user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<read_command>:
  endbr64
  push   %r13
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  mov    %rsi,%rbp
  mov    $0x3e8,%esi
  push   %rbx
  sub    $0x7e8,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x7d8(%rsp)
  xor    %eax,%eax
  mov    %rsp,%r13
  mov    %r13,%rdi
  call   <fgets@plt>
  test   %rax,%rax
  je     L98
  mov    %r12,%rdx
  lea    D6(%rip),%rsi
  mov    %r13,%rdi
  call   <sscanf@plt>
  movzbl (%rsp),%eax
  cmp    $0x20,%al
  je     L193
  cmp    $0x9,%al
  jne    L205
L193:
  mov    $0x1,%edx
  nopw   0x0(%rax,%rax,1)
L166:
  movzbl 0x0(%r13,%rdx,1),%eax
  mov    %edx,%ecx
  add    $0x1,%rdx
  cmp    $0x20,%al
  je     L166
  cmp    $0x9,%al
  je     L166
L209:
  lea    -0x9(%rax),%edx
  cmp    $0x1,%dl
  jbe    L190
  test   $0xdf,%al
  je     L190
  movslq %ecx,%r8
  mov    $0x1,%edx
  add    %r13,%r8
  jmp    L276
  nopl   (%rax)
L136:
  test   $0xdf,%al
  je     L100
L276:
  mov    %al,-0x1(%r12,%rdx,1)
  movzbl (%r8,%rdx,1),%eax
  lea    (%rcx,%rdx,1),%ebx
  movslq %edx,%rdi
  add    $0x1,%rdx
  lea    -0x9(%rax),%esi
  cmp    $0x1,%sil
  ja     L136
L100:
  add    %rdi,%r12
L2:
  movb   $0x0,(%r12)
  cmp    $0xa,%al
  je     L9
  xor    %r12d,%r12d
  test   %al,%al
  je     L9
  nopl   0x0(%rax)
L210:
  cmp    $0x20,%al
  je     L75
  mov    %ebx,%ecx
  cmp    $0x9,%al
  jne    L45
L75:
  lea    0x1(%rbx),%edx
  movslq %edx,%rdx
  nopl   0x0(%rax,%rax,1)
L28:
  movzbl 0x0(%r13,%rdx,1),%eax
  mov    %edx,%ecx
  add    $0x1,%rdx
  cmp    $0x20,%al
  je     L28
  cmp    $0x9,%al
  je     L28
L45:
  lea    -0x9(%rax),%edx
  cmp    $0x1,%dl
  jbe    L44
  test   $0xdf,%al
  je     L44
  movslq %ecx,%r8
  mov    $0x1,%edx
  lea    0x3ef(%rsp),%r9
  add    %r13,%r8
  jmp    L95
  nopl   (%rax)
L194:
  lea    -0x9(%rax),%esi
  cmp    $0x1,%sil
  jbe    L284
L95:
  mov    %al,(%r9,%rdx,1)
  movzbl (%r8,%rdx,1),%eax
  lea    (%rcx,%rdx,1),%ebx
  movslq %edx,%rdi
  add    $0x1,%rdx
  test   $0xdf,%al
  jne    L194
L284:
  movb   $0x0,0x3f0(%rsp,%rdi,1)
  cmpb   $0x0,0x3f0(%rsp)
  jne    L83
L108:
  test   %al,%al
  je     L111
  cmp    $0xa,%al
  jne    L210
L111:
  mov    0x7d8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L88
  add    $0x7e8,%rsp
  mov    %r12d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopw   0x0(%rax,%rax,1)
L83:
  mov    $0x3e8,%edi
  call   <malloc@plt>
  lea    0x3f0(%rsp),%rsi
  mov    %rax,%rdi
  movslq %r12d,%rax
  add    $0x1,%r12d
  mov    %rdi,0x0(%rbp,%rax,8)
  call   <strcpy@plt>
  movslq %ebx,%rax
  movzbl (%rsp,%rax,1),%eax
  jmp    L108
  nopw   0x0(%rax,%rax,1)
L44:
  mov    %ecx,%ebx
  xor    %edi,%edi
  jmp    L284
L205:
  xor    %ecx,%ecx
  jmp    L209
L190:
  mov    %ecx,%ebx
  jmp    L2
L9:
  xor    %r12d,%r12d
  jmp    L111
L98:
  mov    $0xffffffff,%r12d
  jmp    L111
L88:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: data_tag: D6
type: string

tool: D6: %s

assistant: ```c
int read_command(char *command, char *args[], FILE *stream) {
  char cmdline[1000];
  int i, j = 0, k = 0;
  char *ret;
  int cnt = 0;
  char temp[1000];
  ret = fgets(cmdline, 1000, stream);
  if (ret == 0)
    return -1;
  sscanf(cmdline, "%s", command);
  i = 0;
  while (cmdline[i] == ' ' || cmdline[i] == '\t')
    i++;
  while (cmdline[i] != '\0' && cmdline[i] != '\n' && cmdline[i] != ' ' && cmdline[i] != '\t')
    command[k++] = cmdline[i++];
  command[k] = '\0';
  while (cmdline[i] != '\0' && cmdline[i] != '\n') {
    k = 0;
    while (cmdline[i] == ' ' || cmdline[i] == '\t')
      i++;
    while (cmdline[i] != ' ' && cmdline[i] != '\t' && cmdline[i] != '\0' && cmdline[i] != '\n')
      temp[k++] = cmdline[i++];
    temp[k] = '\0';
    if (strlen(temp)) {
      args[j] = (char *)malloc(sizeof(temp));
      strcpy(args[j++], temp);
      cnt++;
    }
  }
  return cnt;
}
```