user: 下面的汇编指令对应的C源代码是什么：

```asm
<main>:
  endbr64
  push   %r15
  lea    D48(%rip),%rsi
  lea    D35(%rip),%rdi
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x58,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x48(%rsp)
  xor    %eax,%eax
  call   <fopen@plt>
  lea    D42(%rip),%rsi
  lea    D38(%rip),%rdi
  mov    %rax,%r13
  call   <fopen@plt>
  mov    $0x118,%edi
  mov    %rax,0x8(%rsp)
  call   <malloc@plt>
  mov    $0x2,%edi
  mov    %rax,%rbp
  call   <malloc@plt>
  mov    $0x2,%edi
  mov    %rbp,%rbx
  lea    0x108(%rbp),%r12
  mov    %rax,0x0(%rbp)
  call   <malloc@plt>
  mov    %rax,0x8(%rbp)
  mov    0x0(%rbp),%rax
  movb   $0x41,(%rax)
  mov    0x8(%rbp),%rax
  movb   $0x42,(%rax)
  mov    0x8(%rbp),%rax
  movb   $0x0,0x1(%rax)
  mov    0x0(%rbp),%rax
  movb   $0x0,0x1(%rax)
  nopl   0x0(%rax)
L7:
  mov    0x8(%rbx),%rdi
  add    $0x8,%rbx
  call   <strlen@plt>
  mov    -0x8(%rbx),%rdi
  mov    %eax,%r15d
  call   <strlen@plt>
  lea    0x1(%r15,%rax,1),%edi
  call   <malloc@plt>
  mov    (%rbx),%rsi
  mov    %rax,0x8(%rbx)
  mov    %rax,%rdi
  call   <strcpy@plt>
  mov    (%rbx),%rdi
  mov    -0x8(%rbx),%r14
  mov    0x8(%rbx),%r15
  call   <strlen@plt>
  mov    %r14,%rsi
  cltq
  lea    (%r15,%rax,1),%rdi
  call   <strcpy@plt>
  cmp    %rbx,%r12
  jne    L7
  lea    0x20(%rsp),%r12
  lea    0x1f(%rsp),%r15
  nopw   0x0(%rax,%rax,1)
L41:
  mov    %r12,%rcx
  mov    %r15,%rdx
  lea    D7(%rip),%rsi
  mov    %r13,%rdi
  call   <fscanf@plt>
  movzbl 0x1f(%rsp),%eax
  sub    $0x1,%eax
  mov    %al,0x1f(%rsp)
  movsbq %al,%rax
  mov    0x0(%rbp,%rax,8),%rdi
  call   <strlen@plt>
  mov    %r12,%rdi
  mov    %eax,%ebx
  call   <strlen@plt>
  sub    %eax,%ebx
  movslq %ebx,%r14
  xor    %ebx,%ebx
  test   %r14,%r14
  js     L3
  nopl   (%rax)
L13:
  movsbq 0x1f(%rsp),%rax
  mov    %r12,%rdi
  mov    0x0(%rbp,%rax,8),%rsi
  add    %r14,%rsi
  call   <streq@plt>
  add    %rax,%rbx
  sub    $0x1,%r14
  jae    L13
L3:
  mov    0x8(%rsp),%rdi
  mov    %rbx,%rdx
  lea    D40(%rip),%rsi
  call   <fprintf@plt>
  mov    %r13,%rdi
  call   <feof@plt>
  test   %eax,%eax
  je     L41
  xor    %eax,%eax
  call   <fcloseall@plt>
  mov    0x48(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L27
  add    $0x58,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L27:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: tag: D48
type: string
name: extract_symbolic_data
arguments: tag: D35
type: string
name: extract_symbolic_data
arguments: tag: D42
type: string
name: extract_symbolic_data
arguments: tag: D38
type: string
name: extract_symbolic_data
arguments: tag: D7
type: string
name: extract_symbolic_data
arguments: tag: D40
type: string

tool: D48: r

tool: D35: FIBISTR.INP

tool: D42: w

tool: D38: FIBISTR.OUT

tool: D7: %hhd %s


tool: D40: %ld


assistant: ```c
int main() {
  FILE *fi = fopen("FIBISTR.INP", "r"), *fo = fopen("FIBISTR.OUT", "w");
  char **fibi = malloc(35 * sizeof(char *)), s[26], n;
  long i, c;
  fibi[0] = malloc(2);
  fibi[1] = malloc(2);
  fibi[0][0] = 65;
  fibi[1][0] = 66;
  fibi[0][1] = fibi[1][1] = 0;
  for (i = 2; i < 35; i++) {
    fibi[i] = malloc(strlen(fibi[i - 1]) + strlen(fibi[i - 2]) + 1);
    strcpy(fibi[i], fibi[i - 1]);
    strcpy(fibi[i] + strlen(fibi[i - 1]), fibi[i - 2]);
  }
  do {
    fscanf(fi, "%hhd %s\n", &n, s);
    n--;
    c = 0;
    for (i = strlen(fibi[n]) - strlen(s); i >= 0; i--)
      c += streq(s, fibi[n] + i);
    fprintf(fo, "%ld\n", c);
  } while (!feof(fi));
  fcloseall();
  return 0;
}
```