user: 这段汇编代码用C语言表示是什么样的：

```asm
<dd_to_string>:
  endbr64
  push   %r15
  mov    %r9d,%r15d
  push   %r14
  push   %r13
  mov    %rdi,%r13
  push   %r12
  mov    %ecx,%r12d
  push   %rbp
  mov    %edx,%ebp
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x68,%rsp
  mov    0xa8(%rsp),%eax
  mov    %r8d,0x10(%rsp)
  mov    %eax,0x20(%rsp)
  mov    0xb0(%rsp),%rax
  mov    %rax,(%rsp)
  mov    %fs:0x28,%rax
  mov    %rax,0x58(%rsp)
  xor    %eax,%eax
  movl   $0x0,0x3c(%rsp)
  call   <dd_is_negative@plt>
  mov    %eax,0x8(%rsp)
  cmp    $0x1,%eax
  je     L916
  cmp    $0x1,%r15d
  je     L32
  movl   $0x2,0x14(%rsp)
  mov    %rbx,%r15
  mov    $0x1,%r14d
  movl   $0x0,0x8(%rsp)
L903:
  mov    %r13,%rdi
  call   <dd_is_zero@plt>
  cmp    $0x1,%eax
  je     L377
L290:
  cmpl   $0x1,0x10(%rsp)
  je     L641
  lea    0x2(%rbp),%edi
  mov    $0x1,%esi
  call   <calloc@plt>
  lea    0x1(%rbp),%r8d
  mov    %r13,%rdi
  lea    0x3c(%rsp),%rdx
  mov    %r8d,%ecx
  mov    %rax,%rsi
  mov    %r8d,0x18(%rsp)
  lea    0x1(%r15),%r13
  mov    %rax,0x8(%rsp)
  call   <dd_to_digits@plt>
  mov    0x8(%rsp),%r11
  test   %ebp,%ebp
  mov    0x18(%rsp),%r8d
  movzbl (%r11),%eax
  mov    %al,(%r15)
  jle    L426
  mov    %r15,%rcx
  movb   $0x2e,0x1(%r15)
  lea    -0x1(%rbp),%eax
  lea    0x2(%r15),%rdx
  sub    %r11,%rcx
  cmp    $0xe,%rcx
  jbe    L769
  cmp    $0x6,%eax
  jbe    L769
  cmp    $0xe,%eax
  jbe    L337
  mov    %ebp,%ecx
  sub    %r11,%r15
  lea    0x1(%r11),%rax
  shr    $0x4,%ecx
  mov    %r15,%r9
  sub    $0x1,%ecx
  shl    $0x4,%rcx
  lea    0x11(%r11,%rcx,1),%rcx
  nopl   0x0(%rax)
L133:
  movdqu (%rax),%xmm1
  movups %xmm1,0x1(%r9,%rax,1)
  add    $0x10,%rax
  cmp    %rax,%rcx
  jne    L133
  mov    %ebp,%r8d
  and    $0xfffffff0,%r8d
  mov    %r8d,%esi
  lea    0x1(%r8),%eax
  lea    (%rdx,%rsi,1),%rcx
  cmp    %r8d,%ebp
  je     L293
  mov    %ebp,%edi
  sub    %r8d,%edi
  lea    -0x1(%rdi),%r8d
  cmp    $0x6,%r8d
  jbe    L607
L723:
  mov    0x1(%r11,%rsi,1),%r8
  mov    %r8,(%rdx,%rsi,1)
  mov    %edi,%esi
  and    $0xfffffff8,%esi
  mov    %esi,%r8d
  add    %esi,%eax
  add    %r8,%rcx
  cmp    %edi,%esi
  je     L293
L607:
  movslq %eax,%rsi
  movzbl (%r11,%rsi,1),%esi
  mov    %sil,(%rcx)
  lea    0x1(%rax),%esi
  cmp    %esi,%ebp
  jl     L293
  movslq %esi,%rsi
  movzbl (%r11,%rsi,1),%esi
  mov    %sil,0x1(%rcx)
  lea    0x2(%rax),%esi
