user: 请从给定的汇编指令推导出C源代码：

```asm
<split_in_words>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  movzbl (%rdi),%eax
  test   %al,%al
  je     L17
  mov    %rdi,%rsi
  xor    %r12d,%r12d
  xor    %r13d,%r13d
  movabs $0x1000000100000201,%r9
  lea    0x0(,%r12,8),%r14
  lea    0x1(%rsi),%rbx
  cmp    $0x3e,%al
  je     L83
  nopl   0x0(%rax)
L41:
  jg     L159
  cmp    $0x3c,%al
  je     L55
  cmp    $0x3d,%al
  jne    L137
L187:
  mov    %rsi,%rbx
  jmp    L108
  nopl   0x0(%rax,%rax,1)
L103:
  test   %al,%al
  jns    L81
L108:
  movzbl 0x1(%rbx),%eax
  add    $0x1,%rbx
  cmp    $0x3c,%al
  jle    L103
  cmp    $0x3e,%al
  je     L84
  cmp    $0x7c,%al
  jne    L108
  nopl   0x0(%rax)
L84:
  mov    %rbx,%r15
  mov    %rsi,0x8(%rsp)
  sub    %rsi,%r15
  lea    0x1(%r15),%edi
  call   <xmalloc@plt>
  mov    0x8(%rsp),%rsi
  mov    %r15d,%edx
  mov    %rax,%rbp
  mov    %rax,%rdi
  call   <strncpy@plt>
  test   %rbp,%rbp
  movb   $0x0,0x0(%rbp,%r15,1)
  movabs $0x1000000100000201,%r9
  jne    L36
L102:
  movzbl (%rbx),%eax
  test   %al,%al
  je     L112
  nop
L204:
  mov    %rbx,%rsi
  lea    0x0(,%r12,8),%r14
  lea    0x1(%rsi),%rbx
  cmp    $0x3e,%al
  jne    L41
L83:
  lea    D8(%rip),%rbp
  jmp    L36
L81:
  bt     %rax,%r9
  jb     L84
  test   %al,%al
  je     L84
  jmp    L108
  nop
L137:
  cmp    $0x9,%al
  je     L102
  cmp    $0x20,%al
  jne    L187
  movzbl (%rbx),%eax
  test   %al,%al
  jne    L204
L112:
  lea    0x8(,%r12,8),%rsi
L35:
  mov    %r13,%rdi
  call   <xrealloc@plt>
  movq   $0x0,(%rax,%r14,1)
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopw   0x0(%rax,%rax,1)
L159:
  lea    D23(%rip),%rbp
  cmp    $0x7c,%al
  jne    L187
L36:
  lea    0x8(%r14),%r15
  mov    %r13,%rdi
  add    $0x1,%r12
  mov    %r15,%rsi
  call   <xrealloc@plt>
  movabs $0x1000000100000201,%r9
  mov    %rbp,(%rax,%r14,1)
  mov    %rax,%r13
  mov    %r15,%r14
  jmp    L102
  nopl   0x0(%rax,%rax,1)
L55:
  lea    D17(%rip),%rbp
  jmp    L36
L17:
  xor    %r14d,%r14d
  mov    $0x8,%esi
  xor    %r13d,%r13d
  jmp    L35
```

tool_calls: name: extract_symbolic_data
arguments: tag: D8
type_guessed: string
name: extract_symbolic_data
arguments: tag: D23
type_guessed: string
name: extract_symbolic_data
arguments: tag: D17
type_guessed: string

tool: D8: >

tool: D23: |

tool: D17: <

assistant: ```c
char **split_in_words(char *line) {
  char *cur = line;
  char **tab = 0;
  size_t l = 0;
  char c;
  while ((c = *cur) != 0) {
    char *w = 0;
    char *start;
    switch (c) {
    case ' ':
    case '\t':
      cur++;
      break;
    case '<':
      w = "<";
      cur++;
      break;
    case '>':
      w = ">";
      cur++;
      break;
    case '|':
      w = "|";
      cur++;
      break;
    default:
      start = cur;
      while (c) {
        c = *++cur;
        switch (c) {
        case 0:
        case ' ':
        case '\t':
        case '<':
        case '>':
        case '|':
          c = 0;
          break;
        default:;
        }
      }
      w = xmalloc((cur - start + 1) * sizeof(char));
      strncpy(w, start, cur - start);
      w[cur - start] = 0;
    }
    if (w) {
      tab = xrealloc(tab, (l + 1) * sizeof(char *));
      tab[l++] = w;
    }
  }
  tab = xrealloc(tab, (l + 1) * sizeof(char *));
  tab[l++] = 0;
  return tab;
}
```