user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<TK_SplitLine>:
  endbr64
  movzbl (%rdi),%edx
  lea    D41(%rip),%rsi
  test   %dl,%dl
  je     L39
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rax
  lea    D26(%rip),%rdi
  lea    D35(%rip),%r9
  mov    $0x9,%ebp
  mov    $0xd,%ebx
  mov    $0xa,%r11d
  mov    $0x8,%r10d
  jmp    L143
L181:
  movzbl (%rax),%edx
  test   %dl,%dl
  je     L118
  cmp    $0x20,%dl
  jg     L118
L121:
  add    $0x1,%rax
  movzbl (%rax),%edx
  test   %dl,%dl
  je     L118
  cmp    $0x20,%dl
  jle    L121
  jmp    L118
L2:
  lea    0x1(%rax),%r12
  movzbl 0x1(%rax),%edx
  test   %dl,%dl
  je     L122
  cmp    $0x22,%dl
  je     L122
  lea    0x1(%rdi),%rcx
  mov    %r12,%rax
  jmp    L253
L256:
  movzbl 0x1(%rax),%edx
  lea    -0x5c(%rdx),%r8d
  cmp    $0x18,%r8b
  ja     L56
  movzbl %r8b,%r8d
  movslq (%r9,%r8,4),%r8
  add    %r9,%r8
  notrack jmp *%r8
  add    $0x2,%rax
  mov    %rcx,%r8
  mov    %r10d,%edx
L0:
  mov    %dl,-0x1(%rcx)
  movzbl (%rax),%edx
  add    $0x1,%rcx
  test   %dl,%dl
  je     L142
  cmp    $0x22,%dl
  je     L142
L253:
  cmp    $0x5c,%dl
  je     L256
  add    $0x1,%rax
  mov    %rcx,%r8
  jmp    L0
  add    $0x2,%rax
  mov    %rcx,%r8
  mov    %r11d,%edx
  jmp    L0
  add    $0x2,%rax
  mov    %rcx,%r8
  mov    %ebx,%edx
  jmp    L0
  add    $0x2,%rax
  mov    %rcx,%r8
  mov    %ebp,%edx
  jmp    L0
  add    $0x2,%rax
  mov    %rcx,%r8
  jmp    L0
L56:
  add    $0x2,%rax
  mov    %rcx,%r8
  jmp    L0
L122:
  mov    %rdi,%r8
  mov    %r12,%rax
L142:
  movb   $0x0,(%r8)
  mov    %rdi,(%rsi)
  lea    0x1(%r8),%rdi
  lea    0x8(%rsi),%rsi
  jmp    L118
L75:
  movb   $0x0,(%rdx)
  mov    %rdi,(%rsi)
  lea    0x1(%rdx),%rdi
  lea    0x8(%rsi),%rsi
L118:
  movzbl (%rax),%edx
  test   %dl,%dl
  je     L191
L143:
  cmp    $0x20,%dl
  jle    L181
  cmp    $0x22,%dl
  je     L2
  movzbl (%rax),%ecx
  mov    %rdi,%rdx
  cmp    $0x20,%cl
  jle    L75
L263:
  add    $0x1,%rax
  add    $0x1,%rdx
  mov    %cl,-0x1(%rdx)
  movzbl (%rax),%ecx
  cmp    $0x20,%cl
  jg     L263
  jmp    L75
L191:
  movq   $0x0,(%rsi)
  lea    D41(%rip),%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L39:
  movq   $0x0,(%rsi)
  lea    D41(%rip),%rax
  ret
```

assistant: ```c
char **TK_SplitLine(char *buf) {
  static char *ta[64];
  static char tb[512];
  char **a;
  char *s, *t, *t0;
  a = ta;
  s = buf;
  t = tb;
  while (*s) {
    if (*s <= ' ') {
      while (*s && *s <= ' ')
        s++;
      continue;
    }
    if (*s == '\"') {
      s++;
      t0 = t;
      while (*s && (*s != '\"')) {
        if (*s == '\\') {
          s++;
          switch (*s) {
          case 'b':
            s++;
            *t++ = '\b';
            break;
          case 'n':
            s++;
            *t++ = '\n';
            break;
          case 'r':
            s++;
            *t++ = '\r';
            break;
          case 't':
            s++;
            *t++ = '\t';
            break;
          case '\\':
            s++;
            *t++ = '\\';
            break;
          default:
            *t++ = *s++;
            break;
          }
          continue;
        }
        *t++ = *s++;
      }
      *t++ = 0;
      *a++ = t0;
      continue;
    }
    t0 = t;
    while (*s && (*s > ' ')) {
      *t++ = *s++;
    }
    *t++ = 0;
    *a++ = t0;
  }
  *a++ = ((void *)0);
  return (ta);
}
```