user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<get_line>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %rdi,%r13
  mov    %rsi,%r12
  mov    %rdx,%r14
  mov    %rcx,0x8(%rsp)
  mov    $0x0,%r15d
L18:
  mov    $0x0,%ebp
  jmp    L108
L89:
  mov    (%r12),%rsi
  sub    %rbp,%rsi
  mov    %rbp,%rdi
  add    0x0(%r13),%rdi
  mov    %r14,%rdx
  call   <fgets@plt>
  mov    %eax,%ebx
  test   %eax,%eax
  je     L392
L107:
  mov    0x0(%r13),%rbx
  lea    (%rbx,%rbp,1),%rdi
  call   <strlen@plt>
  add    %rax,%rbp
  mov    (%r12),%rax
  sub    $0x1,%rax
  cmp    %rbp,%rax
  jne    L336
  lea    -0x1(%rbp),%rax
  add    %rax,%rbx
  cmpb   $0xa,(%rbx)
  je     L286
L108:
  mov    (%r12),%rax
  mov    %rax,%rdx
  sub    %rbp,%rdx
  cmp    $0x9,%rdx
  ja     L89
  lea    0x50(%rax,%rax,1),%rsi
  mov    0x0(%r13),%rdi
  call   <realloc@plt>
  test   %rax,%rax
  je     L159
  mov    %rax,0x0(%r13)
  mov    (%r12),%rax
  lea    0x50(%rax,%rax,1),%rax
  mov    %rax,(%r12)
  jmp    L89
L392:
  mov    %r14,%rdi
  call   <ferror@plt>
  or     %rbp,%rax
  je     L365
  mov    %r14,%rdi
  call   <ferror@plt>
  test   %rax,%rax
  je     L107
  jmp    L365
L336:
  test   %rbp,%rbp
  je     L149
  lea    -0x1(%rbp),%rax
  add    %rax,%rbx
  cmpb   $0xa,(%rbx)
  je     L115
L149:
  mov    0x8(%rsp),%rax
  addl   $0x1,(%rax)
  mov    0x0(%r13),%rax
  cmpb   $0x0,(%rax,%rbp,1)
  sete   %dil
  movzbl %dil,%edi
  call   <assert@plt>
  mov    %r15,%rbx
  jmp    L179
L314:
  mov    %rdx,%rbx
L179:
  mov    0x0(%r13),%rax
  movsbl (%rax,%rbx,1),%edi
  call   <isspace@plt>
  test   %rax,%rax
  je     L123
  lea    0x1(%rbx),%rdx
  mov    0x0(%r13),%rax
  cmpb   $0x0,(%rax,%rbx,1)
  jne    L314
L123:
  sub    %rbx,%rbp
  mov    0x0(%r13),%rdi
  lea    0x1(%rbp),%rdx
  lea    (%rdi,%rbx,1),%rsi
  call   <memmove@plt>
  mov    0x0(%r13),%rax
  cmpb   $0x23,(%rax)
  je     L18
  test   %rbp,%rbp
  jne    L96
  jmp    L235
L56:
  mov    (%r12),%rsi
  sub    %r15,%rsi
  mov    %r15,%rdi
  add    0x0(%r13),%rdi
  mov    %r14,%rdx
  call   <fgets@plt>
  mov    %eax,%ebx
  test   %eax,%eax
  je     L164
L241:
  mov    0x0(%r13),%rbx
  lea    (%rbx,%r15,1),%rdi
  call   <strlen@plt>
  add    %rax,%r15
  mov    (%r12),%rax
  sub    $0x1,%rax
  cmp    %r15,%rax
  jne    L167
  lea    -0x1(%r15),%rbp
  add    %rbp,%rbx
  cmpb   $0xa,(%rbx)
  je     L75
L270:
  mov    (%r12),%rax
  mov    %rax,%rdx
  sub    %r15,%rdx
  cmp    $0x9,%rdx
  ja     L56
  lea    0x50(%rax,%rax,1),%rsi
  mov    0x0(%r13),%rdi
  call   <realloc@plt>
  test   %rax,%rax
  je     L2
  mov    %rax,0x0(%r13)
  mov    (%r12),%rax
  lea    0x50(%rax,%rax,1),%rax
  mov    %rax,(%r12)
  jmp    L56
L164:
  mov    %r14,%rdi
  call   <ferror@plt>
  or     %r15,%rax
  je     L365
  mov    %r14,%rdi
  call   <ferror@plt>
  test   %rax,%rax
  je     L241
  jmp    L365
L167:
  test   %r15,%r15
  je     L44
  lea    -0x1(%r15),%rbp
  add    %rbp,%rbx
  cmpb   $0xa,(%rbx)
  je     L173
  mov    0x8(%rsp),%rax
  addl   $0x1,(%rax)
  mov    0x0(%r13),%rax
