user: 下面的汇编指令对应的C源代码是什么：

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movl   $0x5,-0x1c(%rbp)
  mov    -0x1c(%rbp),%eax
  mov    %eax,%esi
  lea    D55(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  call   <fork@plt>
  mov    %eax,-0x18(%rbp)
  cmpl   $0xffffffff,-0x18(%rbp)
  je     L36
  cmpl   $0x0,-0x18(%rbp)
  je     L60
  jmp    L10
L36:
  lea    D53(%rip),%rax
  mov    %rax,%rdi
  call   <perror@plt>
  jmp    L0
L60:
  addl   $0x1,-0x1c(%rbp)
  mov    -0x1c(%rbp),%edx
  lea    -0x10(%rbp),%rax
  lea    D3(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <sprintf@plt>
  lea    -0x10(%rbp),%rax
  mov    $0x0,%ecx
  mov    %rax,%rdx
  lea    D34(%rip),%rax
  mov    %rax,%rsi
  lea    D72(%rip),%rax
  mov    %rax,%rdi
  call   <execl@plt>
  mov    %eax,-0x14(%rbp)
  cmpl   $0x0,-0x14(%rbp)
  jns    L48
  lea    D66(%rip),%rax
  mov    %rax,%rdi
  call   <perror@plt>
  jmp    L48
L10:
  subl   $0x1,-0x1c(%rbp)
  mov    $0x0,%eax
  call   <getpid@plt>
  mov    %eax,%ecx
  mov    -0x1c(%rbp),%eax
  mov    %eax,%edx
  mov    %ecx,%esi
  lea    D67(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0x0,%eax
  call   <getppid@plt>
  mov    %eax,%edx
  mov    -0x18(%rbp),%eax
  mov    %eax,%esi
  lea    D2(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <wait@plt>
  jmp    L0
L48:
  nop
L0:
  mov    $0x0,%eax
  call   <getpid@plt>
  mov    %eax,%esi
  lea    D40(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0x0,%edi
  call   <exit@plt>
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L6
  call   <__stack_chk_fail@plt>
L6:
  leave
  ret
```

tool_calls: name: disassemble_data
arguments: label: D55
type: string
name: disassemble_data
arguments: label: D53
type: string
name: disassemble_data
arguments: label: D3
type: string
name: disassemble_data
arguments: label: D34
type: string
name: disassemble_data
arguments: label: D72
type: string
name: disassemble_data
arguments: label: D66
type: string
name: disassemble_data
arguments: label: D67
type: string
name: disassemble_data
arguments: label: D2
type: string
name: disassemble_data
arguments: label: D40
type: string

tool: D55: 

i vor fork: %d



tool: D53: Could not fork

tool: D3: %d

tool: D34: ChildProgA3.e

tool: D72: ./ChildProgA3.e

tool: D66: 
execl not successful

tool: D67: 
... wird sind die Eltern %d mit i %d 

tool: D2: und Kind %d,
    unsere Eltern sind %d


tool: D40: 
. . . . . und wer bin ich ?(pid: %d)



assistant: ```c
int main(void) {
  pid_t pid;
  int status;
  int i, retval;
  char str[8];
  i = 5;
  printf("\n\ni vor fork: %d\n\n", i);
  pid = fork();
  switch (pid) {
  case -1:
    perror("Could not fork");
    break;
  case 0:
    i++;
    sprintf(str, "%d", i);
    retval = execl("./ChildProgA3.e", "ChildProgA3.e", str, NULL);
    if (retval < 0)
      perror("\nexecl not successful");
    break;
  default:
    i--;
    printf("\n... wird sind die Eltern %d mit i %d ", getpid(), i);
    printf("und Kind %d,\n    unsere Eltern sind %d\n", pid, getppid());
    wait(&status);
    break;
  }
  printf("\n. . . . . und wer bin ich ?(pid: %d)\n\n", getpid());
  exit(0);
}
```