user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<reed_sol_r6_encode>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %edi,-0x14(%rbp)
  mov    %esi,-0x18(%rbp)
  mov    %rdx,-0x20(%rbp)
  mov    %rcx,-0x28(%rbp)
  mov    %r8d,-0x2c(%rbp)
  mov    -0x20(%rbp),%rax
  mov    (%rax),%rcx
  mov    -0x28(%rbp),%rax
  mov    (%rax),%rax
  mov    -0x2c(%rbp),%edx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <memcpy@plt>
  movl   $0x1,-0x4(%rbp)
  jmp    L27
L40:
  mov    -0x28(%rbp),%rax
  mov    (%rax),%rdx
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rcx
  mov    -0x20(%rbp),%rax
  add    %rcx,%rax
  mov    (%rax),%rsi
  mov    -0x28(%rbp),%rax
  mov    (%rax),%rax
  mov    -0x2c(%rbp),%ecx
  mov    %rax,%rdi
  call   <galois_region_xor@plt>
  addl   $0x1,-0x4(%rbp)
L27:
  mov    -0x4(%rbp),%eax
  cmp    -0x14(%rbp),%eax
  jl     L40
  mov    -0x14(%rbp),%eax
  cltq
  shl    $0x3,%rax
  lea    -0x8(%rax),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x28(%rbp),%rax
  add    $0x8,%rax
  mov    (%rax),%rax
  mov    -0x2c(%rbp),%edx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <memcpy@plt>
  mov    -0x14(%rbp),%eax
  sub    $0x2,%eax
  mov    %eax,-0x4(%rbp)
  jmp    L33
L21:
  cmpl   $0x20,-0x18(%rbp)
  je     L84
  cmpl   $0x20,-0x18(%rbp)
  jg     L38
  cmpl   $0x8,-0x18(%rbp)
  je     L95
  cmpl   $0x10,-0x18(%rbp)
  je     L115
  jmp    L38
L95:
  mov    -0x28(%rbp),%rax
  add    $0x8,%rax
  mov    (%rax),%rax
  mov    -0x2c(%rbp),%edx
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <reed_sol_galois_w08_region_multby_2@plt>
  jmp    L44
L115:
  mov    -0x28(%rbp),%rax
  add    $0x8,%rax
  mov    (%rax),%rax
  mov    -0x2c(%rbp),%edx
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <reed_sol_galois_w16_region_multby_2@plt>
  jmp    L44
L84:
  mov    -0x28(%rbp),%rax
  add    $0x8,%rax
  mov    (%rax),%rax
  mov    -0x2c(%rbp),%edx
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <reed_sol_galois_w32_region_multby_2@plt>
  jmp    L44
L38:
  mov    $0x0,%eax
  jmp    L32
L44:
  mov    -0x28(%rbp),%rax
  add    $0x8,%rax
  mov    (%rax),%rdx
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rcx
  mov    -0x20(%rbp),%rax
  add    %rcx,%rax
  mov    (%rax),%rsi
  mov    -0x28(%rbp),%rax
  add    $0x8,%rax
  mov    (%rax),%rax
  mov    -0x2c(%rbp),%ecx
  mov    %rax,%rdi
  call   <galois_region_xor@plt>
  subl   $0x1,-0x4(%rbp)
L33:
  cmpl   $0x0,-0x4(%rbp)
  jns    L21
  mov    $0x1,%eax
L32:
  leave
  ret
```

assistant: ```c
int reed_sol_r6_encode(int k, int w, char **data_ptrs, char **coding_ptrs, int size) {
  int i;
  memcpy(coding_ptrs[0], data_ptrs[0], size);
  for (i = 1; i < k; i++)
    galois_region_xor(coding_ptrs[0], data_ptrs[i], coding_ptrs[0], size);
  memcpy(coding_ptrs[1], data_ptrs[k - 1], size);
  for (i = k - 2; i >= 0; i--) {
    switch (w) {
    case 8:
      reed_sol_galois_w08_region_multby_2(coding_ptrs[1], size);
      break;
    case 16:
      reed_sol_galois_w16_region_multby_2(coding_ptrs[1], size);
      break;
    case 32:
      reed_sol_galois_w32_region_multby_2(coding_ptrs[1], size);
      break;
    default:
      return 0;
    }
    galois_region_xor(coding_ptrs[1], data_ptrs[i], coding_ptrs[1], size);
  }
  return 1;
}
```