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

```asm
<read_string>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x68,%rsp
  mov    %rdi,%rbp
  mov    %rsi,%rbx
  mov    %rdx,%r12
  mov    %fs:0x28,%rax
  mov    %rax,0x58(%rsp)
  xor    %eax,%eax
  test   %rsi,%rsi
  je     L88
L54:
  test   %rbp,%rbp
  je     L79
L105:
  test   %r12,%r12
  je     L69
L86:
  cmpb   $0x2a,(%rbx)
  je     L104
  mov    %rbx,%rsi
  mov    %rbp,%rdi
  call   <find_string@plt>
  mov    %rax,%rdi
L106:
  mov    %r12,%rdx
  lea    D66(%rip),%rsi
  call   <sscanf@plt>
  test   %rax,%rax
  je     L19
L58:
  mov    %rbx,%rdi
  call   <strlen@plt>
  mov    %eax,%edi
  mov    $0xf,%esi
  call   <min_int@plt>
  lea    D9(%rip),%rcx
  add    %rax,%rcx
  mov    %r12,%r8
  mov    %rbx,%rdx
  mov    %rbp,%rsi
  lea    D25(%rip),%rdi
  call   <printf@plt>
  mov    0x58(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L8
  add    $0x68,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L88:
  lea    D18(%rip),%rdx
  lea    D65(%rip),%rsi
  mov    $0x16e,%edi
  call   <errhandler@plt>
  jmp    L54
L79:
  lea    D57(%rip),%rdx
  lea    D65(%rip),%rsi
  mov    $0x16f,%edi
  call   <errhandler@plt>
  jmp    L105
L69:
  lea    D75(%rip),%rdx
  lea    D65(%rip),%rsi
  mov    $0x170,%edi
  call   <errhandler@plt>
  jmp    L86
L104:
  lea    0x1(%rbx),%rsi
  mov    %rbp,%rdi
  call   <find_string@plt>
  mov    %rax,%rdi
  jmp    L106
L19:
  mov    %rsp,%r13
  mov    %rbx,%r8
  mov    %rbp,%rcx
  lea    D105(%rip),%rdx
  lea    D80(%rip),%rsi
  mov    %r13,%rdi
  call   <sprintf@plt>
  mov    %r13,%rdx
  lea    D65(%rip),%rsi
  mov    $0x178,%edi
  call   <errhandler@plt>
  jmp    L58
L8:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: data_label: D66
type_guessed: string
name: extract_symbolic_data
arguments: data_label: D9
type_guessed: string
name: extract_symbolic_data
arguments: data_label: D25
type_guessed: string
name: extract_symbolic_data
arguments: data_label: D18
type_guessed: string
name: extract_symbolic_data
arguments: data_label: D65
type_guessed: string
name: extract_symbolic_data
arguments: data_label: D57
type_guessed: string
name: extract_symbolic_data
arguments: data_label: D75
type_guessed: string
name: extract_symbolic_data
arguments: data_label: D105
type_guessed: string
name: extract_symbolic_data
arguments: data_label: D80
type_guessed: string

tool: D66: %s

tool: D9:                

tool: D25: File: %s		%s%s= %s


tool: D18: null pointer given as variable name

tool: D65: /scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/EvaBr/CFD-Lab/refs/heads/master/Backup/FinalProject/helper.c

tool: D57: null pointer given as filename

tool: D75: null pointer given as variable

tool: D105: wrong format

tool: D80:  %s  File: %s   Variable: %s 

assistant: ```c
void read_string(const char *szFileName, const char *szVarName, char *pVariable) {
  char *szValue = NULL;
  if (szVarName == 0)
    errhandler(366, "/scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/EvaBr/CFD-Lab/refs/heads/master/Backup/FinalProject/helper.c", "null pointer given as variable name");
  if (szFileName == 0)
    errhandler(367, "/scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/EvaBr/CFD-Lab/refs/heads/master/Backup/FinalProject/helper.c", "null pointer given as filename");
  if (pVariable == 0)
    errhandler(368, "/scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/EvaBr/CFD-Lab/refs/heads/master/Backup/FinalProject/helper.c", "null pointer given as variable");
  if (szVarName[0] == '*')
    szValue = find_string(szFileName, szVarName + 1);
  else
    szValue = find_string(szFileName, szVarName);
  if (sscanf(szValue, "%s", pVariable) == 0) {
    char szTmp[80];
    if (0)
      sprintf(szTmp, " %s  File: %s   Variable: %s  Line: %d", "wrong format", szFileName, szVarName, 0);
    else
      sprintf(szTmp, " %s  File: %s   Variable: %s ", "wrong format", szFileName, szVarName);
    errhandler(376, "/scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/EvaBr/CFD-Lab/refs/heads/master/Backup/FinalProject/helper.c", szTmp);
  };
  printf("File: %s\t\t%s%s= %s\n", szFileName, szVarName, &("               "[min_int(strlen(szVarName), 15)]), pVariable);
}
```