user: Please show me the C implementation that matches the assembly code listed below:

```asm
<enginecommand>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x318,%rsp
  mov    %rsi,%rbx
  mov    %fs:0x28,%rax
  mov    %rax,0x308(%rsp)
  xor    %eax,%eax
  lea    0x100(%rsp),%rcx
  mov    %rsp,%rbp
  lea    0x200(%rsp),%r8
  mov    %rbp,%rdx
  lea    D18(%rip),%rsi
  call   <sscanf@plt>
  lea    D36(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L150
  mov    %rsp,%rdi
  lea    D159(%rip),%rsi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L112
  mov    %rsp,%rdi
  lea    D114(%rip),%rsi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L32
  mov    %rsp,%rdi
  lea    D210(%rip),%rsi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L30
  lea    0x100(%rsp),%rdi
  lea    D197(%rip),%rsi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L4
  lea    0x100(%rsp),%rdi
  lea    D15(%rip),%rsi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L0
L30:
  mov    %rsp,%rdi
  lea    D170(%rip),%rsi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L39
  lea    0x100(%rsp),%rdi
  lea    D197(%rip),%rsi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L148
  lea    0x100(%rsp),%rdi
  lea    D15(%rip),%rsi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L52
  lea    0x100(%rsp),%rdi
  lea    D41(%rip),%rsi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L143
  lea    0x100(%rsp),%rdi
  lea    D104(%rip),%rsi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L138
L39:
  lea    D188(%rip),%rsi
  mov    %rbx,%rdi
  call   <sprintf@plt>
  mov    $0x0,%eax
  jmp    L159
L150:
  lea    D55(%rip),%rsi
  mov    %rbx,%rdi
  call   <sprintf@plt>
  mov    $0x1,%eax
L159:
  mov    0x308(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L58
  add    $0x318,%rsp
  pop    %rbx
  pop    %rbp
  ret
L112:
  lea    D168(%rip),%rsi
  mov    %rbx,%rdi
  call   <sprintf@plt>
  mov    $0x1,%eax
  jmp    L159
L32:
  lea    D20(%rip),%rsi
  mov    %rbx,%rdi
  call   <sprintf@plt>
  mov    $0x1,%eax
  jmp    L159
L4:
  lea    D188(%rip),%rsi
  mov    %rbx,%rdi
  call   <sprintf@plt>
  mov    $0x0,%eax
  jmp    L159
L0:
  lea    D188(%rip),%rsi
  mov    %rbx,%rdi
  call   <sprintf@plt>
  mov    $0x0,%eax
  jmp    L159
L148:
  lea    D188(%rip),%rsi
  mov    %rbx,%rdi
  call   <sprintf@plt>
  mov    $0x0,%eax
  jmp    L159
L52:
  lea    D188(%rip),%rsi
  mov    %rbx,%rdi
  call   <sprintf@plt>
  mov    $0x0,%eax
  jmp    L159
L143:
  lea    D149(%rip),%rsi
  mov    %rbx,%rdi
  call   <sprintf@plt>
  mov    $0x1,%eax
  jmp    L159
L138:
  lea    D92(%rip),%rsi
  mov    %rbx,%rdi
  call   <sprintf@plt>
  mov    $0x1,%eax
  jmp    L159
L58:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: data_tag: D18
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D36
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D159
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D114
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D210
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D197
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D15
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D170
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D41
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D104
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D188
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D55
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D168
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D20
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D149
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D92
type_infered: string

tool: D18: %s %s %s

tool: D36: name

tool: D159: about

tool: D114: help

tool: D210: set

tool: D197: hashsize

tool: D15: book

tool: D170: get

tool: D41: protocolversion

tool: D104: gametype

tool: D188: ?

tool: D55: Simple Checkers 1.14

tool: D168: Simple Checkers 1.14

2002 by Martin Fierz

tool: D20: simplechhelp.htm

tool: D149: 2

tool: D92: 21

assistant: ```c
int enginecommand(char str[256], char reply[256]) {
  char command[256], param1[256], param2[256];
  sscanf(str, "%s %s %s", command, param1, param2);
  if (strcmp(command, "name") == 0) {
    sprintf(reply, "Simple Checkers 1.14");
    return 1;
  }
  if (strcmp(command, "about") == 0) {
    sprintf(reply, "Simple Checkers 1.14\n\n2002 by Martin Fierz");
    return 1;
  }
  if (strcmp(command, "help") == 0) {
    sprintf(reply, "simplechhelp.htm");
    return 1;
  }
  if (strcmp(command, "set") == 0) {
    if (strcmp(param1, "hashsize") == 0) {
      sprintf(reply, "?");
      return 0;
    }
    if (strcmp(param1, "book") == 0) {
      sprintf(reply, "?");
      return 0;
    }
  }
  if (strcmp(command, "get") == 0) {
    if (strcmp(param1, "hashsize") == 0) {
      sprintf(reply, "?");
      return 0;
    }
    if (strcmp(param1, "book") == 0) {
      sprintf(reply, "?");
      return 0;
    }
    if (strcmp(param1, "protocolversion") == 0) {
      sprintf(reply, "2");
      return 1;
    }
    if (strcmp(param1, "gametype") == 0) {
      sprintf(reply, "21");
      return 1;
    }
  }
  sprintf(reply, "?");
  return 0;
}
```