user: 这段汇编代码用C语言表示是什么样的：

```asm
<find_mantissa>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0xc8,%rsp
  mov    %rdi,%rbx
  mov    %fs:0x28,%rax
  mov    %rax,0xb8(%rsp)
  xor    %eax,%eax
  cmp    $0x1,%esi
  jle    L152
  lea    -0x1(%rsi),%edx
  mov    $0x1,%ebp
L9:
  lea    0x0(%rbp,%rbp,4),%rbp
  add    %rbp,%rbp
  add    $0x1,%eax
  cmp    %eax,%edx
  jne    L9
L143:
  cmp    %rbp,%rbx
  jbe    L39
  sub    %rbp,%rbx
  mov    $0x2e,%edi
  call   <malloc@plt>
  mov    %rax,%r9
L206:
  mov    $0x1,%edi
  movabs $0xcccccccccccccccd,%r10
  mov    $0x0,%r11d
  mov    %rsp,%rsi
  jmp    L129
L152:
  mov    $0x1,%ebp
  jmp    L143
L39:
  mov    $0x2e,%edi
  call   <malloc@plt>
  mov    %rax,%r9
  test   %rbx,%rbx
  jne    L206
  mov    $0x0,%r8d
  jmp    L140
L191:
  movw   $0x0,-0x2(%r9,%rdi,2)
  mov    %edi,%r8d
  jmp    L209
L132:
  mov    %rcx,%rax
L59:
  mov    %eax,%ecx
  cmp    %rbx,(%rsi,%rax,8)
  je     L186
  lea    0x1(%rax),%rcx
  cmp    %rax,%rdx
  jne    L132
L92:
  mov    %rbx,-0x8(%rsi,%rdi,8)
  add    $0x1,%rdi
  cmp    $0x17,%r8w
  jg     L34
  test   %rbx,%rbx
  je     L34
L129:
  add    %rbx,%rbx
  cmp    %rbp,%rbx
  jb     L191
  movw   $0x1,-0x2(%r9,%rdi,2)
  mov    %edi,%r8d
  sub    %rbp,%rbx
L209:
  cmp    $0xa,%rbx
  jbe    L214
  mov    %rbx,%rax
  mul    %r10
  mov    %rdx,%rbx
  shr    $0x3,%rbx
  mov    %rbp,%rax
  mul    %r10
  mov    %rdx,%rbp
  shr    $0x3,%rbp
L214:
  lea    -0x1(%rdi),%eax
  test   %eax,%eax
  jle    L92
  lea    -0x2(%rdi),%edx
  mov    %r11,%rax
  jmp    L59
L186:
  add    $0x1,%ecx
  test   %rbx,%rbx
  je     L36
  cmp    $0x17,%ecx
  jg     L36
  movslq %ecx,%rcx
  mov    %rcx,%rax
  sub    %ecx,%r8d
L105:
  movzwl (%r9,%rax,2),%ecx
  lea    (%r8,%rax,1),%edx
  movswq %dx,%rdx
  mov    %cx,(%r9,%rdx,2)
  add    $0x1,%rax
  cmp    $0x17,%eax
  jle    L105
L36:
  mov    0xb8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L64
  mov    %r9,%rax
  add    $0xc8,%rsp
  pop    %rbx
  pop    %rbp
  ret
L34:
  test   %rbx,%rbx
  jne    L36
L140:
  cmp    $0x16,%r8w
  jg     L36
  movswq %r8w,%r8
L29:
  movw   $0x0,(%r9,%r8,2)
  add    $0x1,%r8
  cmp    $0x16,%r8d
  jle    L29
  jmp    L36
L64:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
short *find_mantissa(unsigned long number_in_scientific, int count_digits) {
  unsigned long one = 1ul;
  int i;
  for (i = 0; i < count_digits - 1; i++) {
    one *= 10;
  }
  if (number_in_scientific > one) {
    number_in_scientific -= one;
  }
  short *mantissa;
  mantissa = (short *)malloc(23 * sizeof(short));
  short mantissa_index = 0;
  unsigned long results[23];
  int res_index = 0;
  unsigned long res = number_in_scientific;
  short result_repeating = 0;
  int result_repeat_start = 0;
  while (mantissa_index <= 23 && res != 0 && result_repeating == 0) {
    res *= 2;
    if (res >= one) {
      mantissa[mantissa_index] = 1;
    } else {
      mantissa[mantissa_index] = 0;
    }
    mantissa_index++;
    if (res >= one) {
      res -= one;
    }
    if (res > 10) {
      res /= 10;
      one /= 10;
    }
    for (i = 0; i < res_index; i++) {
      if (results[i] == res) {
        result_repeat_start = i + 1;
        result_repeating = 1;
        break;
      }
    }
    if (result_repeating == 0) {
      results[res_index] = res;
      res_index++;
    }
  }
  if (res != 0 && result_repeating == 1) {
    for (i = result_repeat_start; i <= 23; i++) {
      mantissa[mantissa_index] = mantissa[i];
      mantissa_index++;
    }
  }
  if (res == 0 && result_repeating == 0) {
    for (i = mantissa_index; i < 23; i++) {
      mantissa[i] = 0;
    }
  }
  return mantissa;
}
```