user: Demonstrate the C code that generates the assembly output below:

```asm
<main>:
  endbr64
  push   %r13
  mov    $0x1,%esi
  push   %r12
  lea    D119(%rip),%r12
  push   %rbp
  mov    %r12,%rdi
  sub    $0x30,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  xor    %eax,%eax
  call   <ftok@plt>
  cmp    $0xffffffffffffffff,%rax
  je     L8
  mov    $0x1,%esi
  mov    %r12,%rdi
  mov    %rax,%rbp
  call   <ftok@plt>
  mov    %rax,%r13
  cmp    $0xffffffffffffffff,%rax
  je     L1
  mov    $0x1b6,%edx
  mov    $0x2,%esi
  mov    %rbp,%rdi
  call   <semget@plt>
  mov    %eax,%r12d
  cmp    $0xffffffff,%eax
  je     L111
  mov    %r13,%rdi
  mov    $0x1b6,%edx
  mov    $0x32,%esi
  call   <shmget@plt>
  mov    %eax,%edi
  cmp    $0xffffffff,%eax
  je     L144
  xor    %edx,%edx
  xor    %esi,%esi
  call   <shmat@plt>
  mov    %rax,%rbp
  test   %rax,%rax
  je     L60
  mov    D24(%rip),%rax
  mov    %rsp,%r13
  mov    $0x2,%edx
  mov    %r12d,%edi
  mov    %r13,%rsi
  movq   $0x0,(%rsp)
  movq   $0x0,0x8(%rsp)
  mov    %rax,0x10(%rsp)
  movq   $0x0,0x18(%rsp)
  call   <semop@plt>
  cmp    $0xffffffff,%eax
  je     L155
  lea    D5(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcpy@plt>
  mov    $0x2,%edx
  mov    %r13,%rsi
  mov    %r12d,%edi
  movq   $0x0,0x8(%rsp)
  mov    D74(%rip),%rax
  movq   $0x0,0x18(%rsp)
  mov    %rax,(%rsp)
  mov    D35(%rip),%rax
  mov    %rax,0x10(%rsp)
  call   <semop@plt>
  cmp    $0xffffffff,%eax
  je     L155
  mov    %rbp,%rdi
  call   <shmdt@plt>
  mov    %eax,%r12d
  cmp    $0xffffffff,%eax
  je     L43
  xor    %r12d,%r12d
L58:
  mov    0x28(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L141
  add    $0x30,%rsp
  mov    %r12d,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L155:
  lea    D116(%rip),%rdi
  or     $0xffffffff,%r12d
  call   <printf@plt>
  jmp    L58
L1:
  lea    D79(%rip),%rdi
  or     $0xffffffff,%r12d
  call   <printf@plt>
  jmp    L58
L8:
  lea    D41(%rip),%rdi
  or     $0xffffffff,%r12d
  call   <printf@plt>
  jmp    L58
L144:
  lea    D4(%rip),%rdi
  or     $0xffffffff,%r12d
  call   <printf@plt>
  jmp    L58
L111:
  lea    D60(%rip),%rdi
  call   <printf@plt>
  jmp    L58
L60:
  lea    D110(%rip),%rdi
  or     $0xffffffff,%r12d
  call   <printf@plt>
  jmp    L58
L43:
  lea    D20(%rip),%rdi
  call   <printf@plt>
  jmp    L58
L141:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: data_tag: D119
type_guessed: string
name: read_data
arguments: data_tag: D24
type_guessed: byte[8]
name: read_data
arguments: data_tag: D5
type_guessed: string
name: read_data
arguments: data_tag: D74
type_guessed: byte[8]
name: read_data
arguments: data_tag: D35
type_guessed: byte[8]
name: read_data
arguments: data_tag: D116
type_guessed: string
name: read_data
arguments: data_tag: D79
type_guessed: string
name: read_data
arguments: data_tag: D41
type_guessed: string
name: read_data
arguments: data_tag: D4
type_guessed: string
name: read_data
arguments: data_tag: D60
type_guessed: string
name: read_data
arguments: data_tag: D110
type_guessed: string
name: read_data
arguments: data_tag: D20
type_guessed: string

tool: D119: /dev/null

tool: {"D24": [0x00,0x00,0x00,0x00,0x01,0x00,0x00,0x00]}

tool: D5: Hello from Client

tool: {"D74": [0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff]}

tool: {"D35": [0x01,0x00,0x00,0x00,0x01,0x00,0x00,0x00]}

tool: D116: main: semop() failed


tool: D79: main: ftok() for shm failed


tool: D41: main: ftok() for sem failed


tool: D4: main: shmget() failed


tool: D60: main: semget() failed


tool: D110: main: shmat() failed


tool: D20: main: shmdt() failed


assistant: ```c
int main(int argc, char *argv[]) {
  struct sembuf operations[2];
  void *shm_address;
  int semid, shmid, rc;
  key_t semkey, shmkey;
  semkey = ftok("/dev/null", 1);
  if (semkey == (key_t)-1) {
    printf("main: ftok() for sem failed\n");
    return -1;
  }
  shmkey = ftok("/dev/null", 1);
  if (shmkey == (key_t)-1) {
    printf("main: ftok() for shm failed\n");
    return -1;
  }
  semid = semget(semkey, 2, 0666);
  if (semid == -1) {
    printf("main: semget() failed\n");
    return -1;
  }
  shmid = shmget(shmkey, 50, 0666);
  if (shmid == -1) {
    printf("main: shmget() failed\n");
    return -1;
  }
  shm_address = shmat(shmid, NULL, 0);
  if (shm_address == NULL) {
    printf("main: shmat() failed\n");
    return -1;
  }
  operations[0].sem_num = 0;
  operations[0].sem_op = 0;
  operations[0].sem_flg = 0;
  operations[1].sem_num = 0;
  operations[1].sem_op = 1;
  operations[1].sem_flg = 0;
  rc = semop(semid, operations, 2);
  if (rc == -1) {
    printf("main: semop() failed\n");
    return -1;
  }
  strcpy((char *)shm_address, "Hello from Client");
  operations[0].sem_num = 0;
  operations[0].sem_op = -1;
  operations[0].sem_flg = 0;
  operations[1].sem_num = 1;
  operations[1].sem_op = 1;
  operations[1].sem_flg = 0;
  rc = semop(semid, operations, 2);
  if (rc == -1) {
    printf("main: semop() failed\n");
    return -1;
  }
  rc = shmdt(shm_address);
  if (rc == -1) {
    printf("main: shmdt() failed\n");
    return -1;
  }
  return 0;
}
```