user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<encode_base_64>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %edx,-0x24(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %eax,-0xc(%rbp)
  mov    -0x24(%rbp),%eax
  sub    $0x1,%eax
  lea    0x3(%rax),%edx
  test   %eax,%eax
  cmovs  %edx,%eax
  sar    $0x2,%eax
  mov    %eax,-0x24(%rbp)
  movl   $0x0,-0x8(%rbp)
  jmp    L8
L33:
  cmpl   $0x2,-0xc(%rbp)
  je     L88
  cmpl   $0x2,-0xc(%rbp)
  jg     L10
  cmpl   $0x0,-0xc(%rbp)
  je     L53
  cmpl   $0x1,-0xc(%rbp)
  jne    L10
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  shl    $0x10,%eax
  mov    %eax,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  sar    $0x12,%eax
  and    $0x3f,%eax
  mov    %eax,%ecx
  mov    -0x20(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x20(%rbp)
  movslq %ecx,%rdx
  lea    D79(%rip),%rcx
  movzbl (%rdx,%rcx,1),%edx
  mov    %dl,(%rax)
  mov    -0x4(%rbp),%eax
  sar    $0xc,%eax
  and    $0x3f,%eax
  mov    %eax,%ecx
  mov    -0x20(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x20(%rbp)
  movslq %ecx,%rdx
  lea    D79(%rip),%rcx
  movzbl (%rdx,%rcx,1),%edx
  mov    %dl,(%rax)
  mov    -0x20(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x20(%rbp)
  movb   $0x3d,(%rax)
  mov    -0x20(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x20(%rbp)
  movb   $0x3d,(%rax)
  jmp    L74
L88:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  shl    $0x10,%eax
  mov    %eax,%edx
  mov    -0x18(%rbp),%rax
  add    $0x1,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  shl    $0x8,%eax
  or     %edx,%eax
  mov    %eax,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  sar    $0x12,%eax
  and    $0x3f,%eax
  mov    %eax,%ecx
  mov    -0x20(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x20(%rbp)
  movslq %ecx,%rdx
  lea    D79(%rip),%rcx
  movzbl (%rdx,%rcx,1),%edx
  mov    %dl,(%rax)
  mov    -0x4(%rbp),%eax
  sar    $0xc,%eax
  and    $0x3f,%eax
  mov    %eax,%ecx
  mov    -0x20(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x20(%rbp)
  movslq %ecx,%rdx
  lea    D79(%rip),%rcx
  movzbl (%rdx,%rcx,1),%edx
  mov    %dl,(%rax)
  mov    -0x4(%rbp),%eax
  sar    $0x6,%eax
  and    $0x3f,%eax
  mov    %eax,%ecx
  mov    -0x20(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x20(%rbp)
  movslq %ecx,%rdx
  lea    D79(%rip),%rcx
  movzbl (%rdx,%rcx,1),%edx
  mov    %dl,(%rax)
  mov    -0x20(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x20(%rbp)
  movb   $0x3d,(%rax)
  jmp    L74
L10:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  shl    $0x10,%eax
  mov    %eax,%edx
  mov    -0x18(%rbp),%rax
  add    $0x1,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  shl    $0x8,%eax
  or     %eax,%edx
  mov    -0x18(%rbp),%rax
  add    $0x2,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  or     %edx,%eax
  mov    %eax,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  sar    $0x12,%eax
  and    $0x3f,%eax
  mov    %eax,%ecx
  mov    -0x20(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x20(%rbp)
  movslq %ecx,%rdx
  lea    D79(%rip),%rcx
  movzbl (%rdx,%rcx,1),%edx
  mov    %dl,(%rax)
  mov    -0x4(%rbp),%eax
  sar    $0xc,%eax
  and    $0x3f,%eax
  mov    %eax,%ecx
  mov    -0x20(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x20(%rbp)
  movslq %ecx,%rdx
  lea    D79(%rip),%rcx
  movzbl (%rdx,%rcx,1),%edx
  mov    %dl,(%rax)
  mov    -0x4(%rbp),%eax
  sar    $0x6,%eax
  and    $0x3f,%eax
  mov    %eax,%ecx
  mov    -0x20(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x20(%rbp)
  movslq %ecx,%rdx
  lea    D79(%rip),%rcx
  movzbl (%rdx,%rcx,1),%edx
  mov    %dl,(%rax)
  mov    -0x4(%rbp),%eax
  and    $0x3f,%eax
  mov    %eax,%ecx
  mov    -0x20(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x20(%rbp)
  movslq %ecx,%rdx
  lea    D79(%rip),%rcx
  movzbl (%rdx,%rcx,1),%edx
  mov    %dl,(%rax)
  jmp    L74
L53:
  nop
L74:
  cmpl   $0x2,-0xc(%rbp)
  jle    L41
  addl   $0x1,-0x8(%rbp)
  addq   $0x3,-0x18(%rbp)
  subl   $0x3,-0xc(%rbp)
L8:
  mov    -0x8(%rbp),%eax
  cmp    -0x24(%rbp),%eax
  jl     L33
  jmp    L107
L41:
  nop
L107:
  mov    -0x20(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x20(%rbp)
  movb   $0x0,(%rax)
  nop
  leave
  ret
```

tool_calls: name: disassemble_data
arguments: data_label: D79
datatype: string

tool: D79: ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/

assistant: ```c
void encode_base_64(char *src, char *dest, int max_len) {
  static const char base64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
  int n, l, i;
  l = strlen(src);
  max_len = (max_len - 1) / 4;
  for (i = 0; i < max_len; i++, src += 3, l -= 3) {
    switch (l) {
    case 0:
      break;
    case 1:
      n = src[0] << 16;
      *dest++ = base64[(n >> 18) & 077];
      *dest++ = base64[(n >> 12) & 077];
      *dest++ = '=';
      *dest++ = '=';
      break;
    case 2:
      n = src[0] << 16 | src[1] << 8;
      *dest++ = base64[(n >> 18) & 077];
      *dest++ = base64[(n >> 12) & 077];
      *dest++ = base64[(n >> 6) & 077];
      *dest++ = '=';
      break;
    default:
      n = src[0] << 16 | src[1] << 8 | src[2];
      *dest++ = base64[(n >> 18) & 077];
      *dest++ = base64[(n >> 12) & 077];
      *dest++ = base64[(n >> 6) & 077];
      *dest++ = base64[n & 077];
    }
    if (l < 3)
      break;
  }
  *dest++ = 0;
}
```