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

```asm
<hex_dec>:
  endbr64
  push   %rbx
  lea    D18(%rip),%rdi
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x2(%rsp),%rbx
  mov    %rbx,%rsi
  call   <scanf@plt>
  mov    %rbx,%rdx
  lea    0x9(%rsp),%rsi
  lea    D5(%rip),%rcx
  nopl   0x0(%rax)
L68:
  movzbl (%rdx),%eax
  sub    $0x30,%eax
  cmp    $0x36,%al
  ja     L285
  movzbl %al,%eax
  movslq (%rcx,%rax,4),%rax
  add    %rcx,%rax
  notrack jmp *%rax
  nopw   0x0(%rax,%rax,1)
  movb   $0x0,(%rdx)
  nopl   0x0(%rax,%rax,1)
L285:
  add    $0x1,%rdx
  cmp    %rdx,%rsi
  jne    L68
  nopl   0x0(%rax)
L200:
  movsbl 0x7(%rsp),%ecx
  movsbl 0x8(%rsp),%eax
  lea    D1(%rip),%rdi
  movsbl 0x5(%rsp),%edx
  movsbl 0x3(%rsp),%esi
  shl    $0x4,%ecx
  shl    $0x4,%edx
  add    %eax,%ecx
  movsbl 0x6(%rsp),%eax
  shl    $0x4,%esi
  add    %eax,%edx
  movsbl 0x4(%rsp),%eax
  add    %eax,%esi
  call   <printf@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L235
  add    $0x10,%rsp
  pop    %rbx
  ret
  nopl   0x0(%rax,%rax,1)
  movb   $0xf,(%rdx)
  add    $0x1,%rdx
  cmp    %rdx,%rsi
  jne    L68
  jmp    L200
  nopw   0x0(%rax,%rax,1)
  movb   $0xe,(%rdx)
  add    $0x1,%rdx
  cmp    %rdx,%rsi
  jne    L68
  jmp    L200
  nopl   (%rax)
  movb   $0xd,(%rdx)
  add    $0x1,%rdx
  cmp    %rdx,%rsi
  jne    L68
  jmp    L200
  nopl   (%rax)
  movb   $0xc,(%rdx)
  add    $0x1,%rdx
  cmp    %rdx,%rsi
  jne    L68
  jmp    L200
  nopl   (%rax)
  movb   $0xb,(%rdx)
  add    $0x1,%rdx
  cmp    %rdx,%rsi
  jne    L68
  jmp    L200
  nopl   (%rax)
  movb   $0xa,(%rdx)
  add    $0x1,%rdx
  cmp    %rdx,%rsi
  jne    L68
  jmp    L200
  nopl   (%rax)
  movb   $0x9,(%rdx)
  add    $0x1,%rdx
  cmp    %rdx,%rsi
  jne    L68
  jmp    L200
  nopl   (%rax)
  movb   $0x8,(%rdx)
  add    $0x1,%rdx
  cmp    %rdx,%rsi
  jne    L68
  jmp    L200
  nopl   (%rax)
  movb   $0x7,(%rdx)
  add    $0x1,%rdx
  cmp    %rdx,%rsi
  jne    L68
  jmp    L200
  nopl   (%rax)
  movb   $0x6,(%rdx)
  add    $0x1,%rdx
  cmp    %rdx,%rsi
  jne    L68
  jmp    L200
  nopl   (%rax)
  movb   $0x5,(%rdx)
  add    $0x1,%rdx
  cmp    %rdx,%rsi
  jne    L68
  jmp    L200
  nopl   (%rax)
  movb   $0x4,(%rdx)
  add    $0x1,%rdx
  cmp    %rdx,%rsi
  jne    L68
  jmp    L200
  nopl   (%rax)
  movb   $0x3,(%rdx)
  add    $0x1,%rdx
  cmp    %rdx,%rsi
  jne    L68
  jmp    L200
  nopl   (%rax)
  movb   $0x2,(%rdx)
  add    $0x1,%rdx
  cmp    %rdx,%rsi
  jne    L68
  jmp    L200
  nopl   (%rax)
  movb   $0x1,(%rdx)
  add    $0x1,%rdx
  cmp    %rdx,%rsi
  jne    L68
  jmp    L200
L235:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: data_label: D18
data_type: string
name: retrieve_data
arguments: data_label: D1
data_type: string

tool: D18: %s

tool: D1: rgb(%d, %d, %d)

assistant: ```c
void hex_dec() {
  int i = 0, r, g, b;
  char momo[6];
  scanf("%s", momo);
  for (i = 0; i <= 6; i++) {
    switch (momo[i]) {
    case '0':
      momo[i] = 0;
      break;
    case '1':
      momo[i] = 1;
      break;
    case '2':
      momo[i] = 2;
      break;
    case '3':
      momo[i] = 3;
      break;
    case '4':
      momo[i] = 4;
      break;
    case '5':
      momo[i] = 5;
      break;
    case '6':
      momo[i] = 6;
      break;
    case '7':
      momo[i] = 7;
      break;
    case '8':
      momo[i] = 8;
      break;
    case '9':
      momo[i] = 9;
      break;
    case 'a':
      momo[i] = 10;
      break;
    case 'b':
      momo[i] = 11;
      break;
    case 'c':
      momo[i] = 12;
      break;
    case 'd':
      momo[i] = 13;
      break;
    case 'e':
      momo[i] = 14;
      break;
    case 'f':
      momo[i] = 15;
      break;
    }
  }
  r = (momo[1] * 16) + momo[2];
  g = (momo[3] * 16) + momo[4];
  b = (momo[5] * 16) + momo[6];
  printf("rgb(%d, %d, %d)", r, g, b);
}
```