user: Demonstrate the C code that generates the assembly output below:

```asm
<get_line>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%r13
  mov    %rsi,%rbp
  mov    %rdx,%r14
  mov    %rcx,%r15
L322:
  mov    $0x0,%ebx
  jmp    L200
L150:
  mov    %rax,0x0(%r13)
  mov    0x0(%rbp),%rax
  lea    0x50(%rax,%rax,1),%rax
  mov    %rax,0x0(%rbp)
L213:
  mov    0x0(%rbp),%rsi
  sub    %rbx,%rsi
  mov    %rbx,%rdi
  add    0x0(%r13),%rdi
  mov    %r14,%rdx
  call   <fgets@plt>
  mov    %eax,%r12d
  test   %eax,%eax
  je     L0
L337:
  mov    0x0(%r13),%r12
  lea    (%r12,%rbx,1),%rdi
  call   <strlen@plt>
  add    %rax,%rbx
  mov    0x0(%rbp),%rax
  sub    $0x1,%rax
  cmp    %rbx,%rax
  jne    L113
  lea    -0x1(%rbx),%rax
  add    %rax,%r12
  cmpb   $0xa,(%r12)
  je     L54
L200:
  mov    0x0(%rbp),%rax
  mov    %rax,%rdx
  sub    %rbx,%rdx
  cmp    $0x9,%rdx
  ja     L213
  lea    0x50(%rax,%rax,1),%rsi
  mov    0x0(%r13),%rdi
  call   <realloc@plt>
  test   %rax,%rax
  jne    L150
  mov    $0x0,%r12d
  jmp    L35
L0:
  mov    %r14,%rdi
  call   <ferror@plt>
  or     %rbx,%rax
  je     L35
  mov    %r14,%rdi
  call   <ferror@plt>
  test   %rax,%rax
  je     L337
  jmp    L35
L113:
  test   %rbx,%rbx
  je     L144
  lea    -0x1(%rbx),%rax
  add    %rax,%r12
  cmpb   $0xa,(%r12)
  je     L27
L144:
  addl   $0x1,(%r15)
  mov    0x0(%r13),%rax
  cmpb   $0x0,(%rax,%rbx,1)
  sete   %dil
  movzbl %dil,%edi
  call   <assert@plt>
  mov    $0x0,%r12d
  jmp    L352
L44:
  mov    %rdx,%r12
L352:
  mov    0x0(%r13),%rax
  movsbl (%rax,%r12,1),%edi
  call   <isspace@plt>
  test   %rax,%rax
  je     L130
  lea    0x1(%r12),%rdx
  mov    0x0(%r13),%rax
  cmpb   $0x0,(%rax,%r12,1)
  jne    L44
L130:
  sub    %r12,%rbx
  mov    0x0(%r13),%rdi
  lea    0x1(%rbx),%rdx
  lea    (%rdi,%r12,1),%rsi
  call   <memmove@plt>
  mov    0x0(%r13),%rax
  cmpb   $0x23,(%rax)
  je     L322
  lea    -0x1(%rbx),%rdx
  add    %rdx,%rax
  cmpb   $0x5c,(%rax)
  je     L173
L159:
  mov    %rbx,%rbp
  sub    $0x1,%rbx
  mov    0x0(%r13),%rax
  movsbl (%rax,%rbx,1),%edi
  call   <isspace@plt>
  test   %rax,%rax
  jne    L159
  mov    0x0(%r13),%rax
  movb   $0x0,(%rax,%rbp,1)
  mov    $0x1,%r12d
  jmp    L35
L148:
  mov    0x0(%rbp),%rsi
  sub    %rbx,%rsi
  mov    %rbx,%rdi
  add    0x0(%r13),%rdi
  mov    %r14,%rdx
  call   <fgets@plt>
  mov    %eax,%r12d
  test   %eax,%eax
  je     L230
L4:
  mov    0x0(%r13),%r12
  lea    (%r12,%rbx,1),%rdi
  call   <strlen@plt>
  add    %rax,%rbx
  mov    0x0(%rbp),%rax
  sub    $0x1,%rax
  cmp    %rbx,%rax
  jne    L112
  lea    -0x1(%rbx),%rax
  add    %rax,%r12
  cmpb   $0xa,(%r12)
  je     L24
L229:
  mov    0x0(%rbp),%rax
  mov    %rax,%rdx
  sub    %rbx,%rdx
  cmp    $0x9,%rdx
  ja     L148
  lea    0x50(%rax,%rax,1),%rsi
  mov    0x0(%r13),%rdi
  call   <realloc@plt>
  test   %rax,%rax
  je     L208
  mov    %rax,0x0(%r13)
  mov    0x0(%rbp),%rax
  lea    0x50(%rax,%rax,1),%rax
  mov    %rax,0x0(%rbp)
  jmp    L148
L230:
  mov    %r14,%rdi
  call   <ferror@plt>
  or     %rbx,%rax
  je     L35
  mov    %r14,%rdi
  call   <ferror@plt>
  test   %rax,%rax
  je     L4
  jmp    L35
L112:
  test   %rbx,%rbx
  je     L207
  lea    -0x1(%rbx),%rax
  add    %rax,%r12
  cmpb   $0xa,(%r12)
  je     L273
L207:
  addl   $0x1,(%r15)
  mov    0x0(%r13),%rax
  cmpb   $0x0,(%rax,%rbx,1)
  sete   %dil
  movzbl %dil,%edi
  call   <assert@plt>
  lea    -0x1(%rbx),%rdx
  mov    %rdx,%rax
  add    0x0(%r13),%rax
  cmpb   $0x5c,(%rax)
  jne    L159
L173:
  movb   $0x0,(%rax)
  mov    %rdx,%rbx
  jmp    L229
L208:
  mov    $0x0,%r12d
L35:
  mov    %r12d,%eax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L24:
  test   %rbx,%rbx
  je     L207
L273:
  movb   $0x0,(%r12)
  mov    %rax,%rbx
  jmp    L207
L54:
  test   %rbx,%rbx
  je     L144
L27:
  movb   $0x0,(%r12)
  mov    %rax,%rbx
  jmp    L144
```

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 ((*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 (isspace((*result)[pos - 1])) {
    pos--;
  }
  (*result)[pos] = '\0';
  return 1;
}
```