user: 请从给定的汇编指令推导出C源代码:

```asm
<pick_setup>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x250,%rsp
  mov    %rdi,-0x238(%rbp)
  mov    %esi,%eax
  mov    %rdx,-0x248(%rbp)
  mov    %al,-0x23c(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    -0x238(%rbp),%rax
  movb   $0x0,(%rax)
  movl   $0x0,-0x220(%rbp)
  mov    -0x248(%rbp),%rax
  lea    D7(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <fopen@plt>
  mov    %rax,-0x218(%rbp)
  cmpq   $0x0,-0x218(%rbp)
  jne    L87
  mov    $0x0,%eax
  jmp    L25
L159:
  movb   $0x0,-0x11(%rbp)
  movl   $0x0,-0x224(%rbp)
  jmp    L41
L125:
  mov    -0x224(%rbp),%eax
  cltq
  movzbl -0x210(%rbp,%rax,1),%eax
  cmp    $0xa,%al
  jne    L186
  mov    -0x224(%rbp),%eax
  cltq
  movb   $0x0,-0x210(%rbp,%rax,1)
L186:
  addl   $0x1,-0x224(%rbp)
L41:
  mov    -0x224(%rbp),%eax
  cltq
  movzbl -0x210(%rbp,%rax,1),%eax
  test   %al,%al
  jne    L125
  lea    -0x210(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  cmp    $0x3e,%eax
  jle    L134
  movzbl -0x210(%rbp),%eax
  cmp    $0x40,%al
  jle    L134
  movzbl -0x210(%rbp),%eax
  cmp    $0x5a,%al
  jg     L134
  addl   $0x1,-0x220(%rbp)
L134:
  movb   $0x0,-0x210(%rbp)
L87:
  mov    -0x218(%rbp),%rdx
  lea    -0x210(%rbp),%rax
  mov    $0x1ff,%esi
  mov    %rax,%rdi
  call   <fgets@plt>
  test   %rax,%rax
  jne    L159
  mov    -0x218(%rbp),%rax
  mov    %rax,%rdi
  call   <fclose@plt>
  cmpl   $0x0,-0x220(%rbp)
  jne    L123
  mov    $0x0,%eax
  jmp    L25
L123:
  mov    $0x0,%eax
  call   <rand@plt>
  cltd
  idivl  -0x220(%rbp)
  mov    %edx,-0x21c(%rbp)
  movl   $0x0,-0x220(%rbp)
  mov    -0x248(%rbp),%rax
  lea    D7(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <fopen@plt>
  mov    %rax,-0x218(%rbp)
  jmp    L36
L184:
  movb   $0x0,-0x11(%rbp)
  movl   $0x0,-0x224(%rbp)
  jmp    L53
L9:
  mov    -0x224(%rbp),%eax
  cltq
  movzbl -0x210(%rbp,%rax,1),%eax
  cmp    $0xa,%al
  jne    L199
  mov    -0x224(%rbp),%eax
  cltq
  movb   $0x0,-0x210(%rbp,%rax,1)
L199:
  addl   $0x1,-0x224(%rbp)
L53:
  mov    -0x224(%rbp),%eax
  cltq
  movzbl -0x210(%rbp,%rax,1),%eax
  test   %al,%al
  jne    L9
  lea    -0x210(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  cmp    $0x3e,%eax
  jle    L74
  movzbl -0x210(%rbp),%eax
  cmp    $0x40,%al
  jle    L74
  movzbl -0x210(%rbp),%eax
  cmp    $0x5a,%al
  jg     L74
  mov    -0x21c(%rbp),%eax
  cmp    -0x220(%rbp),%eax
  jne    L198
  movb   $0x0,-0x1d1(%rbp)
  lea    -0x210(%rbp),%rdx
  mov    -0x238(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcpy@plt>
L198:
  addl   $0x1,-0x220(%rbp)
L74:
  movb   $0x0,-0x210(%rbp)
L36:
  mov    -0x218(%rbp),%rdx
  lea    -0x210(%rbp),%rax
  mov    $0x1ff,%esi
  mov    %rax,%rdi
  call   <fgets@plt>
  test   %rax,%rax
  jne    L184
  mov    -0x218(%rbp),%rax
  mov    %rax,%rdi
  call   <fclose@plt>
  cmpb   $0x62,-0x23c(%rbp)
  jne    L25
  mov    -0x238(%rbp),%rax
  mov    $0x38,%edx
  mov    $0x31,%esi
  mov    %rax,%rdi
  call   <strrep@plt>
  mov    -0x238(%rbp),%rax
  mov    $0x37,%edx
  mov    $0x32,%esi
  mov    %rax,%rdi
  call   <strrep@plt>
  mov    -0x238(%rbp),%rax
  mov    $0x48,%edx
  mov    $0x61,%esi
  mov    %rax,%rdi
  call   <strrep@plt>
  mov    -0x238(%rbp),%rax
  mov    $0x47,%edx
  mov    $0x62,%esi
  mov    %rax,%rdi
  call   <strrep@plt>
  mov    -0x238(%rbp),%rax
  mov    $0x46,%edx
  mov    $0x63,%esi
  mov    %rax,%rdi
  call   <strrep@plt>
  mov    -0x238(%rbp),%rax
  mov    $0x45,%edx
  mov    $0x64,%esi
  mov    %rax,%rdi
  call   <strrep@plt>
  mov    -0x238(%rbp),%rax
  mov    $0x44,%edx
  mov    $0x65,%esi
  mov    %rax,%rdi
  call   <strrep@plt>
  mov    -0x238(%rbp),%rax
  mov    $0x43,%edx
  mov    $0x66,%esi
  mov    %rax,%rdi
  call   <strrep@plt>
  mov    -0x238(%rbp),%rax
  mov    $0x42,%edx
  mov    $0x67,%esi
  mov    %rax,%rdi
  call   <strrep@plt>
  mov    -0x238(%rbp),%rax
  mov    $0x41,%edx
  mov    $0x68,%esi
  mov    %rax,%rdi
  call   <strrep@plt>
  mov    -0x238(%rbp),%rax
  mov    %rax,%rdi
  call   <strlwr@plt>
L25:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L65
  call   <__stack_chk_fail@plt>
L65:
  leave
  ret
```

