user: Translate the below assembly code into C programming language:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x50,%rsp
  movl   $0x9,-0x44(%rbp)
  movl   $0x28,-0x40(%rbp)
  movl   $0x2f,-0x3c(%rbp)
  movq   $0x100,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <malloc@plt>
  mov    %rax,-0x10(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <acc_malloc@plt>
  mov    %rax,-0x8(%rbp)
  mov    -0x18(%rbp),%rdx
  mov    -0x44(%rbp),%ecx
  mov    -0x10(%rbp),%rax
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <memset@plt>
  mov    -0x18(%rbp),%rdx
  mov    -0x10(%rbp),%rcx
  mov    -0x8(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <acc_memcpy_to_device@plt>
  mov    -0x18(%rbp),%rdx
  mov    -0x40(%rbp),%ecx
  mov    -0x10(%rbp),%rax
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <memset@plt>
  mov    -0x18(%rbp),%rdx
  mov    -0x8(%rbp),%rcx
  mov    -0x10(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <acc_map_data@plt>
  movq   $0x0,-0x38(%rbp)
  jmp    L10
L82:
  mov    -0x10(%rbp),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  cmp    %eax,-0x40(%rbp)
  je     L50
  mov    $0x0,%eax
  call   <abort@plt>
L50:
  addq   $0x1,-0x38(%rbp)
L10:
  mov    -0x38(%rbp),%rax
  cmp    -0x18(%rbp),%rax
  jb     L82
  mov    -0x18(%rbp),%rdx
  mov    -0x8(%rbp),%rcx
  mov    -0x10(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <acc_memcpy_from_device@plt>
  movq   $0x0,-0x30(%rbp)
  jmp    L1
L34:
  mov    -0x10(%rbp),%rdx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  cmp    %eax,-0x44(%rbp)
  je     L52
  mov    $0x0,%eax
  call   <abort@plt>
L52:
  addq   $0x1,-0x30(%rbp)
L1:
  mov    -0x30(%rbp),%rax
  cmp    -0x18(%rbp),%rax
  jb     L34
  mov    -0x18(%rbp),%rdx
  mov    -0x3c(%rbp),%ecx
  mov    -0x10(%rbp),%rax
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <memset@plt>
  mov    -0x10(%rbp),%rax
  mov    %rax,%rdi
  call   <acc_unmap_data@plt>
  movq   $0x0,-0x28(%rbp)
  jmp    L80
L109:
  mov    -0x10(%rbp),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  cmp    %eax,-0x3c(%rbp)
  je     L42
  mov    $0x0,%eax
  call   <abort@plt>
L42:
  addq   $0x1,-0x28(%rbp)
L80:
  mov    -0x28(%rbp),%rax
  cmp    -0x18(%rbp),%rax
  jb     L109
  mov    -0x18(%rbp),%rdx
  mov    -0x8(%rbp),%rcx
  mov    -0x10(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <acc_memcpy_from_device@plt>
  movq   $0x0,-0x20(%rbp)
  jmp    L97
L116:
  mov    -0x10(%rbp),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  cmp    %eax,-0x44(%rbp)
  je     L11
  mov    $0x0,%eax
  call   <abort@plt>
L11:
  addq   $0x1,-0x20(%rbp)
L97:
  mov    -0x20(%rbp),%rax
  cmp    -0x18(%rbp),%rax
  jb     L116
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <acc_free@plt>
  mov    -0x10(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    $0x0,%eax
  leave
  ret
```

assistant: ```c
int main() {
  const int c0 = 9;
  const int c1 = 40;
  const int c2 = 47;
  const size_t N = 256;
  unsigned char *h = (unsigned char *)malloc(N);
  void *d = acc_malloc(N);
  memset(h, c0, N);
  acc_memcpy_to_device(d, h, N);
  memset(h, c1, N);
  acc_map_data(h, d, N);
  for (size_t i = 0; i < N; ++i)
    if (h[i] != c1)
      abort();
  acc_memcpy_from_device(h, d, N);
  for (size_t i = 0; i < N; ++i)
    if (h[i] != c0)
      abort();
  memset(h, c2, N);
  acc_unmap_data(h);
  for (size_t i = 0; i < N; ++i)
    if (h[i] != c2)
      abort();
  acc_memcpy_from_device(h, d, N);
  for (size_t i = 0; i < N; ++i)
    if (h[i] != c0)
      abort();
  acc_free(d);
  free(h);
  return 0;
}
```