  cmp    %esi,%ebp
  jl     L293
  movslq %esi,%rsi
  movzbl (%r11,%rsi,1),%esi
  mov    %sil,0x2(%rcx)
  lea    0x3(%rax),%esi
  cmp    %esi,%ebp
  jl     L293
  movslq %esi,%rsi
  movzbl (%r11,%rsi,1),%esi
  mov    %sil,0x3(%rcx)
  lea    0x4(%rax),%esi
  cmp    %esi,%ebp
  jl     L293
  movslq %esi,%rsi
  movzbl (%r11,%rsi,1),%esi
  mov    %sil,0x4(%rcx)
  lea    0x5(%rax),%esi
  cmp    %ebp,%esi
  jg     L293
  movslq %esi,%rsi
  add    $0x6,%eax
  movzbl (%r11,%rsi,1),%esi
  mov    %sil,0x5(%rcx)
  cmp    %eax,%ebp
  jl     L293
  cltq
  movzbl (%r11,%rax,1),%eax
  mov    %al,0x6(%rcx)
L293:
  mov    0x14(%rsp),%r14d
  mov    %ebp,%eax
  lea    (%rdx,%rax,1),%r13
  add    %ebp,%r14d
L426:
  mov    %r11,%rdi
  call   <free@plt>
L52:
  mov    0x10(%rsp),%eax
  test   %eax,%eax
  jne    L708
  mov    $0x65,%ecx
  cmpl   $0x1,0xa0(%rsp)
  mov    $0x45,%eax
  cmovne %ecx,%eax
  mov    0x3c(%rsp),%ecx
  mov    %al,0x0(%r13)
  test   %ecx,%ecx
  js     L990
  mov    $0x2b,%eax
L327:
  mov    %al,0x1(%r13)
  cmp    $0x63,%ecx
  jg     L468
  lea    0x2(%r13),%rsi
  lea    0x2(%r14),%r8d
L232:
  movslq %ecx,%rax
  lea    0x2(%rsi),%r13
  lea    0x2(%r8),%r14d
  mov    %ecx,%edx
  imul   $0x66666667,%rax,%rax
  sar    $0x1f,%edx
  sar    $0x22,%rax
  sub    %edx,%eax
  lea    0x30(%rax),%edx
  imul   $0xfffffff6,%eax,%eax
  mov    %dl,(%rsi)
  add    %ecx,%eax
  mov    %eax,0x3c(%rsp)
  add    $0x30,%eax
  mov    %al,0x1(%rsi)
L708:
  cmp    %r12d,%r14d
  jge    L962
  movslq %r12d,%rbp
  movslq %r14d,%rax
  mov    %r12d,%ecx
  mov    %r14d,%edi
  mov    %rbp,%rsi
  sub    %r14d,%ecx
  lea    -0x1(%r14),%edx
  sub    %rax,%rsi
  lea    -0x1(%rsi),%rax
  cmp    $0xe,%rax
  jbe    L813
  cmp    $0x6,%edx
  jbe    L813
  cmp    $0xe,%edx
  jbe    L823
  mov    %r14d,%edx
  lea    (%rbx,%rsi,1),%rdi
  xor    %eax,%eax
  shr    $0x4,%edx
  shl    $0x4,%rdx
  nopw   0x0(%rax,%rax,1)
L920:
  movdqu (%rbx,%rax,1),%xmm0
  movups %xmm0,(%rdi,%rax,1)
  add    $0x10,%rax
  cmp    %rax,%rdx
  jne    L920
  mov    %r14d,%eax
  and    $0xfffffff0,%eax
  mov    %eax,%edx
  cmp    %eax,%r14d
  je     L423
  mov    %r14d,%edi
  sub    %eax,%edi
  lea    -0x1(%rdi),%r9d
  cmp    $0x6,%r9d
  jbe    L1025
L74:
  mov    (%rbx,%rax,1),%r9
  add    %rbx,%rax
  mov    %r9,(%rax,%rsi,1)
  mov    %edi,%eax
  and    $0xfffffff8,%eax
  add    %eax,%edx
  cmp    %edi,%eax
  je     L423
