user: 请将以下的汇编代码转换成C语言代码:

```asm
<main>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x38,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  xor    %eax,%eax
  movq   $0x0,0x10(%rsp)
  movq   $0x0,0x18(%rsp)
  lea    D64(%rip),%rsi
  lea    D13(%rip),%rdi
  call   <fopen@plt>
  test   %rax,%rax
  je     L15
  mov    %rax,%rbp
  lea    0xc(%rsp),%rdx
  lea    D15(%rip),%rsi
  mov    %rax,%rdi
  call   <fscanf@plt>
  mov    $0xff,%esi
  lea    D24(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0x0,%ebx
  lea    D25(%rip),%r12
  mov    $0xcccccccd,%r15d
  lea    0xc(%rsp),%r14
  lea    D15(%rip),%r13
  jmp    L32
L15:
  lea    D6(%rip),%rdi
  call   <puts@plt>
  mov    $0xffffffff,%eax
  jmp    L8
L7:
  mov    %r14,%rdx
  mov    %r13,%rsi
  mov    %rbp,%rdi
  call   <fscanf@plt>
L32:
  mov    %rbp,%rdi
  call   <feof@plt>
  test   %eax,%eax
  jne    L53
  mov    0xc(%rsp),%esi
  mov    %ebx,%edi
  and    $0x3,%edi
  mov    %esi,%edx
  add    0x10(%rsp,%rdi,4),%edx
  mov    %edx,%eax
  shr    $0x8,%eax
  movzbl %dl,%edx
  add    %edx,%eax
  mov    %eax,%ecx
  shr    $0x8,%ecx
  add    %eax,%ecx
  mov    %ecx,0x10(%rsp,%rdi,4)
  add    $0x1,%ebx
  mov    %esi,%edx
  mov    %ebx,%esi
  mov    %r12,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  cmp    $0x2d,%ebx
  je     L61
  mov    %ebx,%eax
  imul   %r15,%rax
  shr    $0x23,%rax
  lea    (%rax,%rax,4),%eax
  add    %eax,%eax
  cmp    %eax,%ebx
  jne    L7
  mov    $0xa,%edi
  call   <putchar@plt>
  jmp    L7
L61:
  mov    $0x2c,%ebx
L53:
  mov    0x14(%rsp),%ecx
  not    %ecx
  mov    0x10(%rsp),%edx
  not    %edx
  mov    0x1c(%rsp),%r9d
  not    %r9d
  mov    0x18(%rsp),%r8d
  not    %r8d
  mov    %ebx,%esi
  lea    D20(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0x0,%eax
L8:
  mov    0x28(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L79
  add    $0x38,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L79:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: label: D64
type_guessed: string
name: retrieve_data
arguments: label: D13
type_guessed: string
name: retrieve_data
arguments: label: D15
type_guessed: string
name: retrieve_data
arguments: label: D24
type_guessed: string
name: retrieve_data
arguments: label: D25
type_guessed: string
name: retrieve_data
arguments: label: D6
type_guessed: string
name: retrieve_data
arguments: label: D20
type_guessed: string

tool: D64: r

tool: D13: header.txt

tool: D15: %x

tool: D24: test %d


tool: D25: %02x: %02x sum(%x) 

tool: D6: error opening header.txt

tool: D20: 
hlen = %d,sum[0-3] %02x-%02x-%02x-%02x 


assistant: ```c
int main() {
  unsigned int sum[4] = {0};
  unsigned int hdata, hlen = 0;
  FILE *fp = fopen("header.txt", "r");
  if (fp == NULL) {
    printf("error opening header.txt\n");
    return -1;
  }
  fscanf(fp, "%x", &hdata);
  printf("test %d\n", 0 + 0xff);
  while (!feof(fp)) {
    sum[hlen % 4] += hdata;
    sum[hlen % 4] = (sum[hlen % 4] >> 8) + (sum[hlen % 4] & 0xff);
    sum[hlen % 4] += (sum[hlen % 4] >> 8);
    printf("%02x: %02x sum(%x) ", (hlen + 1), hdata, sum[hlen % 4]);
    if (hlen == 44)
      break;
    hlen++;
    if (hlen % 10 == 0)
      printf("\n");
    fscanf(fp, "%x", &hdata);
  }
  printf("\nhlen = %d,sum[0-3] %02x-%02x-%02x-%02x \n", hlen, ~sum[0], ~sum[1], ~sum[2], ~sum[3]);
  return 0;
}
```