user: Demonstrate the C code that generates the assembly output below:

```asm
<check_center>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbx
  jmp    L14
L196:
  add    $0x1,%rbx
L14:
  movsbl (%rbx),%edi
  call   <iskuuhaku@plt>
  test   %rax,%rax
  jne    L196
  mov    $0x1,%eax
  cmpb   $0x0,(%rbx)
  jne    L91
L77:
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L91:
  mov    $0x4,%edx
  lea    D50(%rip),%rsi
  mov    %rbx,%rdi
  call   <str2ncmp@plt>
  lea    0x4(%rbx),%rbp
  test   %rax,%rax
  je     L134
  jmp    L89
L17:
  add    $0x1,%rbp
L134:
  movsbl 0x0(%rbp),%edi
  call   <iskuuhaku@plt>
  test   %rax,%rax
  jne    L17
  mov    $0x1,%eax
  cmpb   $0x0,0x0(%rbp)
  je     L77
L89:
  lea    D17(%rip),%rsi
  mov    %rbx,%rdi
  call   <strst2@plt>
  test   %rax,%rax
  je     L42
  lea    -0x1(%rax),%rbp
L49:
  movsbl 0x0(%rbp),%edi
  call   <iskuuhaku@plt>
  test   %rax,%rax
  je     L57
  sub    $0x1,%rbp
  jmp    L49
L57:
  movzbl 0x1(%rbp),%r12d
  movb   $0x0,0x1(%rbp)
  lea    D16(%rip),%rsi
  mov    %rbx,%rdi
  call   <strst2@plt>
  test   %rax,%rax
  je     L108
  mov    %r12b,0x1(%rbp)
  mov    $0x0,%eax
  jmp    L77
L108:
  lea    D29(%rip),%rsi
  mov    %rbx,%rdi
  call   <strst2@plt>
  test   %rax,%rax
  je     L112
  mov    %r12b,0x1(%rbp)
  mov    $0x0,%eax
  jmp    L77
L112:
  mov    %r12b,0x1(%rbp)
  mov    $0xffffffff,%eax
  jmp    L77
L42:
  mov    %rbx,%rdi
  call   <strlen@plt>
  cltq
  lea    -0x1(%rbx,%rax,1),%rbp
  jmp    L211
L102:
  sub    $0x1,%rbp
L211:
  movsbl 0x0(%rbp),%edi
  call   <iskuuhaku@plt>
  test   %rax,%rax
  jne    L102
  movzbl 0x1(%rbp),%r12d
  movb   $0x0,0x1(%rbp)
  lea    D16(%rip),%rsi
  mov    %rbx,%rdi
  call   <strst2@plt>
  test   %rax,%rax
  je     L107
  mov    %r12b,0x1(%rbp)
  mov    $0x0,%eax
  jmp    L77
L107:
  lea    D29(%rip),%rsi
  mov    %rbx,%rdi
  call   <strst2@plt>
  test   %rax,%rax
  je     L22
  mov    %r12b,0x1(%rbp)
  mov    $0x0,%eax
  jmp    L77
L22:
  mov    %r12b,0x1(%rbp)
  mov    $0xffffffff,%eax
  jmp    L77
```

tool_calls: name: read_data
arguments: data_tag: D50
type_guessed: string
name: read_data
arguments: data_tag: D17
type_guessed: string
name: read_data
arguments: data_tag: D16
type_guessed: string
name: read_data
arguments: data_tag: D29
type_guessed: string

tool: D50: void

tool: D17: ,

tool: D16:  

tool: D29: 	

assistant: ```c
int check_center(char *s) {
  char *b, *t;
  char bak;
  int naf;
  int len;
  naf = 0;
  while (iskuuhaku(*s)) {
    ++s;
  }
  if (*s == 0) {
    return 1;
  }
  if (str2ncmp(s, "void", 4) == 0) {
    t = s + 4;
    while (iskuuhaku(*t)) {
      ++t;
    }
    if (*t == 0) {
      return 1;
    }
  }
  if ((b = strst2(s, ",")) != 0) {
    t = b - 1;
    while (iskuuhaku(*t)) {
      --t;
    }
    bak = *(t + 1);
    *(t + 1) = (char)0;
    if (strst2(s, " ") || strst2(s, "\t")) {
    } else {
      naf = 1;
    }
    *(t + 1) = bak;
  } else {
    len = strlen(s);
    t = s + len - 1;
    while (iskuuhaku(*t)) {
      --t;
    }
    bak = *(t + 1);
    *(t + 1) = (char)0;
    if (strst2(s, " ") || strst2(s, "\t")) {
    } else {
      naf = 1;
    }
    *(t + 1) = bak;
  }
  if (naf) {
    return -1;
  }
  return 0;
}
```