tool_calls: name: extract_symbolic_data
arguments: data_label: D7
type_guessed: string

tool: D7: r

assistant: ```c
pick_setup(char *s, char side, char *file) {
  FILE *f;
  char b[512];
  int i, count, r;
  s[0] = '\0';
  count = 0;
  f = fopen(file, "r");
  if (f == NULL) {
    return (0);
  }
  while (fgets(b, 511, f) != NULL) {
    b[511] = '\0';
    for (i = 0; b[i] != '\0'; i++) {
      if (b[i] == '\n') {
        b[i] = '\0';
      }
    }
    if (strlen(b) >= 63) {
      if ((b[0] >= 'A') && (b[0] <= 'Z')) {
        count += 1;
      }
    }
    b[0] = '\0';
  }
  fclose(f);
  if (count == 0) {
    return (0);
  }
  r = rand() % count;
  count = 0;
  f = fopen(file, "r");
  while (fgets(b, 511, f) != NULL) {
    b[511] = '\0';
    for (i = 0; b[i] != '\0'; i++) {
      if (b[i] == '\n') {
        b[i] = '\0';
      }
    }
    if (strlen(b) >= 63) {
      if ((b[0] >= 'A') && (b[0] <= 'Z')) {
        if (r == count) {
          b[63] = '\0';
          strcpy(s, b);
        }
        count += 1;
      }
    }
    b[0] = '\0';
  }
  fclose(f);
  if (side == 'b') {
    strrep(s, '1', '8');
    strrep(s, '2', '7');
    strrep(s, 'a', 'H');
    strrep(s, 'b', 'G');
    strrep(s, 'c', 'F');
    strrep(s, 'd', 'E');
    strrep(s, 'e', 'D');
    strrep(s, 'f', 'C');
    strrep(s, 'g', 'B');
    strrep(s, 'h', 'A');
    strlwr(s);
  }
}
```