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

```asm
<rl_internal_bitpos>:
  endbr64
  mov    %rsi,%rcx
  mov    %edx,%esi
  mov    %rdi,%rdx
  mov    %rdi,%rax
  and    $0x7,%edx
  test   %esi,%esi
  jne    L269
  mov    D26(%rip),%rdi
  xor    %r8d,%r8d
  mov    (%rdi),%rdi
  test   %rdx,%rdx
  je     L221
L9:
  xor    %r8d,%r8d
  jmp    L155
  nopl   (%rax)
L140:
  movzbl (%rax),%edx
  cmp    %rdi,%rdx
  jne    L17
  add    $0x1,%rax
  sub    $0x1,%rcx
  add    $0x8,%r8
  test   $0x7,%al
  je     L17
L155:
  test   %rcx,%rcx
  jne    L140
L30:
  xor    %edi,%edi
L237:
  shl    $0x8,%rdi
  mov    %rdi,%rdx
L66:
  mov    %rdx,%rdi
  shl    $0x8,%rdi
L162:
  shl    $0x8,%rdi
  mov    %rdi,%rdx
L52:
  mov    %rdx,%rdi
  shl    $0x8,%rdi
L106:
  shl    $0x8,%rdi
  mov    %rdi,%rdx
L79:
  mov    %rdx,%rdi
  shl    $0x8,%rdi
L157:
  cmp    $0x1,%esi
  jne    L120
  test   %rdi,%rdi
  je     L84
L120:
  mov    D19(%rip),%rax
  mov    (%rax),%rax
  shr    %rax
  not    %rax
  nopl   0x0(%rax,%rax,1)
L180:
  xor    %edx,%edx
  test   %rax,%rdi
  setne  %dl
  cmp    %esi,%edx
  je     L264
  add    $0x1,%r8
  shr    %rax
  jne    L180
  mov    $0xfffffffffffffffe,%r8
L264:
  mov    %r8,%rax
  ret
  nopl   0x0(%rax,%rax,1)
L17:
  xor    %edx,%edx
  test   %esi,%esi
  jne    L128
L221:
  mov    D19(%rip),%rdx
  mov    (%rdx),%rdx
  cmp    $0x7,%rcx
  ja     L19
  xchg   %ax,%ax
L3:
  test   %rcx,%rcx
  je     L30
  movzbl (%rax),%edi
  shl    $0x8,%rdi
  cmp    $0x1,%rcx
  je     L237
  nopw   0x0(%rax,%rax,1)
L144:
  movzbl 0x1(%rax),%edx
  or     %rdi,%rdx
  shl    $0x8,%rdx
  cmp    $0x2,%rcx
  je     L66
  movzbl 0x2(%rax),%edi
  or     %rdx,%rdi
  shl    $0x8,%rdi
  cmp    $0x3,%rcx
  je     L162
  movzbl 0x3(%rax),%edx
  or     %rdi,%rdx
  shl    $0x8,%rdx
  cmp    $0x4,%rcx
  je     L52
  movzbl 0x4(%rax),%edi
  or     %rdx,%rdi
  shl    $0x8,%rdi
  cmp    $0x5,%rcx
  je     L106
  movzbl 0x5(%rax),%edx
  or     %rdi,%rdx
  shl    $0x8,%rdx
  cmp    $0x6,%rcx
  je     L79
  movzbl 0x6(%rax),%edi
  or     %rdx,%rdi
  shl    $0x8,%rdi
  cmp    $0x7,%rcx
  je     L157
  movzbl 0x7(%rax),%eax
  or     %rax,%rdi
  jmp    L157
  nopw   0x0(%rax,%rax,1)
L12:
  add    $0x8,%rax
  sub    $0x8,%rcx
  add    $0x40,%r8
L128:
  cmp    $0x7,%rcx
  jbe    L3
L19:
  cmp    %rdx,(%rax)
  je     L12
  movzbl (%rax),%edi
  shl    $0x8,%rdi
  cmp    $0x1,%rcx
  jne    L144
  jmp    L237
  nopl   0x0(%rax)
L269:
  xor    %r8d,%r8d
  test   %rdx,%rdx
  je     L128
  xor    %edi,%edi
  jmp    L9
L84:
  mov    $0xffffffffffffffff,%r8
  jmp    L264
```

assistant: ```c
long rl_internal_bitpos(void *s, unsigned long count, int bit) {
  unsigned long *l;
  unsigned char *c;
  unsigned long skipval, word = 0, one;
  long pos = 0;
  unsigned long j;
  skipval = bit ? 0 : UCHAR_MAX;
  c = (unsigned char *)s;
  while ((unsigned long)c & (sizeof(*l) - 1) && count) {
    if (*c != skipval)
      break;
    c++;
    count--;
    pos += 8;
  }
  skipval = bit ? 0 : ULONG_MAX;
  l = (unsigned long *)c;
  while (count >= sizeof(*l)) {
    if (*l != skipval)
      break;
    l++;
    count -= sizeof(*l);
    pos += sizeof(*l) * 8;
  }
  c = (unsigned char *)l;
  for (j = 0; j < sizeof(*l); j++) {
    word <<= 8;
    if (count) {
      word |= *c;
      c++;
      count--;
    }
  }
  if (bit == 1 && word == 0)
    return -1;
  one = ULONG_MAX;
  one >>= 1;
  one = ~one;
  while (one) {
    if (((one & word) != 0) == bit)
      return pos;
    pos++;
    one >>= 1;
  }
  return -2;
}
```