user: What would the C source look like for the assembly code provided here:

```asm
<inet_pton6>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x48,%rsp
  mov    %rdi,%rbx
  mov    %rsi,0x18(%rsp)
  mov    %fs:0x28,%rax
  mov    %rax,0x38(%rsp)
  xor    %eax,%eax
  lea    0x20(%rsp),%rdi
  mov    $0x10,%edx
  mov    $0x0,%esi
  call   <memset@plt>
  cmpb   $0x3a,(%rbx)
  je     L180
L183:
  lea    0x1(%rbx),%r14
  movsbl (%rbx),%r12d
  test   %r12d,%r12d
  je     L261
  movl   $0x0,0x4(%rsp)
  mov    $0x0,%ebp
  movq   $0x0,0x8(%rsp)
  lea    0x20(%rsp),%r15
  lea    D26(%rip),%r13
  lea    0x30(%rsp),%rax
  mov    %rax,0x10(%rsp)
L197:
  mov    %r12d,%esi
  mov    %r13,%rdi
  call   <strchr@plt>
  mov    %r13,%rdx
  test   %rax,%rax
  je     L35
L87:
  add    $0x1,%ebp
  cmp    $0x4,%ebp
  jle    L233
  mov    $0x0,%ebp
L133:
  mov    0x38(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L208
  mov    %ebp,%eax
  add    $0x48,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L180:
  mov    $0x0,%ebp
  cmpb   $0x3a,0x1(%rbx)
  jne    L133
  add    $0x1,%rbx
  jmp    L183
L35:
  mov    %r12d,%esi
  lea    D21(%rip),%rdi
  call   <strchr@plt>
  test   %rax,%rax
  jne    L36
  cmp    $0x3a,%r12d
  jne    L181
  test   %ebp,%ebp
  jne    L113
  cmpq   $0x0,0x8(%rsp)
  jne    L133
  mov    %r14,%rbx
  mov    %r15,0x8(%rsp)
  jmp    L277
L36:
  lea    D21(%rip),%rdx
  jmp    L87
L113:
  lea    0x2(%r15),%rax
  cmp    %rax,0x10(%rsp)
  jae    L119
  mov    $0x0,%ebp
  jmp    L133
L119:
  mov    0x4(%rsp),%eax
  movzbl %ah,%ecx
  mov    %cl,(%r15)
  mov    %al,0x1(%r15)
  mov    %r14,%rbx
  lea    0x2(%r15),%r15
  movl   $0x0,0x4(%rsp)
  mov    $0x0,%ebp
  jmp    L277
L181:
  mov    $0x0,%ebp
  cmp    $0x2e,%r12d
  jne    L133
  lea    0x4(%r15),%r12
  lea    0x30(%rsp),%rax
  cmp    %rax,%r12
  ja     L133
  mov    %r15,%rsi
  mov    %rbx,%rdi
  call   <inet_pton4@plt>
  test   %rax,%rax
  jg     L134
  jmp    L133
L233:
  mov    0x4(%rsp),%ecx
  shl    $0x4,%ecx
  sub    %rdx,%rax
  or     %eax,%ecx
  mov    %ecx,0x4(%rsp)
L277:
  add    $0x1,%r14
  movsbl -0x1(%r14),%r12d
  test   %r12d,%r12d
  jne    L197
  test   %ebp,%ebp
  je     L188
  lea    0x30(%rsp),%rdx
  lea    0x2(%r15),%rax
  mov    %r12d,%ebp
  cmp    %rax,%rdx
  jb     L133
  mov    0x4(%rsp),%eax
  movzbl %ah,%ecx
  mov    %cl,(%r15)
  lea    0x2(%r15),%r12
  mov    %al,0x1(%r15)
L134:
  mov    0x8(%rsp),%rdx
  test   %rdx,%rdx
  je     L172
  mov    %r12,%rcx
  mov    %rdx,%rbx
  sub    %rdx,%rcx
  lea    0x30(%rsp),%rax
  cmp    %rax,%r12
  je     L173
  test   %ecx,%ecx
  jle    L230
  movslq %ecx,%rsi
  lea    -0x1(%rdx,%rsi,1),%rax
  lea    0x2f(%rsp),%rdx
  lea    -0x2(%rbx,%rsi,1),%rsi
  lea    -0x1(%rcx),%ecx
  sub    %rcx,%rsi
L255:
  movzbl (%rax),%ecx
  mov    %cl,(%rdx)
  movb   $0x0,(%rax)
  sub    $0x1,%rax
  sub    $0x1,%rdx
  cmp    %rsi,%rax
  jne    L255
L230:
  lea    0x20(%rsp),%rsi
  mov    $0x10,%edx
  mov    0x18(%rsp),%rdi
  call   <memcpy@plt>
  mov    $0x1,%ebp
  jmp    L133
L188:
  mov    %r15,%r12
  jmp    L134
L172:
  lea    0x30(%rsp),%rax
  cmp    %rax,%r12
  je     L230
  mov    $0x0,%ebp
  jmp    L133
L261:
  mov    %r12d,%ebp
  jmp    L133
L173:
  mov    $0x0,%ebp
  jmp    L133
L208:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: data_label: D26
type: string
name: unpack_data
arguments: data_label: D21
type: string

tool: D26: 0123456789abcdef

tool: D21: 0123456789ABCDEF

assistant: ```c
int inet_pton6(const char *src, unsigned char *dst) {
  static const char xdigits_l[] = "0123456789abcdef";
  static const char xdigits_u[] = "0123456789ABCDEF";
  unsigned char tmp[16];
  unsigned char *tp = tmp;
  unsigned char *endp = NULL;
  unsigned char *colonp = NULL;
  int ch = 0;
  int seen_xdigits = 0;
  unsigned int val = 0;
  const char *xdigits;
  const char *curtok;
  memset(tp, '\0', 16);
  endp = tp + 16;
  if (*src == ':') {
    if (*++src != ':') {
      return (0);
    }
  }
  curtok = src;
  seen_xdigits = 0;
  val = 0;
  while ((ch = *src++) != '\0') {
    const char *pch;
    if ((pch = strchr((xdigits = xdigits_l), ch)) == NULL) {
      pch = strchr((xdigits = xdigits_u), ch);
    }
    if (pch != NULL) {
      val <<= 4;
      val |= (pch - xdigits);
      if (++seen_xdigits > 4) {
        return (0);
      }
      continue;
    }
    if (ch == ':') {
      curtok = src;
      if (!seen_xdigits) {
        if (colonp) {
          return (0);
        }
        colonp = tp;
        continue;
      }
      if (tp + 2 > endp) {
        return (0);
      }
      *tp++ = (unsigned char)(val >> 8) & 0xff;
      *tp++ = (unsigned char)val & 0xff;
      seen_xdigits = 0;
      val = 0;
      continue;
    }
    if (ch == '.' && ((tp + 4) <= endp) && inet_pton4(curtok, tp) > 0) {
      tp += 4;
      seen_xdigits = 0;
      break;
    }
    return (0);
  }
  if (seen_xdigits) {
    if (tp + 2 > endp) {
      return (0);
    }
    *tp++ = (unsigned char)(val >> 8) & 0xff;
    *tp++ = (unsigned char)val & 0xff;
  }
  if (colonp != NULL) {
    const int n = tp - colonp;
    int i = 0;
    if (tp == endp) {
      return (0);
    }
    for (i = 1; i <= n; i++) {
      endp[-i] = colonp[n - i];
      colonp[n - i] = 0;
    }
    tp = endp;
  }
  if (tp != endp) {
    return (0);
  }
  memcpy(dst, tmp, 16);
  return (1);
}
```