user: 这段汇编代码用C语言表示是什么样的：

```asm
<af_fmt2str>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %edi,-0x14(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %edx,-0x18(%rbp)
  movl   $0x0,-0x4(%rbp)
  cmpl   $0x0,-0x18(%rbp)
  jg     L271
  mov    $0x0,%eax
  jmp    L91
L271:
  subl   $0x1,-0x18(%rbp)
  mov    -0x14(%rbp),%eax
  and    $0x1,%eax
  test   %eax,%eax
  je     L194
  mov    -0x18(%rbp),%eax
  sub    -0x4(%rbp),%eax
  mov    %eax,%ecx
  mov    -0x20(%rbp),%rax
  lea    D41(%rip),%rdx
  mov    %ecx,%esi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <snprintf@plt>
  mov    %eax,%edx
  mov    -0x4(%rbp),%eax
  add    %edx,%eax
  mov    %eax,-0x4(%rbp)
  jmp    L121
L194:
  mov    -0x18(%rbp),%eax
  sub    -0x4(%rbp),%eax
  mov    %eax,%ecx
  mov    -0x20(%rbp),%rax
  lea    D50(%rip),%rdx
  mov    %ecx,%esi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <snprintf@plt>
  mov    %eax,%edx
  mov    -0x4(%rbp),%eax
  add    %edx,%eax
  mov    %eax,-0x4(%rbp)
L121:
  mov    -0x14(%rbp),%eax
  and    $0x1c0,%eax
  test   %eax,%eax
  je     L6
  mov    -0x14(%rbp),%eax
  and    $0x1c0,%eax
  cmp    $0x180,%eax
  je     L84
  cmp    $0x180,%eax
  jg     L210
  cmp    $0x140,%eax
  je     L186
  cmp    $0x140,%eax
  jg     L210
  cmp    $0x100,%eax
  je     L42
  cmp    $0x100,%eax
  jg     L210
  cmp    $0xc0,%eax
  je     L154
  cmp    $0xc0,%eax
  jg     L210
  cmp    $0x40,%eax
  je     L96
  cmp    $0x80,%eax
  je     L39
  jmp    L210
L96:
  mov    -0x18(%rbp),%eax
  sub    -0x4(%rbp),%eax
  mov    -0x4(%rbp),%edx
  movslq %edx,%rcx
  mov    -0x20(%rbp),%rdx
  add    %rdx,%rcx
  lea    D63(%rip),%rdx
  mov    %eax,%esi
  mov    %rcx,%rdi
  mov    $0x0,%eax
  call   <snprintf@plt>
  mov    %eax,%edx
  mov    -0x4(%rbp),%eax
  add    %edx,%eax
  mov    %eax,-0x4(%rbp)
  jmp    L279
L39:
  mov    -0x18(%rbp),%eax
  sub    -0x4(%rbp),%eax
  mov    -0x4(%rbp),%edx
  movslq %edx,%rcx
  mov    -0x20(%rbp),%rdx
  add    %rdx,%rcx
  lea    D35(%rip),%rdx
  mov    %eax,%esi
  mov    %rcx,%rdi
  mov    $0x0,%eax
  call   <snprintf@plt>
  mov    %eax,%edx
  mov    -0x4(%rbp),%eax
  add    %edx,%eax
  mov    %eax,-0x4(%rbp)
  jmp    L279
L154:
  mov    -0x18(%rbp),%eax
  sub    -0x4(%rbp),%eax
  mov    -0x4(%rbp),%edx
  movslq %edx,%rcx
  mov    -0x20(%rbp),%rdx
  add    %rdx,%rcx
  lea    D101(%rip),%rdx
  mov    %eax,%esi
  mov    %rcx,%rdi
  mov    $0x0,%eax
  call   <snprintf@plt>
  mov    %eax,%edx
  mov    -0x4(%rbp),%eax
  add    %edx,%eax
  mov    %eax,-0x4(%rbp)
  jmp    L279
L42:
  mov    -0x18(%rbp),%eax
  sub    -0x4(%rbp),%eax
  mov    -0x4(%rbp),%edx
  movslq %edx,%rcx
  mov    -0x20(%rbp),%rdx
  add    %rdx,%rcx
  lea    D38(%rip),%rdx
  mov    %eax,%esi
  mov    %rcx,%rdi
  mov    $0x0,%eax
  call   <snprintf@plt>
  mov    %eax,%edx
  mov    -0x4(%rbp),%eax
  add    %edx,%eax
  mov    %eax,-0x4(%rbp)
  jmp    L279
L84:
  mov    -0x18(%rbp),%eax
  sub    -0x4(%rbp),%eax
  mov    -0x4(%rbp),%edx
  movslq %edx,%rcx
  mov    -0x20(%rbp),%rdx
  add    %rdx,%rcx
  lea    D37(%rip),%rdx
  mov    %eax,%esi
  mov    %rcx,%rdi
  mov    $0x0,%eax