  cmpb   $0x0,(%rax,%r15,1)
  sete   %dil
  movzbl %dil,%edi
  call   <assert@plt>
  mov    %r15,%rbp
  jmp    L96
L173:
  movb   $0x0,(%rbx)
  mov    0x8(%rsp),%rax
  addl   $0x1,(%rax)
  mov    0x0(%r13),%rax
  cmpb   $0x0,(%rax,%rbp,1)
  sete   %dil
  movzbl %dil,%edi
  call   <assert@plt>
  test   %rbp,%rbp
  je     L235
L96:
  lea    -0x1(%rbp),%r15
  mov    %r15,%rax
  add    0x0(%r13),%rax
  cmpb   $0x5c,(%rax)
  jne    L144
  movb   $0x0,(%rax)
  jmp    L270
L82:
  mov    %rbx,%rbp
L144:
  test   %rbp,%rbp
  je     L396
  lea    -0x1(%rbp),%rbx
  mov    0x0(%r13),%rax
  movsbl -0x1(%rax,%rbp,1),%edi
  call   <isspace@plt>
  test   %rax,%rax
  jne    L82
  jmp    L396
L159:
  mov    $0x0,%ebx
  jmp    L365
L2:
  mov    $0x0,%ebx
L365:
  mov    %ebx,%eax
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L75:
  test   %r15,%r15
  jne    L173
L44:
  mov    0x8(%rsp),%rax
  addl   $0x1,(%rax)
  mov    0x0(%r13),%rax
  cmpb   $0x0,(%rax)
  sete   %dil
  movzbl %dil,%edi
  call   <assert@plt>
L235:
  mov    $0x0,%ebp
L396:
  mov    0x0(%r13),%rax
  movb   $0x0,(%rax,%rbp,1)
  mov    $0x1,%ebx
  jmp    L365
L286:
  test   %rbp,%rbp
  je     L149
L115:
  movb   $0x0,(%rbx)
  mov    %rax,%rbp
  jmp    L149
```

assistant: ```c
int get_line(char **result, size_t *result_len, FILE *f, int *line) {
  size_t pos;
  do {
    pos = 0;
    do {
      if (*result_len - pos < 10) {
        char *newstr = realloc(*result, *result_len * 2 + 80);
        if (newstr == NULL) {
          return 0;
        }
        *result = newstr;
        *result_len = *result_len * 2 + 80;
      }
      if (!fgets(*result + pos, *result_len - pos, f)) {
        if (ferror(f) == 0 && pos == 0)
          return 0;
        if (ferror(f) != 0)
          return 0;
      }
      pos += strlen(*result + pos);
    } while (pos == *result_len - 1 && (*result)[pos - 1] != '\n');
    if (pos != 0 && (*result)[pos - 1] == '\n')
      (*result)[--pos] = '\0';
    (*line)++;
    assert((*result)[pos] == '\0');
    int first = 0;
    while (isspace((*result)[first]) && (*result)[first])
      first++;
    memmove(*result, *result + first, pos - first + 1);
    pos -= first;
  } while ((*result)[0] == '#');
  while (pos && (*result)[pos - 1] == '\\') {
    (*result)[--pos] = '\0';
    do {
      if (*result_len - pos < 10) {
        char *newstr = realloc(*result, *result_len * 2 + 80);
        if (newstr == NULL) {
          return 0;
        }
        *result = newstr;
        *result_len = *result_len * 2 + 80;
      }
      if (!fgets(*result + pos, *result_len - pos, f)) {
        if (ferror(f) == 0 && pos == 0)
          return 0;
        if (ferror(f) != 0)
          return 0;
      }
      pos += strlen(*result + pos);
    } while (pos == *result_len - 1 && (*result)[pos - 1] != '\n');
    if (pos != 0 && (*result)[pos - 1] == '\n')
      (*result)[--pos] = '\0';
    (*line)++;
    assert((*result)[pos] == '\0');
  }
  while (pos && isspace((*result)[pos - 1]))
    pos--;
  (*result)[pos] = '\0';
  return 1;
}
```