user: 请从给定的汇编指令推导出C源代码：

```asm
<main>:
  endbr64
  push   %r12
  push   %rbp
  mov    %edi,%ebp
  lea    D41(%rip),%rdi
  push   %rbx
  mov    %rsi,%rbx
  call   <printf@plt>
  xor    %eax,%eax
  call   <print_banner@plt>
  cmp    $0x1,%ebp
  jle    L3
  lea    D45(%rip),%r12
  mov    %r12,%rdi
  call   <strlen@plt>
  mov    0x8(%rbx),%rdi
  mov    %r12,%rsi
  mov    %eax,%edx
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L99
  cmp    $0x4,%ebp
  jne    L23
  mov    0x18(%rbx),%rsi
  mov    0x10(%rbx),%rdi
  call   <do_decode@plt>
  test   %eax,%eax
  sete   %al
  movzbl %al,%eax
  add    %eax,%eax
L82:
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L99:
  lea    D28(%rip),%r12
  mov    %r12,%rdi
  call   <strlen@plt>
  mov    0x8(%rbx),%rdi
  mov    %r12,%rsi
  mov    %eax,%edx
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L35
  cmp    $0x4,%ebp
  jne    L23
  mov    0x18(%rbx),%rsi
  mov    0x10(%rbx),%rdi
  call   <do_encode@plt>
  test   %eax,%eax
  sete   %al
  movzbl %al,%eax
  add    %eax,%eax
  jmp    L82
L35:
  lea    D61(%rip),%r12
  mov    %r12,%rdi
  call   <strlen@plt>
  mov    0x8(%rbx),%rdi
  mov    %r12,%rsi
  mov    %eax,%edx
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L15
  cmp    $0x3,%ebp
  je     L0
L23:
  lea    D67(%rip),%rdi
  call   <printf@plt>
  mov    $0x1,%eax
  jmp    L82
L3:
  lea    D67(%rip),%rdi
  call   <printf@plt>
  xor    %eax,%eax
  call   <print_usage@plt>
  mov    $0x1,%eax
  jmp    L82
L0:
  mov    0x10(%rbx),%rdi
  call   <do_getver@plt>
  test   %eax,%eax
  sete   %al
  movzbl %al,%eax
  add    %eax,%eax
  jmp    L82
L15:
  lea    D63(%rip),%rdi
  call   <printf@plt>
  xor    %eax,%eax
  call   <print_usage@plt>
  mov    $0x1,%eax
  jmp    L82
```

tool_calls: name: parse_data
arguments: data_label: D41
data_type: string
name: parse_data
arguments: data_label: D45
data_type: string
name: parse_data
arguments: data_label: D28
data_type: string
name: parse_data
arguments: data_label: D61
data_type: string
name: parse_data
arguments: data_label: D67
data_type: string
name: parse_data
arguments: data_label: D63
data_type: string

tool: D41: 


tool: D45: -d

tool: D28: -e

tool: D61: -v

tool: D67: Error: insufficient arguments.



tool: D63: Error: incorrect arguments.



assistant: ```c
int main(int argc, char **argv) {
  printf("\n");
  print_banner();
  if (argc <= 1) {
    printf("Error: insufficient arguments.\n\n");
    print_usage();
    return 1;
  } else {
    if ((!strncmp(argv[1], "-d", strlen("-d")))) {
      if (argc == 4) {
        if (!do_decode(argv[2], argv[3]))
          return 2;
      } else {
        printf("Error: insufficient arguments.\n\n");
        return 1;
      }
    } else if ((!strncmp(argv[1], "-e", strlen("-e")))) {
      if (argc == 4) {
        if (!do_encode(argv[2], argv[3]))
          return 2;
      } else {
        printf("Error: insufficient arguments.\n\n");
        return 1;
      }
    } else if ((!strncmp(argv[1], "-v", strlen("-v")))) {
      if (argc == 3) {
        if (!do_getver(argv[2]))
          return 2;
      } else {
        printf("Error: insufficient arguments.\n\n");
        return 1;
      }
    } else {
      printf("Error: incorrect arguments.\n\n");
      print_usage();
      return 1;
    }
  }
}
```