user: Converte this assembly snippet into its equivalent C code:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r14
  push   %r13
  push   %r12
  push   %rbx
  sub    $0x70,%rsp
  mov    %edi,-0x64(%rbp)
  mov    %rsi,-0x70(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x28(%rbp)
  xor    %eax,%eax
  lea    0x10(%rbp),%rax
  mov    %rax,-0x30(%rbp)
  lea    -0x50(%rbp),%rax
  add    $0x4,%rax
  lea    -0x50(%rbp),%rdx
  movl   $0xfa1e0ff3,(%rax)
  movw   $0xbb49,0x4(%rax)
  lea    -0xaf(%rip),%rsi        # 1179 <nested.0>
  mov    %rsi,0x6(%rax)
  movw   $0xba49,0xe(%rax)
  mov    %rdx,0x10(%rax)
  movl   $0x90e3ff49,0x18(%rax)
  mov    %rsp,%rax
  mov    %rax,%r14
  mov    -0x64(%rbp),%eax
  mov    %eax,-0x50(%rbp)
  mov    -0x50(%rbp),%eax
  cltq
  mov    %rax,-0x80(%rbp)
  movq   $0x0,-0x78(%rbp)
  mov    -0x50(%rbp),%eax
  cltq
  sub    $0x1,%rax
  mov    %rax,-0x60(%rbp)
  mov    -0x50(%rbp),%eax
  cltq
  mov    %rax,-0x90(%rbp)
  movq   $0x0,-0x88(%rbp)
  mov    -0x50(%rbp),%eax
  cltq
  add    $0x4,%rax
  mov    %rax,%r8
  mov    $0x0,%r9d
  mov    %r8,%rax
  mov    %r9,%rdx
  shld   $0x3,%rax,%rdx
  shl    $0x3,%rax
  add    $0x1f,%rax
  adc    $0x0,%rdx
  mov    %rax,%rdi
  and    $0xffffffffffffffe0,%rdi
  mov    %rdi,%r12
  mov    %rdx,%rax
  and    $0xff,%ah
  mov    %rax,%r13
  mov    -0x50(%rbp),%eax
  cltq
  add    $0x4,%rax
  mov    %rax,%rcx
  mov    $0x0,%ebx
  mov    %rcx,%rax
  mov    %rbx,%rdx
  shld   $0x3,%rax,%rdx
  shl    $0x3,%rax
  add    $0x1f,%rax
  adc    $0x0,%rdx
  mov    %rax,%rbx
  and    $0xffffffffffffffe0,%rbx
  mov    %rbx,%r10
  mov    %rdx,%rax
  and    $0xff,%ah
  mov    %rax,%r11
  mov    -0x50(%rbp),%eax
  cltq
  add    $0x7,%rax
  and    $0xfffffffffffffffc,%rax
  mov    %rax,%rdx
  mov    $0x10,%eax
  sub    $0x1,%rax
  add    %rdx,%rax
  mov    $0x10,%ebx
  mov    $0x0,%edx
  div    %rbx
  imul   $0x10,%rax,%rax
  mov    %rax,%rcx
  and    $0xfffffffffffff000,%rcx
  mov    %rsp,%rdx
  sub    %rcx,%rdx
L24:
  cmp    %rdx,%rsp
  je     L15
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L24
L15:
  mov    %rax,%rdx
  and    $0xfff,%edx
  sub    %rdx,%rsp
  mov    %rax,%rdx
  and    $0xfff,%edx
  test   %rdx,%rdx
  je     L10
  and    $0xfff,%eax
  sub    $0x8,%rax
  add    %rsp,%rax
  orq    $0x0,(%rax)
L10:
  mov    %rsp,%rax
  add    $0x3,%rax
  shr    $0x2,%rax
  shl    $0x2,%rax
  mov    %rax,-0x58(%rbp)
  mov    -0x50(%rbp),%eax
  cltq
  add    $0x7,%rax
  and    $0xfffffffffffffffc,%rax
  mov    %rax,%rdx
  mov    -0x58(%rbp),%rax
  mov    $0x0,%esi
  mov    %rax,%rdi
  call   <memset@plt>
  mov    -0x58(%rbp),%rax
  movl   $0x7b,(%rax)
  lea    -0x50(%rbp),%rax
  add    $0x4,%rax
  mov    %rax,%rcx
  mov    -0x58(%rbp),%rdx
  mov    -0x64(%rbp),%eax
  mov    %eax,%esi
  mov    %rcx,%rdi
  mov    $0x0,%eax
  call   <bar@plt>
  mov    %eax,%esi
  lea    D4(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0x0,%eax
  mov    %r14,%rsp
  mov    -0x28(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L33
  call   <__stack_chk_fail@plt>
L33:
  lea    -0x20(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %rbp
  ret
```

tool_calls: name: extract_symbolic_data
arguments: data_label: D4
data_type: string

tool: D4: %d


assistant: ```c
int main(int argc, char **argv) {
  struct s {
    int a;
    char b[argc];
  };
  int nested(struct s x) { return x.a + sizeof(x); }
  struct s t;
  memset(&t, 0, sizeof(t));
  t.a = 123;
  printf("%d\n", bar(nested, argc, &t));
  return 0;
}
```