user: What would the C source look like for the assembly code provided here?

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %edi,-0x24(%rbp)
  mov    %rsi,-0x30(%rbp)
  cmpl   $0x1,-0x24(%rbp)
  jg     L96
  lea    D53(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
  mov    $0xffffffff,%eax
  jmp    L29
L96:
  mov    $0x0,%eax
  call   <setsid@plt>
  cmp    $0xffffffff,%eax
  jne    L132
  lea    D93(%rip),%rax
  mov    %rax,%rdi
  call   <perror@plt>
L132:
  movl   $0x0,-0x20(%rbp)
  mov    $0x0,%eax
  call   <getpid@plt>
  mov    %eax,-0x1c(%rbp)
  mov    $0x0,%eax
  call   <getpgrp@plt>
  mov    %eax,-0x18(%rbp)
  mov    $0x0,%edi
  call   <getsid@plt>
  mov    %eax,-0x14(%rbp)
  mov    -0x18(%rbp),%ecx
  mov    -0x1c(%rbp),%edx
  mov    -0x14(%rbp),%eax
  mov    %eax,%esi
  lea    D69(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  call   <fork@plt>
  mov    %eax,-0x10(%rbp)
  cmpl   $0x0,-0x10(%rbp)
  jns    L121
  lea    D72(%rip),%rax
  mov    %rax,%rdi
  call   <err_sys@plt>
  jmp    L35
L121:
  cmpl   $0x0,-0x10(%rbp)
  jne    L115
  mov    $0x0,%eax
  call   <setsid@plt>
  cmp    $0xffffffff,%eax
  jne    L72
  lea    D93(%rip),%rax
  mov    %rax,%rdi
  call   <err_sys@plt>
L72:
  mov    $0x0,%eax
  call   <getpid@plt>
  mov    %eax,-0x1c(%rbp)
  mov    $0x0,%eax
  call   <getpgrp@plt>
  mov    %eax,-0x18(%rbp)
  mov    $0x0,%edi
  call   <getsid@plt>
  mov    %eax,-0x14(%rbp)
  mov    -0x18(%rbp),%ecx
  mov    -0x1c(%rbp),%edx
  mov    -0x14(%rbp),%eax
  mov    %eax,%esi
  lea    D103(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  jmp    L35
L115:
  mov    $0x0,%edi
  call   <exit@plt>
L35:
  call   <fork@plt>
  mov    %eax,-0x10(%rbp)
  cmpl   $0x0,-0x10(%rbp)
  jns    L77
  lea    D72(%rip),%rax
  mov    %rax,%rdi
  call   <err_sys@plt>
  jmp    L26
L77:
  cmpl   $0x0,-0x10(%rbp)
  jne    L26
  mov    $0x0,%eax
  call   <getpid@plt>
  mov    %eax,-0xc(%rbp)
  mov    $0x0,%eax
  call   <getpgrp@plt>
  mov    %eax,-0x8(%rbp)
  mov    $0x0,%edi
  call   <getsid@plt>
  mov    %eax,-0x4(%rbp)
  mov    -0x8(%rbp),%ecx
  mov    -0xc(%rbp),%edx
  mov    -0x4(%rbp),%eax
  mov    %eax,%esi
  lea    D101(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0x0,%esi
  mov    $0x0,%edi
  call   <setpgid@plt>
  mov    %eax,-0x20(%rbp)
  cmpl   $0xffffffff,-0x20(%rbp)
  jne    L109
  lea    D33(%rip),%rax
  mov    %rax,%rdi
  call   <err_sys@plt>
L109:
  mov    -0x30(%rbp),%rax
  add    $0x8,%rax
  mov    (%rax),%rcx
  mov    -0x30(%rbp),%rax
  add    $0x8,%rax
  mov    (%rax),%rax
  mov    $0x0,%edx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <execlp@plt>
  mov    $0xffffffff,%edi
  call   <exit@plt>
L26:
  mov    -0x10(%rbp),%edx
  mov    -0x10(%rbp),%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <setpgid@plt>
  mov    %eax,-0x20(%rbp)
  cmpl   $0xffffffff,-0x20(%rbp)
  jne    L71
  lea    D50(%rip),%rax
  mov    %rax,%rdi
  call   <err_sys@plt>
L71:
  mov    -0x10(%rbp),%eax
  mov    %eax,%esi
  mov    $0x0,%edi
  call   <setpgid@plt>
  mov    %eax,-0x20(%rbp)
  cmpl   $0xffffffff,-0x20(%rbp)
  jne    L56
  lea    D10(%rip),%rax
  mov    %rax,%rdi
  call   <err_sys@plt>
L56:
  mov    $0x0,%eax
  call   <print@plt>
  mov    $0x0,%eax
L29:
  leave
  ret
```

tool_calls: name: retrieve_data
arguments: data_label: D53
type_guessed: string
name: retrieve_data
arguments: data_label: D93
type_guessed: string
name: retrieve_data
arguments: data_label: D69
type_guessed: string
name: retrieve_data
arguments: data_label: D72
type_guessed: string
name: retrieve_data
arguments: data_label: D103
type_guessed: string
name: retrieve_data
arguments: data_label: D101
type_guessed: string
name: retrieve_data
arguments: data_label: D33
type_guessed: string
name: retrieve_data
arguments: data_label: D50
type_guessed: string
name: retrieve_data
arguments: data_label: D10
type_guessed: string

tool: D53: Usage: session grpid

tool: D93: setsid

tool: D69: parent %u: %u, %u


tool: D72: fork

tool: D103: session %u: %u, %u


tool: D101: child %u: %u, %u


tool: D33: setpgid child

tool: D50: setpgid 1

tool: D10: setpgid 2

assistant: ```c
int main(int argc, char *argv[]) {
  if (argc < 2) {
    printf("Usage: session grpid\n");
    return -1;
  }
  if (setsid() == -1)
    perror("setsid");
  int ret = 0;
  pid_t pid = getpid();
  pid_t grp = getpgrp();
  pid_t sid = getsid(0);
  printf("parent %u: %u, %u\n", sid, pid, grp);
  pid_t cid = fork();
  if (cid < 0)
    err_sys("fork");
  else if (cid == 0) {
    if (setsid() == -1)
      err_sys("setsid");
    pid = getpid();
    grp = getpgrp();
    sid = getsid(0);
    printf("session %u: %u, %u\n", sid, pid, grp);
  } else
    exit(0);
  cid = fork();
  if (cid < 0)
    err_sys("fork");
  else if (cid == 0) {
    pid_t pid = getpid();
    pid_t grp = getpgrp();
    pid_t sid = getsid(0);
    printf("child %u: %u, %u\n", sid, pid, grp);
    ret = setpgid(0, 0);
    if (ret == -1)
      err_sys("setpgid child");
    execlp(argv[1], argv[1], NULL);
    exit(-1);
  }
  ret = setpgid(cid, cid);
  if (ret == -1)
    err_sys("setpgid 1");
  ret = setpgid(0, cid);
  if (ret == -1)
    err_sys("setpgid 2");
  print();
  return 0;
}
```