user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<irafrdhead>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x68,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x58(%rsp)
  xor    %eax,%eax
  movl   $0x0,(%rsi)
  lea    D59(%rip),%rsi
  call   <fopen@plt>
  test   %rax,%rax
  je     L52
  xor    %esi,%esi
  mov    $0x2,%edx
  mov    %rax,%rdi
  mov    %rax,%rbp
  call   <fseek@plt>
  test   %rax,%rax
  jne    L114
  mov    %rbp,%rdi
  call   <ftell@plt>
  mov    %rax,%r14
  test   %rax,%rax
  js     L4
  xor    %edx,%edx
  xor    %esi,%esi
  mov    %rbp,%rdi
  call   <fseek@plt>
  test   %rax,%rax
  jne    L41
  lea    0x1388(%r14),%r15d
  mov    $0x1,%edi
  mov    %r15d,%esi
  call   <calloc@plt>
  mov    %rax,%r13
  test   %rax,%rax
  je     L19
  mov    %r15d,(%rbx)
  mov    %r14,%rdx
  mov    %rax,%rdi
  mov    %rbp,%rcx
  mov    $0x1,%esi
  call   <fread@plt>
  mov    %rbp,%rdi
  mov    %eax,%r14d
  call   <fclose@plt>
  cmp    $0x3ff,%r14d
  jle    L68
L39:
  mov    0x58(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L79
  add    $0x68,%rsp
  mov    %r13,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopw   0x0(%rax,%rax,1)
L19:
  mov    %rsp,%rbp
  mov    %r15d,%edx
  lea    D26(%rip),%rsi
  xor    %eax,%eax
  mov    %rbp,%rdi
  call   <sprintf@plt>
  mov    %rbp,%rdi
  call   <ffpmsg@plt>
  mov    %r12,%rdi
  call   <ffpmsg@plt>
  jmp    L39
  nopl   0x0(%rax)
L114:
  lea    D40(%rip),%rdi
  xor    %r13d,%r13d
  call   <ffpmsg@plt>
  mov    %r12,%rdi
  call   <ffpmsg@plt>
  jmp    L39
  nopl   0x0(%rax)
L41:
  lea    D16(%rip),%rdi
  xor    %r13d,%r13d
  call   <ffpmsg@plt>
  mov    %r12,%rdi
  call   <ffpmsg@plt>
  jmp    L39
  nopl   0x0(%rax)
L4:
  lea    D32(%rip),%rdi
  xor    %r13d,%r13d
  call   <ffpmsg@plt>
  mov    %r12,%rdi
  call   <ffpmsg@plt>
  jmp    L39
  nopl   0x0(%rax)
L52:
  lea    D29(%rip),%rdi
  xor    %r13d,%r13d
  call   <ffpmsg@plt>
  mov    %r12,%rdi
  call   <ffpmsg@plt>
  jmp    L39
  nopl   0x0(%rax)
L68:
  mov    %rsp,%rbp
  mov    $0x400,%ecx
  mov    %r14d,%edx
  xor    %eax,%eax
  lea    D39(%rip),%rsi
  mov    %rbp,%rdi
  call   <sprintf@plt>
  mov    %rbp,%rdi
  call   <ffpmsg@plt>
  mov    %r12,%rdi
  call   <ffpmsg@plt>
  mov    %r13,%rdi
  xor    %r13d,%r13d
  call   <free@plt>
  jmp    L39
L79:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: data_label: D59
datatype: string
name: retrieve_data
arguments: data_label: D26
datatype: string
name: retrieve_data
arguments: data_label: D40
datatype: string
name: retrieve_data
arguments: data_label: D16
datatype: string
name: retrieve_data
arguments: data_label: D32
datatype: string
name: retrieve_data
arguments: data_label: D29
datatype: string
name: retrieve_data
arguments: data_label: D39
datatype: string

tool: D59: rb

tool: D26: IRAFRHEAD Cannot allocate %d-byte header

tool: D40: IRAFRHEAD: cannot seek in file:

tool: D16: IRAFRHEAD: cannot seek to beginning of file:

tool: D32: IRAFRHEAD: cannot get pos. in file:

tool: D29: unable to open IRAF header file:

tool: D39: IRAFRHEAD header file: %d / %d bytes read.

assistant: ```c
char *irafrdhead(const char *filename, int *lihead) {
  FILE *fd;
  int nbr;
  char *irafheader;
  char errmsg[81];
  long nbhead;
  int nihead;
  *lihead = 0;
  fd = fopen(filename, "rb");
  if (fd == NULL) {
    ffpmsg("unable to open IRAF header file:");
    ffpmsg(filename);
    return (NULL);
  }
  if (fseek(fd, 0, 2) != 0) {
    ffpmsg("IRAFRHEAD: cannot seek in file:");
    ffpmsg(filename);
    return (NULL);
  }
  nbhead = ftell(fd);
  if (nbhead < 0) {
    ffpmsg("IRAFRHEAD: cannot get pos. in file:");
    ffpmsg(filename);
    return (NULL);
  }
  if (fseek(fd, 0, 0) != 0) {
    ffpmsg("IRAFRHEAD: cannot seek to beginning of file:");
    ffpmsg(filename);
    return (NULL);
  }
  nihead = nbhead + 5000;
  irafheader = (char *)calloc(1, nihead);
  if (irafheader == NULL) {
    sprintf(errmsg, "IRAFRHEAD Cannot allocate %d-byte header", nihead);
    ffpmsg(errmsg);
    ffpmsg(filename);
    return (NULL);
  }
  *lihead = nihead;
  nbr = fread(irafheader, 1, nbhead, fd);
  fclose(fd);
  if (nbr < 1024) {
    sprintf(errmsg, "IRAFRHEAD header file: %d / %d bytes read.", nbr, 1024);
    ffpmsg(errmsg);
    ffpmsg(filename);
    free(irafheader);
    return (NULL);
  }
  return (irafheader);
}
```