user: 请将以下的汇编代码转换成C语言代码：

```asm
<append_filter_spaces>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %rdi,-0x38(%rbp)
  mov    %rsi,-0x40(%rbp)
  movl   $0x0,-0x24(%rbp)
  mov    -0x40(%rbp),%rax
  mov    %rax,%rdi
  call   <strdup@plt>
  mov    %rax,-0x10(%rbp)
  mov    -0x10(%rbp),%rax
  mov    %rax,-0x20(%rbp)
  jmp    L55
L35:
  addq   $0x1,-0x20(%rbp)
L55:
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x20,%al
  je     L35
  jmp    L98
L94:
  addq   $0x1,-0x20(%rbp)
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x20,%al
  jne    L0
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L94
L0:
  addl   $0x1,-0x24(%rbp)
L98:
  mov    -0x20(%rbp),%rax
  mov    $0x20,%esi
  mov    %rax,%rdi
  call   <strchr@plt>
  mov    %rax,-0x20(%rbp)
  cmpq   $0x0,-0x20(%rbp)
  jne    L94
  addl   $0x1,-0x24(%rbp)
  addl   $0x1,-0x24(%rbp)
  mov    -0x24(%rbp),%eax
  cltq
  shl    $0x3,%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  jne    L31
  lea    D3(%rip),%rax
  mov    %rax,%rdi
  call   <fatal_error@plt>
L31:
  movl   $0x0,-0x24(%rbp)
  mov    -0x10(%rbp),%rax
  mov    %rax,-0x20(%rbp)
  jmp    L16
L81:
  mov    -0x18(%rbp),%rax
  movb   $0x0,(%rax)
  mov    -0x24(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    %edx,-0x24(%rbp)
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x8(%rbp),%rax
  add    %rax,%rdx
  mov    -0x20(%rbp),%rax
  mov    %rax,(%rdx)
L48:
  addq   $0x1,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x20,%al
  jne    L21
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L48
L21:
  mov    -0x18(%rbp),%rax
  mov    %rax,-0x20(%rbp)
L16:
  mov    -0x20(%rbp),%rax
  mov    $0x20,%esi
  mov    %rax,%rdi
  call   <strchr@plt>
  mov    %rax,-0x18(%rbp)
  cmpq   $0x0,-0x18(%rbp)
  jne    L81
  mov    -0x24(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    %edx,-0x24(%rbp)
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x8(%rbp),%rax
  add    %rax,%rdx
  mov    -0x20(%rbp),%rax
  mov    %rax,(%rdx)
  mov    -0x24(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  movq   $0x0,(%rax)
  mov    -0x8(%rbp),%rdx
  mov    -0x38(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <append_filter@plt>
  leave
  ret
```

tool_calls: name: extract_symbolic_data
arguments: label: D3
datatype: string

tool: D3: Cannot allocate

assistant: ```c
struct filter *append_filter_spaces(struct filter *f, const char *arg) {
  int spaces = 0;
  char **args;
  char *tmp = strdup(arg);
  char *pos = tmp;
  char *nextpos;
  while (*pos == ' ')
    ++pos;
  while ((pos = strchr(pos, ' ')) != 0) {
    do
      ++pos;
    while (*pos == ' ' && *pos != '\0');
    ++spaces;
  }
  ++spaces;
  ++spaces;
  args = malloc(sizeof(*args) * spaces);
  if (!args)
    fatal_error("Cannot allocate");
  spaces = 0;
  pos = tmp;
  while ((nextpos = strchr(pos, ' ')) != 0) {
    *nextpos = '\0';
    args[spaces++] = pos;
    do
      ++nextpos;
    while (*nextpos == ' ' && *pos != '\0');
    pos = nextpos;
  }
  args[spaces++] = pos;
  args[spaces] = 0;
  return append_filter(f, args);
}
```