  call   <snprintf@plt>
  mov    %eax,%edx
  mov    -0x4(%rbp),%eax
  add    %edx,%eax
  mov    %eax,-0x4(%rbp)
  jmp    L279
L186:
  mov    -0x18(%rbp),%eax
  sub    -0x4(%rbp),%eax
  mov    -0x4(%rbp),%edx
  movslq %edx,%rcx
  mov    -0x20(%rbp),%rdx
  add    %rdx,%rcx
  lea    D24(%rip),%rdx
  mov    %eax,%esi
  mov    %rcx,%rdi
  mov    $0x0,%eax
  call   <snprintf@plt>
  mov    %eax,%edx
  mov    -0x4(%rbp),%eax
  add    %edx,%eax
  mov    %eax,-0x4(%rbp)
  jmp    L279
L210:
  mov    -0x18(%rbp),%eax
  sub    -0x4(%rbp),%eax
  mov    -0x4(%rbp),%edx
  movslq %edx,%rcx
  mov    -0x20(%rbp),%rdx
  add    %rdx,%rcx
  lea    D109(%rip),%rdx
  mov    %eax,%esi
  mov    %rcx,%rdi
  mov    $0x0,%eax
  call   <snprintf@plt>
  mov    %eax,%edx
  mov    -0x4(%rbp),%eax
  add    %edx,%eax
  mov    %eax,-0x4(%rbp)
  jmp    L279
L6:
  mov    -0x14(%rbp),%eax
  mov    %eax,%edi
  call   <af_fmt2bits@plt>
  mov    %eax,%edx
  mov    -0x18(%rbp),%eax
  sub    -0x4(%rbp),%eax
  mov    -0x4(%rbp),%ecx
  movslq %ecx,%rsi
  mov    -0x20(%rbp),%rcx
  lea    (%rsi,%rcx,1),%rdi
  mov    %edx,%ecx
  lea    D21(%rip),%rdx
  mov    %eax,%esi
  mov    $0x0,%eax
  call   <snprintf@plt>
  mov    %eax,%edx
  mov    -0x4(%rbp),%eax
  add    %edx,%eax
  mov    %eax,-0x4(%rbp)
  mov    -0x14(%rbp),%eax
  and    $0x4,%eax
  test   %eax,%eax
  je     L233
  mov    -0x18(%rbp),%eax
  sub    -0x4(%rbp),%eax
  mov    -0x4(%rbp),%edx
  movslq %edx,%rcx
  mov    -0x20(%rbp),%rdx
  add    %rdx,%rcx
  lea    D22(%rip),%rdx
  mov    %eax,%esi
  mov    %rcx,%rdi
  mov    $0x0,%eax
  call   <snprintf@plt>
  mov    %eax,%edx
  mov    -0x4(%rbp),%eax
  add    %edx,%eax
  mov    %eax,-0x4(%rbp)
  jmp    L279
L233:
  mov    -0x14(%rbp),%eax
  and    $0x2,%eax
  test   %eax,%eax
  je     L119
  mov    -0x18(%rbp),%eax
  sub    -0x4(%rbp),%eax
  mov    -0x4(%rbp),%edx
  movslq %edx,%rcx
  mov    -0x20(%rbp),%rdx
  add    %rdx,%rcx
  lea    D91(%rip),%rdx
  mov    %eax,%esi
  mov    %rcx,%rdi
  mov    $0x0,%eax
  call   <snprintf@plt>
  mov    %eax,%edx
  mov    -0x4(%rbp),%eax
  add    %edx,%eax
  mov    %eax,-0x4(%rbp)
  jmp    L38
L119:
  mov    -0x18(%rbp),%eax
  sub    -0x4(%rbp),%eax
  mov    -0x4(%rbp),%edx
  movslq %edx,%rcx
  mov    -0x20(%rbp),%rdx
  add    %rdx,%rcx
  lea    D40(%rip),%rdx
  mov    %eax,%esi
  mov    %rcx,%rdi
  mov    $0x0,%eax
  call   <snprintf@plt>
  mov    %eax,%edx
  mov    -0x4(%rbp),%eax
  add    %edx,%eax
  mov    %eax,-0x4(%rbp)
L38:
  mov    -0x18(%rbp),%eax
  sub    -0x4(%rbp),%eax
  mov    -0x4(%rbp),%edx
  movslq %edx,%rcx
  mov    -0x20(%rbp),%rdx
  add    %rdx,%rcx
  lea    D108(%rip),%rdx
  mov    %eax,%esi
  mov    %rcx,%rdi
  mov    $0x0,%eax
  call   <snprintf@plt>
  mov    %eax,%edx
  mov    -0x4(%rbp),%eax
  add    %edx,%eax
  mov    %eax,-0x4(%rbp)
L279:
  cmpl   $0x0,-0x4(%rbp)
  jle    L264
  mov    -0x4(%rbp),%eax
  cltq
  lea    -0x1(%rax),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x20,%al
  jne    L264
  subl   $0x1,-0x4(%rbp)
L264:
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  mov    -0x20(%rbp),%rax
L91:
  leave
  ret
```

