user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<declare_variables>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    D72(%rip),%rax
  mov    %rax,%rsi
  lea    D64(%rip),%rax
  mov    %rax,%rdi
  call   <fopen@plt>
  mov    %rax,-0x20(%rbp)
  movl   $0xa,-0x38(%rbp)
  movq   $0x0,-0x28(%rbp)
  lea    D0(%rip),%rax
  mov    %rax,%rsi
  lea    D20(%rip),%rax
  mov    %rax,%rdi
  call   <fopen@plt>
  mov    %rax,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rcx
  mov    $0xc,%edx
  mov    $0x1,%esi
  lea    D17(%rip),%rax
  mov    %rax,%rdi
  call   <fwrite@plt>
  lea    D72(%rip),%rax
  mov    %rax,%rsi
  lea    D91(%rip),%rax
  mov    %rax,%rdi
  call   <fopen@plt>
  mov    %rax,-0x10(%rbp)
  mov    -0x10(%rbp),%rdx
  lea    -0x38(%rbp),%rcx
  lea    -0x28(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <getline@plt>
  mov    %eax,-0x34(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %eax,-0x30(%rbp)
  mov    -0x28(%rbp),%rdx
  mov    -0x30(%rbp),%eax
  cltq
  sub    $0x1,%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  jmp    L21
L47:
  mov    -0x28(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  lea    D97(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <fprintf@plt>
  mov    -0x10(%rbp),%rdx
  lea    -0x38(%rbp),%rcx
  lea    -0x28(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <getline@plt>
  mov    %eax,-0x34(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %eax,-0x2c(%rbp)
  mov    -0x28(%rbp),%rdx
  mov    -0x2c(%rbp),%eax
  cltq
  sub    $0x1,%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
L21:
  cmpl   $0xffffffff,-0x34(%rbp)
  jne    L47
  mov    -0x10(%rbp),%rax
  mov    %rax,%rdi
  call   <fclose@plt>
  mov    -0x18(%rbp),%rax
  mov    %rax,%rcx
  mov    $0x8,%edx
  mov    $0x1,%esi
  lea    D51(%rip),%rax
  mov    %rax,%rdi
  call   <fwrite@plt>
  mov    -0x20(%rbp),%rdx
  lea    -0x38(%rbp),%rcx
  lea    -0x28(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <getline@plt>
  mov    %eax,-0x34(%rbp)
  jmp    L8
L3:
  mov    -0x28(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  lea    D33(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <fprintf@plt>
  mov    -0x20(%rbp),%rdx
  lea    -0x38(%rbp),%rcx
  lea    -0x28(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <getline@plt>
  mov    %eax,-0x34(%rbp)
L8:
  cmpl   $0xffffffff,-0x34(%rbp)
  jne    L3
  mov    -0x18(%rbp),%rax
  mov    %rax,%rcx
  mov    $0x4,%edx
  mov    $0x1,%esi
  lea    D16(%rip),%rax
  mov    %rax,%rdi
  call   <fwrite@plt>
  mov    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <fclose@plt>
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <fclose@plt>
  nop
  mov    -0x8(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L22
  call   <__stack_chk_fail@plt>
L22:
  leave
  ret
```

tool_calls: name: parse_data
arguments: tag: D72
type_guessed: string
name: parse_data
arguments: tag: D64
type_guessed: string
name: parse_data
arguments: tag: D0
type_guessed: string
name: parse_data
arguments: tag: D20
type_guessed: string
name: parse_data
arguments: tag: D17
type_guessed: string
name: parse_data
arguments: tag: D91
type_guessed: string
name: parse_data
arguments: tag: D97
type_guessed: string
name: parse_data
arguments: tag: D51
type_guessed: string
name: parse_data
arguments: tag: D33
type_guessed: string
name: parse_data
arguments: tag: D16
type_guessed: string

tool: D72: r

tool: D64: 8086.txt

tool: D0: w

tool: D20: output.txt

tool: D17: jmp start 



tool: D91: variables.txt

tool: D97: %s db 0


tool: D51: start:  

tool: D33: %s


tool: D16: ret


assistant: ```c
void declare_variables() {
  FILE *fin = fopen("8086.txt", "r");
  int nbytes = 10;
  char *line = NULL;
  FILE *fout = fopen("output.txt", "w");
  fprintf(fout, "jmp start \n\n");
  FILE *var = fopen("variables.txt", "r");
  int a = getline(&line, &nbytes, var);
  int len = strlen(line);
  line[len - 1] = '\0';
  while (a != -1) {
    fprintf(fout, "%s db 0\n", line);
    a = getline(&line, &nbytes, var);
    int len = strlen(line);
    line[len - 1] = '\0';
  }
  fclose(var);
  fprintf(fout, "start:  ");
  a = getline(&line, &nbytes, fin);
  while (a != -1) {
    fprintf(fout, "%s\n", line);
    a = getline(&line, &nbytes, fin);
  }
  fprintf(fout, "ret\n");
  fclose(fin);
  fclose(fout);
  return;
}
```