user: 请从给定的汇编指令推导出C源代码:

```asm
<main>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  lea    -0x49000(%rsp),%r11
L77:
  sub    $0x1000,%rsp
  orq    $0x0,(%rsp)
  cmp    %r11,%rsp
  jne    L77
  sub    $0x3f8,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x493e8(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rax
  lea    0x493e0(%rsp),%rdx
L94:
  movb   $0x0,(%rax)
  add    $0x1,%rax
  cmp    %rdx,%rax
  jne    L94
  mov    $0x0,%ebx
  mov    %rsp,%rbp
  lea    D15(%rip),%r12
  lea    D16(%rip),%r13
  jmp    L74
L113:
  addb   $0x1,0x0(%rbp)
L95:
  add    $0x1,%ebx
  cmp    $0x127,%ebx
  jg     L175
L74:
  movslq %ebx,%rax
  movzbl (%r12,%rax,1),%eax
  cmp    $0x2b,%al
  je     L113
  sub    $0x2c,%eax
  cmp    $0x31,%al
  ja     L95
  movzbl %al,%eax
  movslq 0x0(%r13,%rax,4),%rax
  add    %r13,%rax
  notrack jmp *%rax
  subb   $0x1,0x0(%rbp)
  jmp    L95
  sub    $0x1,%rbp
  jmp    L95
  add    $0x1,%rbp
  jmp    L95
  movsbl 0x0(%rbp),%edi
  call   <putchar@plt>
  jmp    L95
  mov    $0x0,%eax
  call   <getchar@plt>
  mov    %al,0x0(%rbp)
  jmp    L95
  cmpb   $0x0,0x0(%rbp)
  jne    L95
  cmp    $0x127,%ebx
  jg     L95
  lea    0x1(%rbx),%eax
  cltq
  mov    $0x1,%edx
  jmp    L89
L52:
  add    $0x1,%edx
L180:
  test   %edx,%edx
  setne  %sil
  cmp    $0x127,%eax
  setle  %cl
  add    $0x1,%rax
  test   %cl,%sil
  je     L95
L89:
  mov    %eax,%ebx
  movzbl (%r12,%rax,1),%ecx
  cmp    $0x5b,%cl
  je     L52
  cmp    $0x5d,%cl
  sete   %cl
  movzbl %cl,%ecx
  sub    %ecx,%edx
  jmp    L180
  cmpb   $0x0,0x0(%rbp)
  je     L95
  lea    -0x1(%rbx),%eax
  cltq
  mov    $0x1,%edx
  jmp    L56
L136:
  add    $0x1,%edx
L69:
  sub    $0x1,%rax
  test   %edx,%edx
  je     L95
L56:
  mov    %eax,%ebx
  movzbl (%r12,%rax,1),%ecx
  cmp    $0x5d,%cl
  je     L136
  cmp    $0x5b,%cl
  sete   %cl
  movzbl %cl,%ecx
  sub    %ecx,%edx
  jmp    L69
L175:
  mov    0x493e8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L194
  mov    $0x0,%eax
  add    $0x493f8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L194:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: data_label: D15
datatype: string

tool: D15: >++++++++++>>>+>+[>>>+[-[<<<<<[+<<<<<]>>[[-]>[<<+>+>-]<[>+<-]<[>+<-[>+<-[>+<-[>+<-[>+<-[>+<-[>+<-[>+<-[>+<-[>[-]>>>>+>+<<<<<<-[>+<-]]]]]]]]]]]>[<+>-]+>>>>>]<<<<<[<<<<<]>>>>>>>[>>>>>]++[-<<<<<]>>>>>>-]+>>>>>]<[>++<-]<<<<[<[>+<-]<<<<]>>[->[-]++++++[<++++++++>-]>>>>]<<<<<[<[>+>+<<-]>.<<<<<]>.>>>>]

assistant: ```c
int main() {
  int fsize = 296, parens;
  char mem[300000], *ptr = mem;
  for (int i = 0; i < 300000; i++)
    mem[i] = 0;
  char *str = ">++++++++++>>>+>+[>>>+[-[<<<<<[+<<<<<]>>[[-]>[<<+>+>-]<[>+<-]<[>+<-[>+<-[>+<-[>+<-[>+<-[>+<-[>+<-[>+<-[>+<-[>[-]>>>>+>+<<<<<<-[>+<-]]]]]]]]]]]>[<+>-]+>>>>>]<<<<<[<<<<<]>>>>>>>[>>>>>]++[-<<<<<]>>>>>>-]+>>>>>]<[>++<-]<<<<[<[>+<-]<<<<]>>[->[-]++++++[<++++++++>-]>>>>]<<<<<[<[>+>+<<-]>.<<<<<]>.>>>>]";
  for (int i = 0; i < 296; i++) {
    if (str[i] == '+') {
      ++*ptr;
    } else if (str[i] == '-') {
      --*ptr;
    } else if (str[i] == '<') {
      ptr--;
    } else if (str[i] == '>') {
      ptr++;
    } else if (str[i] == '.') {
      putchar(*ptr);
    } else if (str[i] == ',') {
      *ptr = getchar();
    } else if (str[i] == '[') {
      if (*ptr == 0) {
        parens = 1;
        while (parens != 0 && i < fsize) {
          i++;
          if (str[i] == '[')
            parens++;
          if (str[i] == ']')
            parens--;
        }
      }
    } else if (str[i] == ']') {
      if (*ptr != 0) {
        parens = 1;
        while (parens != 0) {
          i--;
          if (str[i] == ']')
            parens++;
          if (str[i] == '[')
            parens--;
        }
      }
    }
  }
  return 0;
}
```