user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<execute_cmd>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  movzbl (%rdi),%eax
  cmp    $0x62,%al
  je     L128
  cmp    $0x63,%al
  je     L179
  lea    D12(%rip),%rsi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L131
  mov    $0x0,%edi
  call   <enable_tvout@plt>
  jmp    L82
L128:
  lea    0x1(%rdi),%rsi
  mov    $0x2,%edi
  call   <inc_dec_cmd@plt>
  jmp    L82
L179:
  lea    0x1(%rdi),%rsi
  mov    $0x3,%edi
  call   <inc_dec_cmd@plt>
L82:
  pop    %rbx
  ret
L131:
  lea    D48(%rip),%rsi
  mov    %rbx,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L17
  call   <reset_defaults@plt>
  jmp    L82
L17:
  lea    D89(%rip),%rsi
  mov    %rbx,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L69
  cmpb   $0x66,(%rbx)
  je     L6
  lea    D82(%rip),%rsi
  mov    %rbx,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L250
  movzbl (%rbx),%eax
  cmp    $0x68,%al
  je     L295
  sub    $0x52,%eax
  cmp    $0x25,%al
  ja     L157
  movzbl %al,%eax
  lea    D7(%rip),%rdx
  movslq (%rdx,%rax,4),%rax
  add    %rdx,%rax
  notrack jmp *%rax
L69:
  mov    $0x1,%edi
  call   <enable_tvout@plt>
  jmp    L82
L6:
  lea    0x1(%rbx),%rsi
  mov    $0x1,%edi
  call   <inc_dec_cmd@plt>
  jmp    L82
L250:
  call   <get_settings@plt>
  jmp    L82
L295:
  lea    0x1(%rbx),%rsi
  mov    $0x3,%edi
  call   <xy_cmd@plt>
  jmp    L82
  lea    0x1(%rbx),%rsi
  mov    $0x0,%edi
  call   <xy_cmd@plt>
  jmp    L82
  lea    0x1(%rbx),%rdi
  call   <vga_mode@plt>
  jmp    L82
  lea    0x1(%rbx),%rsi
  mov    $0x4,%edi
  call   <inc_dec_cmd@plt>
  jmp    L82
  lea    0x1(%rbx),%rdi
  call   <dump_registers@plt>
  jmp    L82
  lea    0x1(%rbx),%rdi
  call   <write_register@plt>
  jmp    L82
  lea    0x1(%rbx),%rsi
  mov    $0x0,%edi
  call   <inc_dec_cmd@plt>
  jmp    L82
  lea    0x1(%rbx),%rdi
  call   <tv_standard@plt>
  jmp    L82
  lea    0x1(%rbx),%rsi
  mov    $0x1,%edi
  call   <xy_cmd@plt>
  jmp    L82
  lea    0x1(%rbx),%rsi
  mov    $0x2,%edi
  call   <xy_cmd@plt>
  jmp    L82
L157:
  lea    D41(%rip),%rsi
  mov    %rbx,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L170
  mov    $0x0,%edi
  call   <help@plt>
  jmp    L82
L170:
  lea    D95(%rip),%rsi
  mov    %rbx,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L163
  mov    $0x1,%edi
  call   <help@plt>
  jmp    L82
L163:
  lea    D45(%rip),%rsi
  mov    %rbx,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L81
  mov    $0x1,%edi
  call   <inc_dec_ffolat@plt>
  jmp    L82
L81:
  lea    D98(%rip),%rsi
  mov    %rbx,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L89
  mov    $0xffffffff,%edi
  call   <inc_dec_ffolat@plt>
  jmp    L82
L89:
  mov    %rbx,%rsi
  lea    D92(%rip),%rdi
  call   <printf@plt>
  jmp    L82
```

tool_calls: name: retrieve_data
arguments: data_label: D12
data_type: string
name: retrieve_data
arguments: data_label: D48
data_type: string
name: retrieve_data
arguments: data_label: D89
data_type: string
name: retrieve_data
arguments: data_label: D82
data_type: string
name: retrieve_data
arguments: data_label: D41
data_type: string
name: retrieve_data
arguments: data_label: D95
data_type: string
name: retrieve_data
arguments: data_label: D45
data_type: string
name: retrieve_data
arguments: data_label: D98
data_type: string
name: retrieve_data
arguments: data_label: D92
data_type: string

tool: D12: d

tool: D48: def

tool: D89: e

tool: D82: g

tool: D41: ?

tool: D95: ??

tool: D45: >

tool: D98: <

tool: D92: unknown command %s


assistant: ```c
void execute_cmd(char *in) {
  if (*in == 'b')
    inc_dec_cmd(2, in + 1);
  else if (*in == 'c')
    inc_dec_cmd(3, in + 1);
  else if (strcmp(in, "d") == 0)
    enable_tvout(0);
  else if (strcmp(in, "def") == 0)
    reset_defaults();
  else if (strcmp(in, "e") == 0)
    enable_tvout(1);
  else if (*in == 'f')
    inc_dec_cmd(1, in + 1);
  else if (strcmp(in, "g") == 0)
    get_settings();
  else if (*in == 'h')
    xy_cmd(3, in + 1);
  else if (*in == 'l')
    xy_cmd(0, in + 1);
  else if (*in == 'm')
    vga_mode(in + 1);
  else if (*in == 'o')
    inc_dec_cmd(4, in + 1);
  else if (*in == 'r')
    dump_registers(in + 1);
  else if (*in == 'R')
    write_register(in + 1);
  else if (*in == 'n')
    inc_dec_cmd(0, in + 1);
  else if (*in == 's')
    tv_standard(in + 1);
  else if (*in == 't')
    xy_cmd(1, in + 1);
  else if (*in == 'w')
    xy_cmd(2, in + 1);
  else if (strcmp(in, "?") == 0)
    help(0);
  else if (strcmp(in, "??") == 0)
    help(1);
  else if (strcmp(in, ">") == 0)
    inc_dec_ffolat(1);
  else if (strcmp(in, "<") == 0)
    inc_dec_ffolat(-1);
  else
    printf("unknown command %s\n", in);
}
```