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

```asm
<main>:
  endbr64
  push   %r13
  xor    %eax,%eax
  lea    D39(%rip),%r13
  push   %r12
  push   %rbp
  push   %rbx
  lea    D108(%rip),%rbx
  sub    $0x8,%rsp
  call   <init@plt>
  mov    %r13,%rsi
  mov    %rax,%r12
  mov    %rax,%rdi
  call   <push@plt>
  lea    D89(%rip),%rsi
  mov    %r12,%rdi
  call   <push@plt>
  lea    D55(%rip),%rsi
  mov    %r12,%rdi
  call   <push@plt>
  lea    D62(%rip),%rdi
  call   <puts@plt>
  jmp    L16
  nopl   (%rax)
L15:
  mov    %rbx,%rdi
  mov    %rbp,%rsi
  xor    %eax,%eax
  call   <printf@plt>
  mov    %rbp,%rdi
  call   <free@plt>
L16:
  mov    $0x1,%esi
  mov    %r12,%rdi
  call   <pop@plt>
  mov    %rax,%rbp
  test   %rax,%rax
  jne    L15
  lea    D70(%rip),%rsi
  mov    %r12,%rdi
  lea    D108(%rip),%rbx
  call   <push@plt>
  lea    D79(%rip),%rsi
  mov    %r12,%rdi
  call   <push@plt>
  lea    D61(%rip),%rsi
  mov    %r12,%rdi
  call   <push@plt>
  lea    D101(%rip),%rsi
  mov    %r12,%rdi
  call   <push@plt>
  lea    D6(%rip),%rdi
  call   <puts@plt>
  jmp    L49
  nopl   0x0(%rax,%rax,1)
L12:
  mov    %rbx,%rdi
  mov    %rbp,%rsi
  xor    %eax,%eax
  call   <printf@plt>
  mov    %rbp,%rdi
  call   <free@plt>
L49:
  xor    %esi,%esi
  mov    %r12,%rdi
  call   <pop@plt>
  mov    %rax,%rbp
  test   %rax,%rax
  jne    L12
  lea    D59(%rip),%rsi
  mov    %r12,%rdi
  lea    D108(%rip),%rbx
  call   <push@plt>
  mov    %r13,%rsi
  mov    %r12,%rdi
  call   <push@plt>
  jmp    L25
  nopw   0x0(%rax,%rax,1)
L1:
  mov    %rbx,%rdi
  mov    %rbp,%rsi
  xor    %eax,%eax
  call   <printf@plt>
  mov    %rbp,%rdi
  call   <free@plt>
L25:
  mov    $0x1,%esi
  mov    %r12,%rdi
  call   <pop@plt>
  mov    %rax,%rbp
  test   %rax,%rax
  jne    L1
  mov    %r12,%rdi
  call   <kill@plt>
  add    $0x8,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

tool_calls: name: parse_data
arguments: label: D39
type_infered: string
name: parse_data
arguments: label: D108
type_infered: string
name: parse_data
arguments: label: D89
type_infered: string
name: parse_data
arguments: label: D55
type_infered: string
name: parse_data
arguments: label: D62
type_infered: string
name: parse_data
arguments: label: D70
type_infered: string
name: parse_data
arguments: label: D79
type_infered: string
name: parse_data
arguments: label: D61
type_infered: string
name: parse_data
arguments: label: D101
type_infered: string
name: parse_data
arguments: label: D6
type_infered: string
name: parse_data
arguments: label: D59
type_infered: string

tool: D39: 123

tool: D108: Last element in the list: %s


tool: D89: 456

tool: D55: 789

tool: D62: LIFO:

tool: D70: foo

tool: D79: bar

tool: D61: test123

tool: D101: test456

tool: D6: FIFO:

tool: D59: test

assistant: ```c
int main(void) {
  struct list *list = init();
  push(list, "123");
  push(list, "456");
  push(list, "789");
  char *string;
  printf("LIFO:\n");
  while ((string = pop(list, 1)) != NULL) {
    printf("Last element in the list: %s\n", string);
    free(string);
  }
  push(list, "foo");
  push(list, "bar");
  push(list, "test123");
  push(list, "test456");
  printf("FIFO:\n");
  while ((string = pop(list, 0)) != NULL) {
    printf("Last element in the list: %s\n", string);
    free(string);
  }
  push(list, "test");
  push(list, "123");
  while ((string = pop(list, 1)) != NULL) {
    printf("Last element in the list: %s\n", string);
    free(string);
  }
  kill(list);
  return 0;
}
```