user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<BaseEncode>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x28(%rbp)
  mov    %esi,-0x2c(%rbp)
  mov    %rdx,-0x38(%rbp)
  mov    %rcx,-0x40(%rbp)
  movl   $0x0,-0xc(%rbp)
  movl   $0x0,-0x8(%rbp)
  mov    -0x2c(%rbp),%eax
  mov    %eax,%edx
  mov    $0xaaaaaaab,%eax
  imul   %rdx,%rax
  shr    $0x20,%rax
  shr    %eax
  mov    %eax,-0x4(%rbp)
  movl   $0x0,-0x10(%rbp)
  jmp    L36
L19:
  mov    -0xc(%rbp),%edx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  shr    $0x2,%al
  mov    %al,-0x11(%rbp)
  movzbl -0x11(%rbp),%edx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  mov    -0x8(%rbp),%ecx
  mov    -0x38(%rbp),%rdx
  add    %rcx,%rdx
  movzbl (%rax),%eax
  mov    %al,(%rdx)
  addl   $0x1,-0x8(%rbp)
  mov    -0xc(%rbp),%edx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  shl    $0x6,%eax
  mov    %eax,%edx
  mov    -0xc(%rbp),%eax
  add    $0x1,%eax
  mov    %eax,%ecx
  mov    -0x28(%rbp),%rax
  add    %rcx,%rax
  movzbl (%rax),%eax
  shr    $0x2,%al
  or     %edx,%eax
  mov    %al,-0x11(%rbp)
  shrb   $0x2,-0x11(%rbp)
  addl   $0x1,-0xc(%rbp)
  movzbl -0x11(%rbp),%edx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  mov    -0x8(%rbp),%ecx
  mov    -0x38(%rbp),%rdx
  add    %rcx,%rdx
  movzbl (%rax),%eax
  mov    %al,(%rdx)
  addl   $0x1,-0x8(%rbp)
  mov    -0xc(%rbp),%edx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  shl    $0x4,%eax
  mov    %eax,%edx
  mov    -0xc(%rbp),%eax
  add    $0x1,%eax
  mov    %eax,%ecx
  mov    -0x28(%rbp),%rax
  add    %rcx,%rax
  movzbl (%rax),%eax
  shr    $0x4,%al
  or     %edx,%eax
  mov    %al,-0x11(%rbp)
  shrb   $0x2,-0x11(%rbp)
  addl   $0x1,-0xc(%rbp)
  movzbl -0x11(%rbp),%edx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  mov    -0x8(%rbp),%ecx
  mov    -0x38(%rbp),%rdx
  add    %rcx,%rdx
  movzbl (%rax),%eax
  mov    %al,(%rdx)
  addl   $0x1,-0x8(%rbp)
  mov    -0xc(%rbp),%edx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  shl    $0x2,%eax
  mov    %al,-0x11(%rbp)
  shrb   $0x2,-0x11(%rbp)
  addl   $0x1,-0xc(%rbp)
  movzbl -0x11(%rbp),%edx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  mov    -0x8(%rbp),%ecx
  mov    -0x38(%rbp),%rdx
  add    %rcx,%rdx
  movzbl (%rax),%eax
  mov    %al,(%rdx)
  addl   $0x1,-0x8(%rbp)
  addl   $0x1,-0x10(%rbp)
L36:
  mov    -0x10(%rbp),%eax
  cmp    -0x4(%rbp),%eax
  jb     L19
  mov    -0x4(%rbp),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %eax,%edx
  mov    -0x2c(%rbp),%eax
  sub    %edx,%eax
  cmp    $0x1,%eax
  je     L16
  cmp    $0x2,%eax
  je     L42
  jmp    L56
L16:
  mov    -0x2c(%rbp),%eax
  sub    $0x1,%eax
  mov    %eax,%edx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  shr    $0x2,%al
  mov    %al,-0x11(%rbp)
  movzbl -0x11(%rbp),%edx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  mov    -0x8(%rbp),%ecx
  mov    -0x38(%rbp),%rdx
  add    %rcx,%rdx
  movzbl (%rax),%eax