L1025:
  movslq %edx,%rax
  movzbl (%rbx,%rax,1),%esi
  lea    (%rcx,%rdx,1),%eax
  cltq
  mov    %sil,(%rbx,%rax,1)
  lea    0x1(%rdx),%eax
  cmp    %eax,%r14d
  jle    L423
  movslq %eax,%rsi
  add    %ecx,%eax
  movzbl (%rbx,%rsi,1),%esi
  cltq
  mov    %sil,(%rbx,%rax,1)
  lea    0x2(%rdx),%eax
  cmp    %r14d,%eax
  jge    L423
  movslq %eax,%rsi
  add    %ecx,%eax
  movzbl (%rbx,%rsi,1),%esi
  cltq
  mov    %sil,(%rbx,%rax,1)
  lea    0x3(%rdx),%eax
  cmp    %eax,%r14d
  jle    L423
  movslq %eax,%rsi
  add    %ecx,%eax
  movzbl (%rbx,%rsi,1),%esi
  cltq
  mov    %sil,(%rbx,%rax,1)
  lea    0x4(%rdx),%eax
  cmp    %eax,%r14d
  jle    L423
  movslq %eax,%rsi
  add    %ecx,%eax
  movzbl (%rbx,%rsi,1),%esi
  cltq
  mov    %sil,(%rbx,%rax,1)
  lea    0x5(%rdx),%eax
  cmp    %r14d,%eax
  jge    L423
  movslq %eax,%rsi
  add    %ecx,%eax
  add    $0x6,%edx
  movzbl (%rbx,%rsi,1),%esi
  cltq
  mov    %sil,(%rbx,%rax,1)
  cmp    %edx,%r14d
  jle    L423
  movslq %edx,%rax
  add    %ecx,%edx
  movzbl (%rbx,%rax,1),%eax
  movslq %edx,%rdx
  mov    %al,(%rbx,%rdx,1)
L423:
  movsbl 0x20(%rsp),%esi
  movslq %ecx,%rdx
  mov    %rbx,%rdi
  call   <memset@plt>
  movb   $0x0,(%rbx,%rbp,1)
L655:
  mov    (%rsp),%rax
  mov    %r12d,(%rax)
  mov    0x58(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L372
  add    $0x68,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L32:
  movb   $0x2b,(%rbx)
  mov    %r13,%rdi
  lea    0x1(%rbx),%r15
  mov    $0x2,%r14d
  movl   $0x1,0x8(%rsp)
  movl   $0x3,0x14(%rsp)
  call   <dd_is_zero@plt>
  cmp    $0x1,%eax
  jne    L290
L377:
  movb   $0x30,(%r15)
  lea    0x1(%r15),%r13
  test   %ebp,%ebp
  jle    L52
  movb   $0x2e,0x1(%r15)
  lea    0x2(%r15),%rcx
  movslq %ebp,%r13
  mov    $0x30,%esi
  mov    %r13,%rdx
  mov    %rcx,%rdi
  call   <memset@plt>
  mov    0x14(%rsp),%r14d
  add    %rax,%r13
  add    %ebp,%r14d
  jmp    L52
  nopw   0x0(%rax,%rax,1)
L962:
  movb   $0x0,0x0(%r13)
  lea    0x1(%r14),%r12d
  jmp    L655
  xchg   %ax,%ax
L641:
  lea    0x40(%rsp),%r11
  mov    %r13,%rdi
  mov    %r11,%rsi
  mov    %r11,0x18(%rsp)
  call   <dd_abs@plt>
  mov    0x18(%rsp),%r11
  mov    %r11,%rsi
  mov    %r11,%rdi
  call   <dd_log10@plt>
  mov    0x18(%rsp),%r11
  mov    %r11,%rdi
  mov    %r11,%rsi
  call   <dd_floor@plt>
  mov    0x18(%rsp),%rdi
  call   <dd_to_int@plt>
  lea    0x1(%rax),%r9d
  lea    (%r9,%rbp,1),%ecx
