user: What is the c source code of the assembly code below:

```asm
<write_vtkHeader_debug>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x90,%rsp
  mov    %rdi,-0x68(%rbp)
  mov    %esi,-0x6c(%rbp)
  mov    %edx,-0x70(%rbp)
  mov    %ecx,-0x74(%rbp)
  movsd  %xmm0,-0x80(%rbp)
  movsd  %xmm1,-0x88(%rbp)
  movsd  %xmm2,-0x90(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  cmpq   $0x0,-0x68(%rbp)
  jne    L4
  lea    -0x60(%rbp),%rax
  lea    D41(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <sprintf@plt>
  lea    -0x60(%rbp),%rax
  mov    %rax,%rdx
  lea    D15(%rip),%rax
  mov    %rax,%rsi
  mov    $0xcf,%edi
  call   <errhandler@plt>
  jmp    L28
L4:
  mov    -0x68(%rbp),%rax
  mov    %rax,%rcx
  mov    $0x1b,%edx
  mov    $0x1,%esi
  lea    D38(%rip),%rax
  mov    %rax,%rdi
  call   <fwrite@plt>
  mov    -0x68(%rbp),%rax
  mov    %rax,%rcx
  mov    $0x24,%edx
  mov    $0x1,%esi
  lea    D7(%rip),%rax
  mov    %rax,%rdi
  call   <fwrite@plt>
  mov    -0x68(%rbp),%rax
  mov    %rax,%rcx
  mov    $0x6,%edx
  mov    $0x1,%esi
  lea    D70(%rip),%rax
  mov    %rax,%rdi
  call   <fwrite@plt>
  mov    -0x68(%rbp),%rax
  mov    %rax,%rsi
  mov    $0xa,%edi
  call   <fputc@plt>
  mov    -0x68(%rbp),%rax
  mov    %rax,%rcx
  mov    $0x18,%edx
  mov    $0x1,%esi
  lea    D69(%rip),%rax
  mov    %rax,%rdi
  call   <fwrite@plt>
  mov    -0x74(%rbp),%eax
  lea    0x3(%rax),%esi
  mov    -0x70(%rbp),%eax
  lea    0x3(%rax),%ecx
  mov    -0x6c(%rbp),%eax
  lea    0x3(%rax),%edx
  mov    -0x68(%rbp),%rax
  mov    %esi,%r8d
  lea    D53(%rip),%rsi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <fprintf@plt>
  mov    -0x6c(%rbp),%eax
  lea    0x3(%rax),%edx
  mov    -0x70(%rbp),%eax
  add    $0x3,%eax
  imul   %edx,%eax
  mov    -0x74(%rbp),%edx
  add    $0x3,%edx
  imul   %eax,%edx
  mov    -0x68(%rbp),%rax
  lea    D72(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <fprintf@plt>
  mov    -0x68(%rbp),%rax
  mov    %rax,%rsi
  mov    $0xa,%edi
  call   <fputc@plt>
L28:
  mov    -0x8(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L11
  call   <__stack_chk_fail@plt>
L11:
  leave
  ret
```

tool_calls: name: retrieve_data
arguments: label: D41
data_type: string
name: retrieve_data
arguments: label: D15
data_type: string
name: retrieve_data
arguments: label: D38
data_type: string
name: retrieve_data
arguments: label: D7
data_type: string
name: retrieve_data
arguments: label: D70
data_type: string
name: retrieve_data
arguments: label: D69
data_type: string
name: retrieve_data
arguments: label: D53
data_type: string
name: retrieve_data
arguments: label: D72
data_type: string

tool: D41: Null pointer in write_vtkHeader

tool: D15: /scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/EvaBr/CFD-Lab/refs/heads/master/FinalProject/visual.c

tool: D38: # vtk DataFile Version 2.0


tool: D7: generated by CFD-lab course output 


tool: D70: ASCII


tool: D69: DATASET STRUCTURED_GRID


tool: D53: DIMENSIONS  %i %i %i 


tool: D72: POINTS %i float


assistant: ```c
void write_vtkHeader_debug(FILE *fp, int imax, int jmax, int kmax, double dx, double dy, double dz) {
  if (fp == NULL) {
    char szBuff[80];
    sprintf(szBuff, "Null pointer in write_vtkHeader");
    errhandler(207, "/scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/EvaBr/CFD-Lab/refs/heads/master/FinalProject/visual.c", szBuff);
    return;
  }
  fprintf(fp, "# vtk DataFile Version 2.0\n");
  fprintf(fp, "generated by CFD-lab course output \n");
  fprintf(fp, "ASCII\n");
  fprintf(fp, "\n");
  fprintf(fp, "DATASET STRUCTURED_GRID\n");
  fprintf(fp, "DIMENSIONS  %i %i %i \n", imax + 3, jmax + 3, kmax + 3);
  fprintf(fp, "POINTS %i float\n", (imax + 3) * (jmax + 3) * (kmax + 3));
  fprintf(fp, "\n");
}
```