user: 下面的汇编指令对应的C源代码是什么:

```asm
<test_lex_look_ahead_3>:
  endbr64
  push   %r15
  lea    D62(%rip),%r15
  push   %r14
  lea    D0(%rip),%r14
  push   %r13
  push   %r12
  lea    D3(%rip),%r12
  push   %rbp
  mov    %r12,%rdi
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%r13
  call   <strlen@plt>
  xor    %r8d,%r8d
  mov    %r15,%rcx
  mov    %r13,%rdx
  mov    %eax,%esi
  mov    %r12,%rdi
  mov    %eax,%ebp
  movl   $0x0,0x4(%rsp)
  call   <check_token@plt>
  mov    0x4(%rsp),%r8d
  mov    %r13,%rdx
  mov    %ebp,%esi
  lea    D28(%rip),%rcx
  mov    %r12,%rdi
  lea    0x3(%r8),%eax
  add    $0x4,%r8d
  mov    %eax,0x4(%rsp)
  call   <check_token@plt>
  mov    0x4(%rsp),%eax
  mov    %r14,%rcx
  mov    %r13,%rdx
  mov    %ebp,%esi
  mov    %r12,%rdi
  lea    0x1(%rax),%r8d
  mov    %r8d,0x4(%rsp)
  call   <check_token@plt>
  mov    0x4(%rsp),%eax
  mov    %r13,%rdx
  mov    %ebp,%esi
  lea    D71(%rip),%rcx
  mov    %r12,%rdi
  lea    0x1(%rax),%r8d
  mov    %r8d,0x4(%rsp)
  call   <check_token@plt>
  mov    0x4(%rsp),%eax
  mov    %r13,%rdx
  mov    %ebp,%esi
  lea    D26(%rip),%rcx
  mov    %r12,%rdi
  lea    0x1(%rax),%r8d
  mov    %r8d,0x4(%rsp)
  call   <check_token@plt>
  mov    0x4(%rsp),%r8d
  mov    %r15,%rcx
  mov    %r13,%rdx
  mov    %ebp,%esi
  mov    %r12,%rdi
  lea    0x1(%r8),%eax
  add    $0x2,%r8d
  mov    %eax,0x4(%rsp)
  call   <check_token@plt>
  mov    0x4(%rsp),%r8d
  mov    %r13,%rdx
  mov    %ebp,%esi
  lea    D16(%rip),%rcx
  mov    %r12,%rdi
  lea    0x3(%r8),%eax
  add    $0x4,%r8d
  mov    %eax,0x4(%rsp)
  call   <check_token@plt>
  mov    0x4(%rsp),%eax
  mov    %r14,%rcx
  mov    %r13,%rdx
  mov    %ebp,%esi
  mov    %r12,%rdi
  lea    0x1(%rax),%r8d
  mov    %r8d,0x4(%rsp)
  call   <check_token@plt>
  mov    0x4(%rsp),%eax
  mov    %r13,%rdx
  mov    %ebp,%esi
  lea    D13(%rip),%rcx
  mov    %r12,%rdi
  lea    0x1(%rax),%r8d
  mov    %r8d,0x4(%rsp)
  call   <check_token@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L4
  add    $0x10,%rsp
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L4:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: data_tag: D62
data_type: string
name: disassemble_data
arguments: data_tag: D0
data_type: string
name: disassemble_data
arguments: data_tag: D3
data_type: string
name: disassemble_data
arguments: data_tag: D28
data_type: string
name: disassemble_data
arguments: data_tag: D71
data_type: string
name: disassemble_data
arguments: data_tag: D26
data_type: string
name: disassemble_data
arguments: data_tag: D16
data_type: string
name: disassemble_data
arguments: data_tag: D13
data_type: string

tool: D62: int

tool: D0: =

tool: D3: int a=2; int b=17;

tool: D28: a

tool: D71: 2

tool: D26: ;

tool: D16: b

tool: D13: 17

assistant: ```c
void test_lex_look_ahead_3() {
  const char *input = "int a=2; int b=17;";
  unsigned int len, pos;
  len = strlen(input);
  pos = 0;
  check_token(input, len, &pos, "int", 0);
  pos += 3;
  check_token(input, len, &pos, "a", pos + 1);
  pos += 1;
  check_token(input, len, &pos, "=", pos);
  pos += 1;
  check_token(input, len, &pos, "2", pos);
  pos += 1;
  check_token(input, len, &pos, ";", pos);
  pos += 1;
  check_token(input, len, &pos, "int", pos + 1);
  pos += 3;
  check_token(input, len, &pos, "b", pos + 1);
  pos += 1;
  check_token(input, len, &pos, "=", pos);
  pos += 1;
  check_token(input, len, &pos, "17", pos);
}
```