  test   %ecx,%ecx
  jg     L978
  movb   $0x30,(%r15)
  test   %ebp,%ebp
  jle    L530
  movb   $0x2e,0x1(%r15)
  lea    0x2(%r15),%rcx
  movslq %ebp,%r13
  mov    $0x30,%esi
  mov    %r13,%rdx
  mov    %rcx,%rdi
  call   <memset@plt>
  mov    0x14(%rsp),%r14d
  add    %rax,%r13
  add    %ebp,%r14d
  jmp    L708
  nopw   0x0(%rax,%rax,1)
L916:
  movb   $0x2d,(%rbx)
  lea    0x1(%rbx),%r15
  mov    $0x2,%r14d
  movl   $0x3,0x14(%rsp)
  jmp    L903
  nopw   0x0(%rax,%rax,1)
L468:
  mov    %ecx,%eax
  lea    0x3(%r13),%rsi
  lea    0x3(%r14),%r8d
  imul   $0x51eb851f,%rax,%rax
  shr    $0x25,%rax
  lea    0x30(%rax),%edi
  imul   $0xffffff9c,%eax,%eax
  mov    %dil,0x2(%r13)
  add    %eax,%ecx
  jmp    L232
  cs nopw 0x0(%rax,%rax,1)
L990:
  neg    %ecx
  mov    $0x2d,%eax
  jmp    L327
  nopl   0x0(%rax)
L530:
  lea    0x1(%r15),%r13
  cmp    %r12d,%r14d
  jge    L962
  movslq %r12d,%rbp
  mov    %r12d,%ecx
  lea    -0x1(%r14),%edx
  movslq %r14d,%r8
  mov    %rbp,%rsi
  sub    %r14d,%ecx
  sub    %r8,%rsi
L813:
  mov    %rbx,%rax
  lea    0x1(%rbx,%rdx,1),%rdi
  nopl   0x0(%rax,%rax,1)
L650:
  movzbl (%rax),%edx
  add    $0x1,%rax
  mov    %dl,-0x1(%rax,%rsi,1)
  cmp    %rdi,%rax
  jne    L650
  jmp    L423
L978:
  lea    0x1(%rcx),%edi
  mov    $0x1,%esi
  mov    %r9d,0x28(%rsp)
  mov    %ecx,0x18(%rsp)
  mov    %eax,0x24(%rsp)
  call   <calloc@plt>
  mov    0x18(%rsp),%ecx
  lea    0x3c(%rsp),%rdx
  mov    %r13,%rdi
  mov    %rax,%rsi
  mov    %rax,0x18(%rsp)
  mov    %ecx,0x2c(%rsp)
  call   <dd_to_digits@plt>
  mov    0x28(%rsp),%r9d
  mov    0x18(%rsp),%r11
  mov    0x24(%rsp),%r10d
  test   %r9d,%r9d
  jle    L4
  lea    0x1(%r11),%rdx
  mov    %r15,%rax
  sub    %rdx,%rax
  cmp    $0xe,%rax
  jbe    L924
  cmp    $0x6,%r10d
  jbe    L924
  cmp    $0xe,%r10d
  jbe    L1045
  mov    %r9d,%edx
  mov    %r15,%rcx
  mov    %r11,%rax
  shr    $0x4,%edx
  sub    %r11,%rcx
  shl    $0x4,%rdx
  add    %r11,%rdx
  nopw   0x0(%rax,%rax,1)
L881:
  movdqu (%rax),%xmm2
  movups %xmm2,(%rcx,%rax,1)
  add    $0x10,%rax
  cmp    %rdx,%rax
  jne    L881
  mov    %r9d,%eax
  mov    %r10d,%ecx
  and    $0xfffffff0,%eax
  mov    %eax,%esi
  lea    (%r15,%rsi,1),%rdx
  cmp    %eax,%r9d
  je     L532
  mov    %r10d,%ecx
  sub    %eax,%ecx
  lea    0x1(%rcx),%edi
  cmp    $0x6,%ecx
  jbe    L1020
L416:
  mov    (%r11,%rsi,1),%rcx
  mov    %rcx,(%r15,%rsi,1)
