user: 这段汇编代码用C语言表示是什么样的?

```asm
<check_sql_for_select>:
  endbr64
  push   %rbp
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  movabs $0x205443454c4553,%rax
  movl   $0x4f524620,0x9(%rsp)
  movb   $0x0,0xf(%rsp)
  movl   $0x20534120,0x4(%rsp)
  movb   $0x0,0x8(%rsp)
  mov    %rax,0x10(%rsp)
  mov    $0x204d,%eax
  mov    %ax,0xd(%rsp)
  test   %rdi,%rdi
  je     L57
  mov    %rdi,%rbp
  call   <strlen@plt>
  cmp    $0xc,%eax
  jle    L14
  mov    %rbp,%rdi
  lea    D37(%rip),%rsi
  call   <strstr@plt>
  mov    %rax,%rdi
  test   %rax,%rax
  je     L40
  lea    0x10(%rsp),%rsi
  mov    $0x7,%edx
  call   <strncpy@plt>
L40:
  mov    %rbp,%rdi
  lea    D64(%rip),%rsi
  call   <strstr@plt>
  mov    %rax,%rdi
  test   %rax,%rax
  je     L12
  lea    0x10(%rsp),%rsi
  mov    $0x7,%edx
  call   <strncpy@plt>
L12:
  mov    %rbp,%rdi
  lea    D25(%rip),%rsi
  call   <strstr@plt>
  mov    %rax,%rdi
  test   %rax,%rax
  je     L6
  lea    0x9(%rsp),%rsi
  mov    $0x6,%edx
  call   <strncpy@plt>
L6:
  mov    %rbp,%rdi
  lea    D23(%rip),%rsi
  call   <strstr@plt>
  mov    %rax,%rdi
  test   %rax,%rax
  je     L101
  lea    0x9(%rsp),%rsi
  mov    $0x6,%edx
  call   <strncpy@plt>
L101:
  mov    %rbp,%rdi
  lea    D35(%rip),%rsi
  call   <strstr@plt>
  mov    %rax,%rdi
  test   %rax,%rax
  je     L44
  lea    0x4(%rsp),%rsi
  mov    $0x4,%edx
  call   <strncpy@plt>
L44:
  mov    %rbp,%rdi
  lea    D53(%rip),%rsi
  call   <strstr@plt>
  mov    %rax,%rdi
  test   %rax,%rax
  je     L14
  lea    0x4(%rsp),%rsi
  mov    $0x4,%edx
  call   <strncpy@plt>
L14:
  mov    %rbp,%rdi
  call   <strlen@plt>
  mov    %eax,%r8d
  xor    %eax,%eax
  cmp    $0xc,%r8d
  jle    L57
L13:
  mov    0x18(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L100
  add    $0x20,%rsp
  pop    %rbp
  ret
  nopl   0x0(%rax)
L57:
  lea    D17(%rip),%rdi
  call   <printf@plt>
  mov    $0x1,%eax
  jmp    L13
L100:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: data_label: D37
type_guessed: string
name: extract_symbolic_data
arguments: data_label: D64
type_guessed: string
name: extract_symbolic_data
arguments: data_label: D25
type_guessed: string
name: extract_symbolic_data
arguments: data_label: D23
type_guessed: string
name: extract_symbolic_data
arguments: data_label: D35
type_guessed: string
name: extract_symbolic_data
arguments: data_label: D53
type_guessed: string
name: extract_symbolic_data
arguments: data_label: D17
type_guessed: string

tool: D37: select 

tool: D64: Select 

tool: D25:  from 

tool: D23:  From 

tool: D35:  As 

tool: D53:  as 

tool: D17: The SQL statement needs SELECT and FROM keywords with fields and tables.


assistant: ```c
int check_sql_for_select(char *sql) {
  int check = 0;
  char replace1[] = "SELECT ";
  char replace2[] = " FROM ";
  char replace3[] = " AS ";
  char *sp = NULL;
  char *fp = NULL;
  char *ap = NULL;
  if (sql != NULL && strlen(sql) > 12) {
    if ((sp = strstr(sql, "select "))) {
      strncpy(sp, replace1, 7);
    }
    if ((sp = strstr(sql, "Select "))) {
      strncpy(sp, replace1, 7);
    }
    if ((fp = strstr(sql, " from "))) {
      strncpy(fp, replace2, 6);
    }
    if ((fp = strstr(sql, " From "))) {
      strncpy(fp, replace2, 6);
    }
    if ((ap = strstr(sql, " As "))) {
      strncpy(ap, replace3, 4);
    }
    if ((ap = strstr(sql, " as "))) {
      strncpy(ap, replace3, 4);
    }
  }
  if (sql != NULL && strlen(sql) > 12) {
    if (strstr(sql, "SELECT ") && strstr(sql, " FROM")) {
      check = 0;
    }
  } else {
    check = 1;
    printf("The SQL statement needs SELECT and FROM keywords with fields and tables.\n");
  }
  return check;
}
```