imul   %r8,%r10
  mov    %edx,(%rsi)
  shr    $0x23,%r10
  lea    (%r10,%r10,4),%r10d
  add    %r10d,%r10d
  sub    %r10d,%eax
L299:
  add    $0x30,%eax
  sub    $0x1,%rcx
  add    $0x4,%rsi
  mov    %al,(%rcx)
  test   %edx,%edx
  jne    L214
  sub    %edi,-0x27150(%rbp)
  movslq -0x27150(%rbp),%rdx
  lea    0x1(%rdi),%r14d
L2:
  mov    -0x27158(%rbp),%r12
  mov    -0x2714c(%rbp),%eax
  add    %rdx,%r12
  test   %eax,%eax
  je     L386
  add    $0x2,%edi
  call   <malloc@plt>
  mov    %r14d,%edx
  mov    %r12,%rsi
  mov    %rax,%r13
  lea    0x1(%rax),%rdi
  call   <memcpy@plt>
  movb   $0x2d,0x0(%r13)
L111:
  mov    -0x38(%rbp),%rax
  sub    %fs:0x28,%rax
  jne    L145
  lea    -0x28(%rbp),%rsp
  mov    %r13,%rax
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
L187:
  xor    %esi,%esi
  nopl   0x0(%rax,%rax,1)
L318:
  lea    D17(%rip),%r13
  cmp    %esi,%r12d
  jne    L184
  jmp    L111
L339:
  xor    %esi,%esi
  nopl   0x0(%rax)
L298:
  lea    D17(%rip),%r13
  cmp    %esi,%r11d
  je     L111
  jmp    L87
L313:
  xor    %edx,%edx
  jmp    L345
L386:
  mov    %r14d,%edi
  call   <malloc@plt>
  mov    %r14d,%edx
  mov    %r12,%rsi
  mov    %rax,%rdi
  mov    %rax,%r13
  call   <memcpy@plt>
  jmp    L111
L60:
  mov    $0x1,%r14d
  xor    %edi,%edi
  jmp    L2
L145:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: tag: D17
datatype: string

tool: D17: 0

assistant: ```c
char *multi(char *number_a, char *number_b) {
  assert(number_a && number_b);
  int i, j, negtive = 0, nLen_a = strlen(number_a), nLen_b = strlen(number_b);
  if (number_a[0] == '-' || number_a[0] == '+') {
    if (number_a[0] == '-')
      negtive = !negtive;
    nLen_a--;
    number_a++;
  }
  if (number_b[0] == '-' || number_b[0] == '+') {
    if (number_b[0] == '-')
      negtive = !negtive;
    nLen_b--;
    number_b++;
  }
  for (i = 0; i < nLen_a; i++)
    if (number_a[i] != 0)
      break;
  if (i == nLen_a)
    return "0";
  for (i = 0; i < nLen_b; i++)
    if (number_b[i] != 0)
      break;
  if (i == nLen_b)
    return "0";
  char m[nLen_a + nLen_b + 1];
  unsigned a[10000];
  unsigned b[10000];
  unsigned result[10000 * 2];
  memset(a, 0, sizeof(a));
  memset(b, 0, sizeof(b));
  memset(result, 0, sizeof(result));
  for (j = 0, i = nLen_a - 1; i >= 0; i--)
    a[j++] = number_a[i] - '0';
  for (j = 0, i = nLen_b - 1; i >= 0; i--)
    b[j++] = number_b[i] - '0';
  for (i = 0; i < nLen_b; i++)
    for (j = 0; j < nLen_a; j++)
      result[i + j] += b[i] * a[j];
  j = nLen_a + nLen_b;
  m[j--] = '\0';
  for (i = 0; result[i] != 0; i++) {
    if (result[i] >= 10)
      result[i + 1] += result[i] / 10;
    m[j--] = (result[i] % 10) + '0';
  }
  char *r;
  if (negtive) {
    r = (char *)malloc(i + 2);
    memcpy(r + 1, m + (nLen_a + nLen_b - i), i + 1);
    r[0] = '-';
  } else {
    r = (char *)malloc(i + 1);
    memcpy(r, m + (nLen_a + nLen_b - i), i + 1);
  }
  return r;
}
```