user: 请将以下的汇编代码转换成C语言代码：

```asm
<getstr>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  movb   $0x51,0x7(%rsp)
  lea    D5(%rip),%rdi
  call   <puts@plt>
  cmpb   $0xa,0x7(%rsp)
  je     L83
  mov    $0x0,%r12d
  lea    0x7(%rsp),%rbx
  lea    D8(%rip),%r15
  jmp    L76
L50:
  lea    -0x1(%r12),%ecx
  mov    $0x0,%eax
L56:
  movzbl 0x0(%rbp,%rax,1),%edx
  mov    %dl,(%rbx,%rax,1)
  mov    %rax,%rdx
  add    $0x1,%rax
  cmp    %rcx,%rdx
  jne    L56
L23:
  add    $0x1,%r12
  movb   $0x0,(%rbx,%r12,1)
  movzbl 0x0(%rbp),%edi
  test   %dil,%dil
  je     L54
  lea    0x1(%rbp),%r13
L17:
  movsbl %dil,%edi
  call   <putchar@plt>
  add    $0x1,%r13
  movzbl -0x1(%r13),%edi
  test   %dil,%dil
  jne    L17
L54:
  mov    %rbp,%rsi
  lea    D46(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  cmpb   $0xa,0x7(%rsp)
  je     L69
L76:
  mov    $0x0,%eax
  call   <getchar@plt>
  mov    %al,0x7(%rsp)
  mov    %rbx,%rbp
  lea    0x2(%r12),%edi
  call   <malloc@plt>
  mov    %rax,%rbx
  lea    (%rax,%r12,1),%r14
  movzbl 0x7(%rsp),%eax
  mov    %al,(%r14)
  mov    %r12d,%esi
  lea    D32(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  movsbl 0x7(%rsp),%esi
  mov    %r15,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  movsbl (%r14),%esi
  mov    %r15,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    D19(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    D55(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  test   %r12d,%r12d
  jg     L50
  mov    %rbx,%rbp
  jmp    L23
L83:
  lea    0x7(%rsp),%rbx
L69:
  mov    %rbp,%rdi
  call   <free@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L2
  mov    %rbx,%rax
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L2:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: tag: D5
datatype: string
name: retrieve_data
arguments: tag: D8
datatype: string
name: retrieve_data
arguments: tag: D46
datatype: string
name: retrieve_data
arguments: tag: D32
datatype: string
name: retrieve_data
arguments: tag: D19
datatype: string
name: retrieve_data
arguments: tag: D55
datatype: string

tool: D5: Enter String

tool: D8: %c


tool: D46: 

%s


tool: D32: #%d


tool: D19: BREAK

tool: D55: _BREAK_

assistant: ```c
char *getstr(char *input) {
  int n = 0;
  char scanned = 'Q';
  char *ptrTemp;
  char *ptrDel;
  ptrTemp = input = &scanned;
  printf("Enter String\n");
  while (scanned != '\n') {
    scanned = getchar();
    ptrTemp = malloc(sizeof(char) * (n + 2));
    *(ptrTemp + n) = scanned;
    printf("#%d\n", n);
    printf("%c\n", scanned);
    printf("%c\n", *(ptrTemp + n));
    printf("BREAK");
    printf("_BREAK_");
    if (n < 1) {
      input = ptrTemp;
    } else {
      for (int k = 0; k < n; k++) {
        *(ptrTemp + k) = *(input + k);
      }
    }
    *(ptrTemp + 1 + n) = '\0';
    for (int k = 0; *(input + k) != '\0'; k++) {
      printf("%c", *(input + k));
    }
    n++;
    printf("\n\n%s\n", input);
    ptrDel = input;
    input = ptrTemp;
  }
  free(ptrDel);
  return input;
}
```