user: 这段汇编代码用C语言表示是什么样的？

```asm
<multiply>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  lea    -0x4000(%rsp),%r11
L16:
  sub    $0x1000,%rsp
  orq    $0x0,(%rsp)
  cmp    %r11,%rsp
  jne    L16
  sub    $0xe70,%rsp
  mov    %rdi,-0x4e68(%rbp)
  mov    %rsi,-0x4e70(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movl   $0x0,-0x4e54(%rbp)
  movl   $0x0,-0x4e50(%rbp)
  movq   $0x0,-0x4e40(%rbp)
  movq   $0x0,-0x4e38(%rbp)
  mov    -0x4e68(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  sub    $0x1,%eax
  mov    %eax,-0x4e48(%rbp)
  mov    -0x4e70(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  sub    $0x1,%eax
  mov    %eax,-0x4e44(%rbp)
  movl   $0x0,-0x4e5c(%rbp)
  jmp    L17
L101:
  mov    -0x4e5c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x4e68(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  lea    -0x30(%rax),%ecx
  mov    -0x4e5c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x4e68(%rbp),%rax
  add    %rdx,%rax
  mov    %ecx,%edx
  mov    %dl,(%rax)
  addl   $0x1,-0x4e5c(%rbp)
L17:
  mov    -0x4e5c(%rbp),%eax
  cmp    -0x4e48(%rbp),%eax
  jle    L101
  movl   $0x0,-0x4e5c(%rbp)
  jmp    L189
L147:
  mov    -0x4e5c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x4e70(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  lea    -0x30(%rax),%ecx
  mov    -0x4e5c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x4e70(%rbp),%rax
  add    %rdx,%rax
  mov    %ecx,%edx
  mov    %dl,(%rax)
  addl   $0x1,-0x4e5c(%rbp)
L189:
  mov    -0x4e5c(%rbp),%eax
  cmp    -0x4e44(%rbp),%eax
  jle    L147
  mov    -0x4e44(%rbp),%eax
  mov    %eax,-0x4e5c(%rbp)
  jmp    L88
L7:
  movq   $0x0,-0x4e40(%rbp)
  mov    -0x4e48(%rbp),%eax
  mov    %eax,-0x4e58(%rbp)
  jmp    L48
L157:
  mov    -0x4e5c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x4e70(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%edx
  mov    -0x4e58(%rbp),%eax
  movslq %eax,%rcx
  mov    -0x4e68(%rbp),%rax
  add    %rcx,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  imul   %edx,%eax
  movslq %eax,%rdx
  mov    -0x4e40(%rbp),%rax
  lea    (%rdx,%rax,1),%rcx
  movabs $0x6666666666666667,%rdx
  mov    %rcx,%rax
  imul   %rdx
  mov    %rdx,%rax
  sar    $0x2,%rax
  mov    %rcx,%rsi
  sar    $0x3f,%rsi
  sub    %rsi,%rax
  mov    %rax,%rdx
  mov    %rdx,%rax
  shl    $0x2,%rax
  add    %rdx,%rax
  add    %rax,%rax
  sub    %rax,%rcx
  mov    %rcx,%rdx
  mov    -0x4e54(%rbp),%eax
  lea    0x1(%rax),%ecx
  mov    %ecx,-0x4e54(%rbp)
  cltq
  mov    %dl,-0x2720(%rbp,%rax,1)
  mov    -0x4e5c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x4e70(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%edx
  mov    -0x4e58(%rbp),%eax
  movslq %eax,%rcx
  mov    -0x4e68(%rbp),%rax
  add    %rcx,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  imul   %edx,%eax
  movslq %eax,%rdx
  mov    -0x4e40(%rbp),%rax
  lea    (%rdx,%rax,1),%rcx
  movabs $0x6666666666666667,%rdx
  mov    %rcx,%rax
  imul   %rdx
  mov    %rdx,%rax
  sar    $0x2,%rax
  sar    $0x3f,%rcx
  mov    %rcx,%rdx
  sub    %rdx,%rax
  mov    %rax,-0x4e40(%rbp)
  subl   $0x1,-0x4e58(%rbp)
L48:
  cmpl   $0x0,-0x4e58(%rbp)
  jns    L157
  mov    -0x4e54(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    %edx,-0x4e54(%rbp)
  mov    -0x4e40(%rbp),%rdx
  cltq
  mov    %dl,-0x2720(%rbp,%rax,1)
  addl   $0x1,-0x4e50(%rbp)
  movl   $0x0,-0x4e4c(%rbp)
  jmp    L119
L33:
  mov    -0x4e54(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    %edx,-0x4e54(%rbp)
  cltq
  movb   $0x0,-0x2720(%rbp,%rax,1)
  addl   $0x1,-0x4e4c(%rbp)
L119:
