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

```asm
<tcpdump>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x38,%rsp
  mov    %esi,0x4(%rsp)
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  xor    %eax,%eax
  test   %esi,%esi
  je     L9
  lea    0x10(%rsp),%rax
  mov    %rdi,%rbp
  lea    0x20(%rsp),%r12
  xor    %ebx,%ebx
  mov    %rax,0x8(%rsp)
  lea    D20(%rip),%r15
  nopl   0x0(%rax)
L170:
  mov    %ebx,%r13d
  and    $0xf,%r13d
  jne    L171
  test   %ebx,%ebx
  jne    L156
L143:
  mov    %ebx,%esi
  lea    D19(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
L171:
  movzbl 0x1(%rbp),%edx
  movzbl 0x0(%rbp),%esi
  mov    %r15,%rdi
  xor    %eax,%eax
  call   <printf@plt>
  movzbl 0x0(%rbp),%edi
  mov    %edi,%r14d
  call   <isprint@plt>
  test   %eax,%eax
  je     L146
  cmp    $0x1f,%r14b
  ja     L38
L146:
  mov    $0x2e,%r14d
L38:
  movzbl 0x1(%rbp),%edi
  mov    %r13d,%r13d
  mov    %r14b,0x10(%rsp,%r13,1)
  mov    %edi,%r13d
  call   <isprint@plt>
  mov    %eax,%r8d
  lea    0x1(%rbx),%eax
  and    $0xf,%eax
  test   %r8d,%r8d
  je     L6
  cmp    $0x1f,%r13b
  ja     L81
L6:
  movb   $0x2e,0x10(%rsp,%rax,1)
  add    $0x2,%rbp
  add    $0x2,%ebx
  cmp    %ebx,0x4(%rsp)
  ja     L170
L20:
  mov    %ebx,%ebp
  and    $0xf,%ebp
  testb  $0x1,0x4(%rsp)
  je     L154
  lea    D38(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
L154:
  lea    D15(%rip),%r13
  test   %ebp,%ebp
  je     L148
  cs nopw 0x0(%rax,%rax,1)
L145:
  mov    %r13,%rdi
  xor    %eax,%eax
  mov    %ebp,%ebp
  call   <printf@plt>
  lea    0x1(%rbx),%eax
  add    $0x2,%ebx
  movb   $0x20,0x10(%rsp,%rbp,1)
  and    $0xf,%eax
  mov    %ebx,%ebp
  movb   $0x20,0x10(%rsp,%rax,1)
  and    $0xf,%ebp
  jne    L145
L148:
  mov    0x8(%rsp),%rbx
  nopl   0x0(%rax,%rax,1)
L24:
  movsbl (%rbx),%edi
  add    $0x1,%rbx
  call   <putchar@plt>
  cmp    %rbx,%r12
  jne    L24
  mov    0x28(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L125
  add    $0x38,%rsp
  mov    $0xa,%edi
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    1080 <putchar@plt>
  nopl   0x0(%rax)
L81:
  mov    %r13b,0x10(%rsp,%rax,1)
  add    $0x2,%rbp
  add    $0x2,%ebx
  cmp    %ebx,0x4(%rsp)
  ja     L170
  jmp    L20
  nopl   0x0(%rax,%rax,1)
L156:
  mov    0x8(%rsp),%r14
  nopl   (%rax)
L90:
  movsbl (%r14),%edi
  add    $0x1,%r14
  call   <putchar@plt>
  cmp    %r14,%r12
  jne    L90
  jmp    L143
L9:
  lea    0x10(%rsp),%rax
  lea    0x20(%rsp),%r12
  mov    %rax,0x8(%rsp)
  jmp    L148
L125:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: parse_data
arguments: data_tag: D20
type: string
name: parse_data
arguments: data_tag: D19
type: string
name: parse_data
arguments: data_tag: D38
type: string
name: parse_data
arguments: data_tag: D15
type: string

tool: D20: %2.2X%2.2X 

tool: D19: 
0x%4.4X	

tool: D38:    

tool: D15:      

assistant: ```c
void tcpdump(buffer, len) unsigned char *buffer;
unsigned int len;
{
  register unsigned char *bufptr;
  unsigned int zipper;
  int x;
  char bleh[16];
  bufptr = buffer;
  for (zipper = 0; zipper < len; zipper++) {
    if (!(zipper & 0x0f)) {
      if (zipper) {
        for (x = 0; x < 16; x++) {
          putchar(bleh[x]);
        }
      }
      printf("\n0x%4.4X\t", zipper);
    }
    printf("%2.2X%2.2X ", (bufptr[0] & 0xff), (bufptr[1] & 0xff));
    if (isprint(bufptr[0]) && (bufptr[0] > 31)) {
      bleh[zipper & 0x0f] = bufptr[0];
    } else {
      bleh[zipper & 0x0f] = '.';
    }
    bufptr++;
    zipper++;
    if (isprint(bufptr[0]) && (bufptr[0] > 31)) {
      bleh[zipper & 0x0f] = bufptr[0];
    } else {
      bleh[zipper & 0x0f] = '.';
    }
    bufptr++;
  }
  if ((len & 0x01) == 0x01) {
    printf("\b\b\b   ");
  }
  while ((zipper & 0x0f)) {
    printf("     ");
    bleh[zipper & 0x0f] = ' ';
    zipper++;
    bleh[zipper & 0x0f] = ' ';
    zipper++;
  }
  for (x = 0; x < 16; x++) {
    putchar(bleh[x]);
  }
  putchar('\n');
}
```