  mov    %edi,%esi
  and    $0xfffffff8,%esi
  mov    %esi,%ecx
  add    %esi,%eax
  add    %rcx,%rdx
  mov    %r10d,%ecx
  cmp    %esi,%edi
  je     L532
L1020:
  movslq %eax,%rcx
  lea    0x1(%rax),%esi
  movzbl (%r11,%rcx,1),%ecx
  mov    %cl,(%rdx)
  mov    %r10d,%ecx
  cmp    %eax,%r10d
  jle    L532
  movslq %esi,%rdi
  movzbl (%r11,%rdi,1),%edi
  mov    %dil,0x1(%rdx)
  lea    0x2(%rax),%edi
  cmp    %esi,%r10d
  jle    L532
  movslq %edi,%rsi
  movzbl (%r11,%rsi,1),%esi
  mov    %sil,0x2(%rdx)
  lea    0x3(%rax),%esi
  cmp    %edi,%r10d
  jle    L532
  movslq %esi,%rdi
  movzbl (%r11,%rdi,1),%edi
  mov    %dil,0x3(%rdx)
  lea    0x4(%rax),%edi
  cmp    %esi,%r10d
  jle    L532
  movslq %edi,%rsi
  movzbl (%r11,%rsi,1),%esi
  mov    %sil,0x4(%rdx)
  lea    0x5(%rax),%esi
  cmp    %edi,%r10d
  jle    L532
  movslq %esi,%rdi
  add    $0x6,%eax
  movzbl (%r11,%rdi,1),%edi
  mov    %dil,0x5(%rdx)
  cmp    %esi,%r10d
  jle    L532
  cltq
  movzbl (%r11,%rax,1),%eax
  mov    %al,0x6(%rdx)
L532:
  mov    0x8(%rsp),%edi
  lea    0x1(%r15,%rcx,1),%r13
  lea    (%r15,%rcx,1),%rax
  lea    0x1(%rdi,%r10,1),%r14d
  lea    (%r10,%rdi,1),%edx
  test   %ebp,%ebp
  jle    L426
  movslq %r10d,%rsi
  lea    0x2(%rax),%r14
  lea    0x2(%rdx),%edi
  movb   $0x2e,0x0(%r13)
  lea    (%r11,%rsi,1),%rcx
  mov    %r14,%r8
  mov    %edi,0x8(%rsp)
  lea    -0x1(%rbp),%edx
  lea    0x2(%rcx),%r10
  mov    %r14,%rdi
  sub    %r10,%r8
  cmp    $0xe,%r8
  jbe    L323
  cmp    $0x6,%edx
  jbe    L323
  cmp    $0xe,%edx
  jbe    L757
  mov    %ebp,%edx
  lea    0x1(%rcx),%rax
  shr    $0x4,%edx
  sub    $0x1,%edx
  shl    $0x4,%rdx
  lea    0x11(%rcx,%rdx,1),%rsi
  mov    %r14,%rdx
  sub    %rcx,%rdx
  nopl   0x0(%rax)
L411:
  movdqu (%rax),%xmm4
  movups %xmm4,-0x1(%rdx,%rax,1)
  add    $0x10,%rax
  cmp    %rsi,%rax
  jne    L411
  mov    %ebp,%eax
  and    $0xfffffff0,%eax
  mov    %eax,%esi
  add    %eax,%r9d
  lea    (%r14,%rsi,1),%rdx
  cmp    %eax,%ebp
  je     L644
  mov    %ebp,%r8d
  sub    %eax,%r8d
  lea    -0x1(%r8),%r10d
  cmp    $0x6,%r10d
  jbe    L225
L870:
  mov    0x1(%rcx,%rsi,1),%rcx
  mov    %rcx,(%rdi,%rsi,1)
  mov    %r8d,%ecx
  and    $0xfffffff8,%ecx
  mov    %ecx,%esi
  add    %ecx,%r9d
  add    %ecx,%eax
  add    %rsi,%rdx
  cmp    %ecx,%r8d
  je     L644
L225:
  movslq %r9d,%rcx
  lea    0x1(%rax),%esi
  movzbl (%r11,%rcx,1),%ecx
  mov    %cl,(%rdx)