  mov    %al,(%rdx)
  addl   $0x1,-0x8(%rbp)
  mov    -0x2c(%rbp),%eax
  sub    $0x1,%eax
  mov    %eax,%edx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  shl    $0x6,%eax
  mov    %al,-0x11(%rbp)
  shrb   $0x2,-0x11(%rbp)
  movzbl -0x11(%rbp),%edx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  mov    -0x8(%rbp),%ecx
  mov    -0x38(%rbp),%rdx
  add    %rcx,%rdx
  movzbl (%rax),%eax
  mov    %al,(%rdx)
  addl   $0x1,-0x8(%rbp)
  jmp    L56
L42:
  mov    -0x2c(%rbp),%eax
  sub    $0x2,%eax
  mov    %eax,%edx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  shr    $0x2,%al
  mov    %al,-0x11(%rbp)
  movzbl -0x11(%rbp),%edx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  mov    -0x8(%rbp),%ecx
  mov    -0x38(%rbp),%rdx
  add    %rcx,%rdx
  movzbl (%rax),%eax
  mov    %al,(%rdx)
  addl   $0x1,-0x8(%rbp)
  mov    -0x2c(%rbp),%eax
  sub    $0x2,%eax
  mov    %eax,%edx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  shl    $0x6,%eax
  mov    %eax,%edx
  mov    -0x2c(%rbp),%eax
  sub    $0x1,%eax
  mov    %eax,%ecx
  mov    -0x28(%rbp),%rax
  add    %rcx,%rax
  movzbl (%rax),%eax
  shr    $0x2,%al
  or     %edx,%eax
  mov    %al,-0x11(%rbp)
  shrb   $0x2,-0x11(%rbp)
  movzbl -0x11(%rbp),%edx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  mov    -0x8(%rbp),%ecx
  mov    -0x38(%rbp),%rdx
  add    %rcx,%rdx
  movzbl (%rax),%eax
  mov    %al,(%rdx)
  addl   $0x1,-0x8(%rbp)
  mov    -0x2c(%rbp),%eax
  sub    $0x1,%eax
  mov    %eax,%edx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  shl    $0x4,%eax
  mov    %al,-0x11(%rbp)
  shrb   $0x2,-0x11(%rbp)
  movzbl -0x11(%rbp),%edx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  mov    -0x8(%rbp),%ecx
  mov    -0x38(%rbp),%rdx
  add    %rcx,%rdx
  movzbl (%rax),%eax
  mov    %al,(%rdx)
  addl   $0x1,-0x8(%rbp)
  nop
L56:
  mov    -0x8(%rbp),%eax
  pop    %rbp
  ret
```

assistant: ```c
unsigned int BaseEncode(unsigned char *hstr, unsigned int n, unsigned char *bstr, unsigned char *Bs64) {
  unsigned int i, m, c = 0, w = 0;
  unsigned char bas;
  m = (n / 3);
  for (i = 0; i < m; i++) {
    bas = (hstr[c] >> 2);
    bstr[w] = Bs64[bas];
    w++;
    bas = (hstr[c] << 6) | (hstr[c + 1] >> 2);
    bas >>= 2;
    c++;
    bstr[w] = Bs64[bas];
    w++;
    bas = (hstr[c] << 4) | (hstr[c + 1] >> 4);
    bas >>= 2;
    c++;
    bstr[w] = Bs64[bas];
    w++;
    bas = (hstr[c] << 2);
    bas >>= 2;
    c++;
    bstr[w] = Bs64[bas];
    w++;
  }
  switch (n - (m * 3)) {
  case 1:
    bas = (hstr[n - 1] >> 2);
    bstr[w] = Bs64[bas];
    w++;
    bas = (hstr[n - 1] << 6);
    bas >>= 2;
    bstr[w] = Bs64[bas];
    w++;
    break;
  case 2:
    bas = (hstr[n - 2] >> 2);
    bstr[w] = Bs64[bas];
    w++;
    bas = (hstr[n - 2] << 6) | (hstr[n - 1] >> 2);
    bas >>= 2;
    bstr[w] = Bs64[bas];
    w++;
    bas = (hstr[n - 1] << 4);
    bas >>= 2;
    bstr[w] = Bs64[bas];
    w++;
    break;
  }
  return w;
}
```