  mov    -0x4e4c(%rbp),%eax
  cmp    -0x4e50(%rbp),%eax
  jl     L33
  subl   $0x1,-0x4e5c(%rbp)
L88:
  cmpl   $0x0,-0x4e5c(%rbp)
  jns    L7
  movl   $0x0,-0x4e54(%rbp)
  movq   $0x0,-0x4e40(%rbp)
  movl   $0x0,-0x4e5c(%rbp)
  jmp    L64
L14:
  movq   $0x0,-0x4e38(%rbp)
  movl   $0x0,-0x4e4c(%rbp)
  movl   $0x1,-0x4e58(%rbp)
  jmp    L39
L158:
  mov    -0x4e48(%rbp),%edx
  mov    -0x4e58(%rbp),%eax
  add    %edx,%eax
  cmp    %eax,-0x4e5c(%rbp)
  jg     L77
  mov    -0x4e4c(%rbp),%edx
  mov    -0x4e5c(%rbp),%eax
  add    %edx,%eax
  cltq
  movzbl -0x2720(%rbp,%rax,1),%eax
  movsbq %al,%rax
  add    %rax,-0x4e38(%rbp)
L77:
  mov    -0x4e58(%rbp),%edx
  mov    -0x4e48(%rbp),%eax
  add    %edx,%eax
  add    $0x1,%eax
  add    %eax,-0x4e4c(%rbp)
  addl   $0x1,-0x4e58(%rbp)
L39:
  mov    -0x4e44(%rbp),%eax
  add    $0x1,%eax
  cmp    %eax,-0x4e58(%rbp)
  jle    L158
  mov    -0x4e38(%rbp),%rdx
  mov    -0x4e40(%rbp),%rax
  lea    (%rdx,%rax,1),%rcx
  movabs $0x6666666666666667,%rdx
  mov    %rcx,%rax
  imul   %rdx
  mov    %rdx,%rax
  sar    $0x2,%rax
  mov    %rcx,%rsi
  sar    $0x3f,%rsi
  sub    %rsi,%rax
  mov    %rax,%rdx
  mov    %rdx,%rax
  shl    $0x2,%rax
  add    %rdx,%rax
  add    %rax,%rax
  sub    %rax,%rcx
  mov    %rcx,%rdx
  mov    -0x4e54(%rbp),%eax
  lea    0x1(%rax),%ecx
  mov    %ecx,-0x4e54(%rbp)
  cltq
  mov    %dl,-0x4e30(%rbp,%rax,1)
  mov    -0x4e38(%rbp),%rdx
  mov    -0x4e40(%rbp),%rax
  lea    (%rdx,%rax,1),%rcx
  movabs $0x6666666666666667,%rdx
  mov    %rcx,%rax
  imul   %rdx
  mov    %rdx,%rax
  sar    $0x2,%rax
  sar    $0x3f,%rcx
  mov    %rcx,%rdx
  sub    %rdx,%rax
  mov    %rax,-0x4e40(%rbp)
  addl   $0x1,-0x4e5c(%rbp)
L64:
  mov    -0x4e48(%rbp),%edx
  mov    -0x4e44(%rbp),%eax
  add    %edx,%eax
  add    $0x1,%eax
  cmp    %eax,-0x4e5c(%rbp)
  jle    L14
  mov    -0x4e40(%rbp),%rax
  mov    %eax,%edx
  mov    -0x4e54(%rbp),%eax
  cltq
  mov    %dl,-0x4e30(%rbp,%rax,1)
  movl   $0x0,-0x4e58(%rbp)
  mov    -0x4e54(%rbp),%eax
  sub    $0x1,%eax
  mov    %eax,-0x4e5c(%rbp)
  jmp    L0
L79:
  mov    -0x4e5c(%rbp),%eax
  cltq
  movzbl -0x4e30(%rbp,%rax,1),%eax
  lea    0x30(%rax),%ecx
  mov    -0x4e58(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    %edx,-0x4e58(%rbp)
  cltq
  lea    D9(%rip),%rdx
  mov    %cl,(%rax,%rdx,1)
  subl   $0x1,-0x4e5c(%rbp)
L0:
  cmpl   $0x0,-0x4e5c(%rbp)
  jns    L79
  mov    -0x4e58(%rbp),%eax
  cltq
  lea    D9(%rip),%rdx
  movb   $0x0,(%rax,%rdx,1)
  lea    D9(%rip),%rax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L38
  call   <__stack_chk_fail@plt>
L38:
  leave
  ret
```

assistant: ```c
char *multiply(char a[], char b[]) {
  static char mul[10000];
  char c[10000];
  char temp[10000];
  int la, lb;
  int i, j, k = 0, x = 0, y;
  long int r = 0;
  long sum = 0;
  la = strlen(a) - 1;
  lb = strlen(b) - 1;
  for (i = 0; i <= la; i++) {
    a[i] = a[i] - 48;
  }
  for (i = 0; i <= lb; i++) {
    b[i] = b[i] - 48;
  }
  for (i = lb; i >= 0; i--) {
    r = 0;
    for (j = la; j >= 0; j--) {
      temp[k++] = (b[i] * a[j] + r) % 10;
      r = (b[i] * a[j] + r) / 10;
    }
    temp[k++] = r;
    x++;
    for (y = 0; y < x; y++) {
      temp[k++] = 0;
    }
  }
  k = 0;
  r = 0;
  for (i = 0; i < la + lb + 2; i++) {
    sum = 0;
    y = 0;
    for (j = 1; j <= lb + 1; j++) {
      if (i <= la + j) {
        sum = sum + temp[y + i];
      }
      y += j + la + 1;
    }
    c[k++] = (sum + r) % 10;
    r = (sum + r) / 10;
  }
  c[k] = r;
  j = 0;
  for (i = k - 1; i >= 0; i--) {
    mul[j++] = c[i] + 48;
  }
  mul[j] = '\0';
  return mul;
}
```