user: Please show me the C implementation that matches the assembly code listed below:

```asm
<main>:
  endbr64
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  call   <fork@plt>
  test   %eax,%eax
  js     L132
  jne    L128
  lea    D79(%rip),%rdi
  xor    %edx,%edx
  lea    D98(%rip),%rsi
  call   <execl@plt>
  lea    D3(%rip),%rdi
  call   <puts@plt>
L12:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L30
  xor    %eax,%eax
  add    $0x18,%rsp
  ret
L128:
  xor    %edx,%edx
  lea    0x4(%rsp),%rsi
  mov    %eax,%edi
  call   <waitpid@plt>
  add    $0x1,%eax
  je     L92
L110:
  mov    0x4(%rsp),%edi
  call   <WIFEXITED@plt>
  mov    0x4(%rsp),%edi
  test   %rax,%rax
  jne    L47
  call   <WIFSIGNALED@plt>
  mov    0x4(%rsp),%edi
  test   %rax,%rax
  je     L25
  call   <WTERMSIG@plt>
  lea    D18(%rip),%rdi
  mov    %eax,%esi
  xor    %eax,%eax
  call   <printf@plt>
L115:
  mov    0x4(%rsp),%esi
  lea    D89(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  jmp    L12
L132:
  lea    D60(%rip),%rdi
  call   <perror@plt>
  mov    $0x1,%edi
  call   <exit@plt>
  jmp    L12
L47:
  call   <WEXITSTATUS@plt>
  lea    D42(%rip),%rdi
  mov    %eax,%esi
  xor    %eax,%eax
  call   <printf@plt>
  jmp    L115
L25:
  call   <WIFSTOPPED@plt>
  mov    0x4(%rsp),%edi
  test   %rax,%rax
  jne    L96
  call   <WIFCONTINUED@plt>
  test   %rax,%rax
  je     L115
  lea    D44(%rip),%rdi
  call   <puts@plt>
  jmp    L115
L92:
  lea    D0(%rip),%rdi
  call   <perror@plt>
  mov    $0x2,%edi
  call   <exit@plt>
  jmp    L110
L96:
  call   <WSTOPSIG@plt>
  lea    D10(%rip),%rdi
  mov    %eax,%esi
  xor    %eax,%eax
  call   <printf@plt>
  jmp    L115
L30:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: tag: D79
data_type: string
name: disassemble_data
arguments: tag: D98
data_type: string
name: disassemble_data
arguments: tag: D3
data_type: string
name: disassemble_data
arguments: tag: D18
data_type: string
name: disassemble_data
arguments: tag: D89
data_type: string
name: disassemble_data
arguments: tag: D60
data_type: string
name: disassemble_data
arguments: tag: D42
data_type: string
name: disassemble_data
arguments: tag: D44
data_type: string
name: disassemble_data
arguments: tag: D0
data_type: string
name: disassemble_data
arguments: tag: D10
data_type: string

tool: D79: ./newprogram

tool: 

tool: D3: never

tool: D18: killed by signal %d


tool: D89: Parent process: child exit: %d


tool: D60: fork error

tool: D42: exited, status=%d


tool: D44: continued

tool: D0: waitpid

tool: D10: stopped by signal %d


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;
}
```