  lea    0x1(%r9),%ecx
  cmp    %esi,%ebp
  jle    L644
  movslq %ecx,%rcx
  lea    0x2(%rax),%esi
  movzbl (%r11,%rcx,1),%ecx
  mov    %cl,0x1(%rdx)
  lea    0x2(%r9),%ecx
  cmp    %esi,%ebp
  jle    L644
  movslq %ecx,%rcx
  lea    0x3(%rax),%esi
  movzbl (%r11,%rcx,1),%ecx
  mov    %cl,0x2(%rdx)
  lea    0x3(%r9),%ecx
  cmp    %esi,%ebp
  jle    L644
  movslq %ecx,%rcx
  lea    0x4(%rax),%esi
  movzbl (%r11,%rcx,1),%ecx
  mov    %cl,0x3(%rdx)
  lea    0x4(%r9),%ecx
  cmp    %esi,%ebp
  jle    L644
  movslq %ecx,%rcx
  lea    0x5(%rax),%esi
  movzbl (%r11,%rcx,1),%ecx
  mov    %cl,0x4(%rdx)
  lea    0x5(%r9),%ecx
  cmp    %esi,%ebp
  jle    L644
  movslq %ecx,%rcx
  add    $0x6,%eax
  movzbl (%r11,%rcx,1),%ecx
  mov    %cl,0x5(%rdx)
  lea    0x6(%r9),%ecx
  cmp    %eax,%ebp
  jle    L644
  movslq %ecx,%rcx
  movzbl (%r11,%rcx,1),%eax
  mov    %al,0x6(%rdx)
L644:
  mov    %ebp,%edx
  lea    (%r14,%rdx,1),%r13
  mov    0x8(%rsp),%r14d
  add    %ebp,%r14d
  jmp    L426
L4:
  mov    $0x2e30,%edx
  mov    0x2c(%rsp),%ecx
  lea    0x2(%r15),%rdi
  mov    %dx,(%r15)
  je     L795
  not    %r10d
  mov    $0x30,%esi
  mov    %ecx,0x18(%rsp)
  movslq %r10d,%r13
  mov    %r11,0x8(%rsp)
  mov    %r13,%rdx
  call   <memset@plt>
  add    %r13d,0x14(%rsp)
  mov    0x18(%rsp),%ecx
  mov    %rax,%rdi
  mov    0x8(%rsp),%r11
  add    %r13,%rdi
L795:
  lea    0x1(%r11),%rsi
  mov    %rdi,%rdx
  lea    -0x1(%rcx),%eax
  sub    %rsi,%rdx
  cmp    $0xe,%rdx
  jbe    L850
  cmp    $0x6,%eax
  jbe    L850
  cmp    $0xe,%eax
  jbe    L546
  mov    %ecx,%edx
  mov    %rdi,%rsi
  mov    %r11,%rax
  shr    $0x4,%edx
  sub    %r11,%rsi
  shl    $0x4,%rdx
  add    %r11,%rdx
  nopl   0x0(%rax)
L1021:
  movdqu (%rax),%xmm3
  movups %xmm3,(%rsi,%rax,1)
  add    $0x10,%rax
  cmp    %rdx,%rax
  jne    L1021
  mov    %ecx,%eax
  mov    %ecx,%esi
  and    $0xfffffff0,%eax
  mov    %eax,%r8d
  lea    (%rdi,%r8,1),%rdx
  cmp    %eax,%ecx
  je     L430
  mov    %ecx,%r9d
  sub    %eax,%r9d
  lea    -0x1(%r9),%esi
  cmp    $0x6,%esi
  jbe    L484
L625:
  mov    (%r11,%r8,1),%rsi
  mov    %rsi,(%rdi,%r8,1)
  mov    %r9d,%r8d
  and    $0xfffffff8,%r8d
  mov    %r8d,%esi
  add    %r8d,%eax
  add    %rsi,%rdx
  mov    %ecx,%esi
  cmp    %r8d,%r9d
  je     L430
L484:
  movslq %eax,%rsi
  lea    0x1(%rax),%r8d
  movzbl (%r11,%rsi,1),%esi
  mov    %sil,(%rdx)
  mov    %ecx,%esi
  cmp    %r8d,%ecx