tool_calls: name: retrieve_data
arguments: tag: D41
data_type: string
name: retrieve_data
arguments: tag: D50
data_type: string
name: retrieve_data
arguments: tag: D63
data_type: string
name: retrieve_data
arguments: tag: D35
data_type: string
name: retrieve_data
arguments: tag: D101
data_type: string
name: retrieve_data
arguments: tag: D38
data_type: string
name: retrieve_data
arguments: tag: D37
data_type: string
name: retrieve_data
arguments: tag: D24
data_type: string
name: retrieve_data
arguments: tag: D109
data_type: string
name: retrieve_data
arguments: tag: D21
data_type: string
name: retrieve_data
arguments: tag: D22
data_type: string
name: retrieve_data
arguments: tag: D91
data_type: string
name: retrieve_data
arguments: tag: D40
data_type: string
name: retrieve_data
arguments: tag: D108
data_type: string

tool: D41: little-endian 

tool: D50: big-endian 

tool: D63: mu-law 

tool: D35: A-law 

tool: D101: MPEG-2 

tool: D38: AC3 

tool: D37: IEC61937 

tool: D24: IMA-ADPCM 

tool: D109: unknown format 

tool: D21: %d-bit 

tool: D22: float 

tool: D91: unsigned 

tool: D40: signed 

tool: D108: int 

assistant: ```c
char *af_fmt2str(int format, char *str, int size) {
  int i = 0;
  if (size < 1)
    return NULL;
  size--;
  if ((1 << 0) == (format & (1 << 0)))
    i += snprintf(str, size - i, "little-endian ");
  else
    i += snprintf(str, size - i, "big-endian ");
  if (format & (7 << 6)) {
    switch (format & (7 << 6)) {
    case ((1 << 6)):
      i += snprintf(&str[i], size - i, "mu-law ");
      break;
    case ((2 << 6)):
      i += snprintf(&str[i], size - i, "A-law ");
      break;
    case ((3 << 6)):
      i += snprintf(&str[i], size - i, "MPEG-2 ");
      break;
    case ((4 << 6)):
      i += snprintf(&str[i], size - i, "AC3 ");
      break;
    case ((6 << 6)):
      i += snprintf(&str[i], size - i, "IEC61937 ");
      break;
    case ((5 << 6)):
      i += snprintf(&str[i], size - i, "IMA-ADPCM ");
      break;
    default:
      i += snprintf(&str[i], size - i, "unknown format ");
    }
  } else {
    i += snprintf(&str[i], size - i, "%d-bit ", af_fmt2bits(format));
    if ((1 << 2) == (format & (1 << 2)))
      i += snprintf(&str[i], size - i, "float ");
    else {
      if ((1 << 1) == (format & (1 << 1)))
        i += snprintf(&str[i], size - i, "unsigned ");
      else
        i += snprintf(&str[i], size - i, "signed ");
      i += snprintf(&str[i], size - i, "int ");
    }
  }
  if (i > 0 && str[i - 1] == ' ')
    i--;
  str[i] = 0;
  return str;
}
```