user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<shift_and_mark>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  add    $0xffffffffffffff80,%rsp
  mov    %rdi,-0x58(%rbp)
  mov    %rsi,-0x60(%rbp)
  mov    %rdx,-0x68(%rbp)
  mov    %rcx,-0x70(%rbp)
  mov    %r8,-0x78(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    -0x70(%rbp),%rax
  and    $0x1f,%eax
  mov    %rax,-0x40(%rbp)
  mov    -0x70(%rbp),%rax
  shr    $0x5,%rax
  mov    %rax,-0x38(%rbp)
  mov    -0x68(%rbp),%rdx
  mov    -0x78(%rbp),%rax
  add    %rdx,%rax
  sub    -0x38(%rbp),%rax
  sub    $0x1,%rax
  mov    %rax,-0x30(%rbp)
  cmpq   $0x0,-0x30(%rbp)
  jns    L6
  lea    D5(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
L6:
  mov    -0x68(%rbp),%rax
  lea    -0x1(%rax),%rdx
  mov    -0x30(%rbp),%rax
  cmp    %rax,%rdx
  cmovbe %rdx,%rax
  mov    %rax,-0x28(%rbp)
  mov    -0x38(%rbp),%rax
  sub    -0x78(%rbp),%rax
  mov    %rax,-0x20(%rbp)
  mov    -0x78(%rbp),%rax
  mov    -0x38(%rbp),%rdx
  sub    %rdx,%rax
  mov    $0x0,%edx
  test   %rax,%rax
  cmovs  %rdx,%rax
  mov    %rax,-0x18(%rbp)
  cmpq   $0x0,-0x18(%rbp)
  jle    L28
  mov    -0x18(%rbp),%rax
  sub    $0x1,%rax
  mov    %rax,-0x48(%rbp)
  mov    -0x48(%rbp),%rax
  lea    0x0(,%rax,4),%rdx
  mov    -0x58(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  lea    -0x10(%rbp),%rdx
  mov    -0x40(%rbp),%rcx
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <ext_shift@plt>
  mov    -0x48(%rbp),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  add    $0x1,%rax
  lea    0x0(,%rax,4),%rdx
  mov    -0x60(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%ecx
  mov    -0xc(%rbp),%edx
  mov    -0x48(%rbp),%rsi
  mov    -0x20(%rbp),%rax
  add    %rsi,%rax
  add    $0x1,%rax
  lea    0x0(,%rax,4),%rsi
  mov    -0x60(%rbp),%rax
  add    %rsi,%rax
  or     %ecx,%edx
  mov    %edx,(%rax)
L28:
  mov    -0x18(%rbp),%rax
  mov    %rax,-0x48(%rbp)
  jmp    L30
L12:
  mov    -0x48(%rbp),%rax
  lea    0x0(,%rax,4),%rdx
  mov    -0x58(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  lea    -0x10(%rbp),%rdx
  mov    -0x40(%rbp),%rcx
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <ext_shift@plt>
  mov    -0x48(%rbp),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  lea    0x0(,%rax,4),%rdx
  mov    -0x60(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%ecx
  mov    -0x10(%rbp),%edx
  mov    -0x48(%rbp),%rsi
  mov    -0x20(%rbp),%rax
  add    %rsi,%rax
  lea    0x0(,%rax,4),%rsi
  mov    -0x60(%rbp),%rax
  add    %rsi,%rax
  or     %ecx,%edx
  mov    %edx,(%rax)
  mov    -0x48(%rbp),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  add    $0x1,%rax
  lea    0x0(,%rax,4),%rdx
  mov    -0x60(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%ecx
  mov    -0xc(%rbp),%edx
  mov    -0x48(%rbp),%rsi
  mov    -0x20(%rbp),%rax
  add    %rsi,%rax
  add    $0x1,%rax
  lea    0x0(,%rax,4),%rsi
  mov    -0x60(%rbp),%rax
  add    %rsi,%rax
  or     %ecx,%edx
  mov    %edx,(%rax)
  addq   $0x1,-0x48(%rbp)
L30:
  mov    -0x28(%rbp),%rax
  cmp    %rax,-0x48(%rbp)
  jb     L12
  mov    -0x48(%rbp),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  test   %rax,%rax
  je     L26
  mov    -0x28(%rbp),%rax
  mov    %rax,-0x48(%rbp)
  mov    -0x48(%rbp),%rax
  lea    0x0(,%rax,4),%rdx
  mov    -0x58(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  lea    -0x10(%rbp),%rdx
  mov    -0x40(%rbp),%rcx
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <ext_shift@plt>
  mov    -0x48(%rbp),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  lea    0x0(,%rax,4),%rdx
  mov    -0x60(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%ecx
  mov    -0x10(%rbp),%edx
  mov    -0x48(%rbp),%rsi
  mov    -0x20(%rbp),%rax
  add    %rsi,%rax
  lea    0x0(,%rax,4),%rsi
  mov    -0x60(%rbp),%rax
  add    %rsi,%rax
  or     %ecx,%edx
  mov    %edx,(%rax)
  nop
L26:
  nop
  mov    -0x8(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L56
  call   <__stack_chk_fail@plt>
L56:
  leave
  ret
```

tool_calls: name: disassemble_data
arguments: data_label: D5
type: string

tool: D5: Failure!!!!!


assistant: ```c
void shift_and_mark(uint64_t *source, uint64_t *target, unsigned long long length, unsigned long long shift, unsigned long long segoffset) {
  uint8_t bitoff = shift % (sizeof(uint64_t) * 8);
  unsigned long long offset = shift / (sizeof(uint64_t) * 8);
  uint64_t shifted[2];
  unsigned long long i;
  long long off_the_end;
  off_the_end = length + segoffset - offset - 1;
  if (off_the_end < 0)
    printf("Failure!!!!!\n");
  long long stop = (((length - 1) < (off_the_end)) ? (length - 1) : (off_the_end));
  const unsigned long long access_offset = offset - segoffset;
  const long long start_offset = (((0) > ((long long)segoffset - (long long)offset)) ? (0) : ((long long)segoffset - (long long)offset));
  if (start_offset > 0) {
    i = start_offset - 1;
    ext_shift(source[i], bitoff, shifted);
    target[i + 1 + access_offset] |= shifted[1];
  }
  for (i = start_offset; i < stop; i++) {
    ext_shift(source[i], bitoff, shifted);
    target[i + access_offset] |= shifted[0];
    target[i + 1 + access_offset] |= shifted[1];
  }
  if (i + access_offset > 0) {
    i = stop;
    ext_shift(source[i], bitoff, shifted);
    target[i + access_offset] |= shifted[0];
  }
  return;
}
```