  jle    L430
  movslq %r8d,%r8
  movzbl (%r11,%r8,1),%r8d
  mov    %r8b,0x1(%rdx)
  lea    0x2(%rax),%r8d
  cmp    %r8d,%ecx
  jle    L430
  movslq %r8d,%r8
  movzbl (%r11,%r8,1),%r8d
  mov    %r8b,0x2(%rdx)
  lea    0x3(%rax),%r8d
  cmp    %r8d,%ecx
  jle    L430
  movslq %r8d,%r8
  movzbl (%r11,%r8,1),%r8d
  mov    %r8b,0x3(%rdx)
  lea    0x4(%rax),%r8d
  cmp    %r8d,%ecx
  jle    L430
  movslq %r8d,%r8
  movzbl (%r11,%r8,1),%r8d
  mov    %r8b,0x4(%rdx)
  lea    0x5(%rax),%r8d
  cmp    %r8d,%ecx
  jle    L430
  movslq %r8d,%r8
  add    $0x6,%eax
  movzbl (%r11,%r8,1),%r8d
  mov    %r8b,0x5(%rdx)
  cmp    %eax,%ecx
  jle    L430
  cltq
  movzbl (%r11,%rax,1),%eax
  mov    %al,0x6(%rdx)
L430:
  mov    0x14(%rsp),%r14d
  lea    (%rdi,%rsi,1),%r13
  add    %ecx,%r14d
  jmp    L426
L823:
  xor    %eax,%eax
  xor    %edx,%edx
  jmp    L74
L769:
  mov    %r8d,%esi
  sub    %r11,%r15
  lea    0x1(%r11),%rax
  add    %r11,%rsi
  mov    %r15,%r9
  nopw   0x0(%rax,%rax,1)
L294:
  movzbl (%rax),%ecx
  mov    %cl,0x1(%r9,%rax,1)
  add    $0x1,%rax
  cmp    %rsi,%rax
  jne    L294
  jmp    L293
L337:
  mov    %ebp,%edi
  mov    %rdx,%rcx
  mov    $0x1,%eax
  xor    %esi,%esi
  jmp    L723
L924:
  mov    %r10d,%ecx
  mov    %r15,%rsi
  mov    %r11,%rax
  lea    0x1(%r11,%rcx,1),%rdi
  sub    %r11,%rsi
  nopl   0x0(%rax,%rax,1)
L861:
  movzbl (%rax),%edx
  mov    %dl,(%rsi,%rax,1)
  add    $0x1,%rax
  cmp    %rdi,%rax
  jne    L861
  jmp    L532
L850:
  mov    %ecx,%esi
  mov    %rdi,%r8
  mov    %r11,%rax
  lea    (%r11,%rsi,1),%r9
  sub    %r11,%r8
  nopl   0x0(%rax,%rax,1)
L998:
  movzbl (%rax),%edx
  mov    %dl,(%r8,%rax,1)
  add    $0x1,%rax
  cmp    %rax,%r9
  jne    L998
  jmp    L430
L323:
  lea    0x1(%rbp),%edi
  movslq %r9d,%rdx
  sub    %rcx,%rax
  add    %rdi,%rsi
  add    %r11,%rdx
  add    %r11,%rsi
L527:
  movzbl (%rdx),%ecx
  mov    %cl,0x1(%rax,%rdx,1)
  add    $0x1,%rdx
  cmp    %rdx,%rsi
  jne    L527
  jmp    L644
L1045:
  mov    %r9d,%edi
  mov    %r15,%rdx
  xor    %eax,%eax
  xor    %esi,%esi
  jmp    L416
L757:
  mov    %ebp,%r8d
  mov    %r14,%rdx
  xor    %eax,%eax
  xor    %esi,%esi
  jmp    L870
L546:
  mov    %ecx,%r9d
  mov    %rdi,%rdx
  xor    %eax,%eax
  xor    %r8d,%r8d
  jmp    L625
L372:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void dd_to_string(const double *a, char *s, int precision, int width, int fixed, int showpos, int uppercase, char fill, int *endstring) {
