user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<main>:
  endbr64
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  call   <fork@plt>
  test   %eax,%eax
  js     L57
  jne    L96
  mov    $0x0,%edx
  lea    D82(%rip),%rsi
  lea    D94(%rip),%rdi
  call   <execl@plt>
  lea    D7(%rip),%rdi
  call   <puts@plt>
L3:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L1
  mov    $0x0,%eax
  add    $0x18,%rsp
  ret
L57:
  lea    D6(%rip),%rdi
  call   <perror@plt>
  mov    $0x1,%edi
  call   <exit@plt>
  jmp    L3
L96:
  lea    0x4(%rsp),%rsi
  mov    $0x0,%edx
  mov    %eax,%edi
  call   <waitpid@plt>
  cmp    $0xffffffff,%eax
  je     L91
L19:
  mov    0x4(%rsp),%edi
  call   <WIFEXITED@plt>
  test   %rax,%rax
  je     L92
  mov    0x4(%rsp),%edi
  call   <WEXITSTATUS@plt>
  mov    %eax,%esi
  lea    D93(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
L131:
  mov    0x4(%rsp),%esi
  lea    D99(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  jmp    L3
L91:
  lea    D44(%rip),%rdi
  call   <perror@plt>
  mov    $0x2,%edi
  call   <exit@plt>
  jmp    L19
L92:
  mov    0x4(%rsp),%edi
  call   <WIFSIGNALED@plt>
  test   %rax,%rax
  je     L121
  mov    0x4(%rsp),%edi
  call   <WTERMSIG@plt>
  mov    %eax,%esi
  lea    D18(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  jmp    L131
L121:
  mov    0x4(%rsp),%edi
  call   <WIFSTOPPED@plt>
  test   %rax,%rax
  je     L52
  mov    0x4(%rsp),%edi
  call   <WSTOPSIG@plt>
  mov    %eax,%esi
  lea    D11(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  jmp    L131
L52:
  mov    0x4(%rsp),%edi
  call   <WIFCONTINUED@plt>
  test   %rax,%rax
  je     L131
  lea    D34(%rip),%rdi
  call   <puts@plt>
  jmp    L131
L1:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: label: D82
data_type: string
name: disassemble_data
arguments: label: D94
data_type: string
name: disassemble_data
arguments: label: D7
data_type: string
name: disassemble_data
arguments: label: D6
data_type: string
name: disassemble_data
arguments: label: D93
data_type: string
name: disassemble_data
arguments: label: D99
data_type: string
name: disassemble_data
arguments: label: D44
data_type: string
name: disassemble_data
arguments: label: D18
data_type: string
name: disassemble_data
arguments: label: D11
data_type: string
name: disassemble_data
arguments: label: D34
data_type: string

tool: 

tool: D94: ./newprogram

tool: D7: never

tool: D6: fork error

tool: D93: exited, status=%d


tool: D99: Parent process: child exit: %d


tool: D44: waitpid

tool: D18: killed by signal %d


tool: D11: stopped by signal %d


tool: D34: continued

assistant: ```c
int main(int argc, char *argv[]) {
  int pid;
  pid = fork();
  if (pid < 0) {
    perror("fork error");
    exit(1);
  } else if (pid == 0) {
    execl("./newprogram", "", NULL);
    printf("never\n");
  } else {
    int status;
    int w = waitpid(pid, &status, 0);
    if (w == -1) {
      perror("waitpid");
      exit(2);
    }
    if (WIFEXITED(status)) {
      printf("exited, status=%d\n", WEXITSTATUS(status));
    } else if (WIFSIGNALED(status)) {
      printf("killed by signal %d\n", WTERMSIG(status));
    } else if (WIFSTOPPED(status)) {
      printf("stopped by signal %d\n", WSTOPSIG(status));
    } else if (WIFCONTINUED(status)) {
      printf("continued\n");
    }
    printf("Parent process: child exit: %d\n", status);
  }
  return 0;
}
```