user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbx
  sub    $0x48,%rsp
  mov    %edi,-0x64(%rbp)
  mov    %rsi,-0x70(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x38(%rbp)
  xor    %eax,%eax
  cmpl   $0x1,-0x64(%rbp)
  jg     L53
  lea    D15(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
  jmp    L23
L53:
  mov    -0x70(%rbp),%rax
  add    $0x8,%rax
  mov    (%rax),%rax
  lea    D6(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <fopen@plt>
  mov    %rax,-0x58(%rbp)
  cmpq   $0x0,-0x58(%rbp)
  jne    L28
  mov    %rsp,%rax
  mov    %rax,%rbx
  mov    -0x70(%rbp),%rax
  add    $0x8,%rax
  mov    (%rax),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  add    $0xd,%rax
  lea    -0x1(%rax),%rdx
  mov    %rdx,-0x48(%rbp)
  mov    %rax,%rdx
  mov    %rdx,%r14
  mov    $0x0,%r15d
  mov    %rax,%rdx
  mov    %rdx,%r12
  mov    $0x0,%r13d
  mov    %rax,%rdx
  mov    $0x10,%eax
  sub    $0x1,%rax
  add    %rdx,%rax
  mov    $0x10,%ecx
  mov    $0x0,%edx
  div    %rcx
  imul   $0x10,%rax,%rax
  mov    %rax,%rcx
  and    $0xfffffffffffff000,%rcx
  mov    %rsp,%rdx
  sub    %rcx,%rdx
L26:
  cmp    %rdx,%rsp
  je     L29
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L26
L29:
  mov    %rax,%rdx
  and    $0xfff,%edx
  sub    %rdx,%rsp
  mov    %rax,%rdx
  and    $0xfff,%edx
  test   %rdx,%rdx
  je     L20
  and    $0xfff,%eax
  sub    $0x8,%rax
  add    %rsp,%rax
  orq    $0x0,(%rax)
L20:
  mov    %rsp,%rax
  add    $0x0,%rax
  mov    %rax,-0x40(%rbp)
  mov    -0x40(%rbp),%rax
  lea    D10(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcpy@plt>
  mov    -0x70(%rbp),%rax
  add    $0x8,%rax
  mov    (%rax),%rdx
  mov    -0x40(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcat@plt>
  mov    -0x40(%rbp),%rax
  mov    %rax,%rdi
  call   <perror@plt>
  mov    %rbx,%rsp
  jmp    L23
L28:
  mov    -0x58(%rbp),%rax
  mov    %rax,%rdi
  call   <fileno@plt>
  mov    %eax,%edx
  lea    -0x5c(%rbp),%rax
  mov    %rax,%rsi
  mov    %edx,%edi
  call   <fstat@plt>
  mov    -0x5c(%rbp),%edx
  mov    -0x58(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <strip_source@plt>
  mov    %rax,-0x50(%rbp)
  mov    -0x58(%rbp),%rax
  mov    %rax,%rdi
  call   <fclose@plt>
  mov    -0x50(%rbp),%rax
  mov    %rax,%rdi
  call   <interpret_brainfuck@plt>
  mov    -0x50(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
L23:
  mov    $0x0,%eax
  mov    -0x38(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L58
  call   <__stack_chk_fail@plt>
L58:
  lea    -0x28(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
```

tool_calls: name: disassemble_data
arguments: data_label: D15
type: string
name: disassemble_data
arguments: data_label: D6
type: string
name: disassemble_data
arguments: data_label: D10
type: string

tool: D15: Specify brainfuck source file.

tool: D6: r

tool: D10: brickfuck: 

assistant: ```c
int main(int argc, char *argv[]) {
  FILE *source;
  struct stat filstat;
  char *bf_code;
  if (argc <= 1) {
    puts("Specify brainfuck source file.");
  } else {
    source = fopen(argv[1], "r");
    if (!source) {
      char err_info[strlen("brickfuck: ") + 1 + strlen(argv[1]) + 1];
      strcpy(err_info, "brickfuck: ");
      strcat(err_info, argv[1]);
      perror(err_info);
    } else {
      fstat(fileno(source), &filstat);
      bf_code = strip_source(source, filstat.st_size);
      fclose(source);
      interpret_brainfuck(bf_code);
      free(bf_code);
    }
  }
  return 0;
}
```