  int sgn = 1;
  int i, e = 0;
  char *p = s;
  int cnt = 0;
  int off, d;
  double acc[2];
  if (dd_is_negative(a) == 1) {
    *(p++) = '-';
    cnt++;
  } else if (showpos == 1) {
    *(p++) = '+';
    cnt++;
  } else
    sgn = 0;
  if (dd_is_zero(a) == 1) {
    *(p++) = '0';
    cnt++;
    if (precision > 0) {
      *(p++) = '.';
      cnt++;
      for (i = 0; i < precision; i++, cnt++)
        *(p++) = '0';
    }
  } else {
    if (fixed != 1)
      off = 1;
    else {
      dd_abs(a, acc);
      dd_log10(acc, acc);
      dd_floor(acc, acc);
      off = dd_to_int(acc) + 1;
    }
    d = precision + off;
    if ((fixed == 1) && (d <= 0)) {
      *(p++) = '0';
      cnt++;
      if (precision > 0) {
        *(p++) = '.';
        cnt++;
        for (i = 0; i < precision; i++, cnt++)
          *(p++) = '0';
      }
    } else {
      char *t = (char *)calloc(d + 1, sizeof(char));
      int j;
      dd_to_digits(a, t, &e, d);
      if (fixed == 1) {
        if (off > 0) {
          for (i = 0; i < off; i++, cnt++)
            *(p++) = t[i];
          if (precision > 0) {
            *(p++) = '.';
            cnt++;
            for (j = 0; j < precision; j++, i++, cnt++)
              *(p++) = t[i];
          }
        } else {
          *(p++) = '0';
          cnt++;
          *(p++) = '.';
          cnt++;
          if (off < 0)
            for (i = 0; i < (-off); i++, cnt++)
              *(p++) = '0';
          for (i = 0; i < d; i++, cnt++)
            *(p++) = t[i];
        }
      } else {
        *(p++) = t[0];
        cnt++;
        if (precision > 0) {
          *(p++) = '.';
          cnt++;
        }
        for (i = 1; i <= precision; i++, cnt++)
          *(p++) = t[i];
      }
      free(t);
    }
  }
  if (fixed == 0) {
    *(p++) = (uppercase == 1) ? 'E' : 'e';
    cnt++;
    *(p++) = (e < 0 ? '-' : '+');
    cnt++;
    if (e < 0)
      e = -e;
    if (e >= 100) {
      i = e / 100;
      *(p++) = '0' + i;
      cnt++;
      e -= 100 * i;
    }
    i = e / 10;
    *(p++) = '0' + i;
    cnt++;
    e -= 10 * i;
    *(p++) = '0' + e;
    cnt++;
  }
  if (cnt >= width) {
    *(p++) = '\0';
    *endstring = cnt + 1;
  } else {
    d = width - cnt;
    for (i = 0; i < cnt; i++)
      s[i + d] = s[i];
    for (i = 0; i < d; i++)
      s[i] = fill;
    s[width] = '\0';
    *endstring = width;
  }
}
```