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

```asm
<get_cgroup>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x160,%rsp
  mov    %edi,-0x154(%rbp)
  mov    %rsi,-0x160(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movq   $0x0,-0x148(%rbp)
  movq   $0x0,-0x140(%rbp)
  movq   $0x0,-0x130(%rbp)
  movq   $0x0,-0x138(%rbp)
  cmpl   $0x0,-0x154(%rbp)
  je     L200
  mov    -0x154(%rbp),%edx
  lea    -0x110(%rbp),%rax
  mov    %edx,%ecx
  lea    D3(%rip),%rdx
  mov    $0x100,%esi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <snprintf@plt>
  mov    %eax,-0x14c(%rbp)
  jmp    L141
L200:
  lea    -0x110(%rbp),%rax
  lea    D20(%rip),%rdx
  mov    $0x100,%esi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <snprintf@plt>
  mov    %eax,-0x14c(%rbp)
L141:
  cmpl   $0x0,-0x14c(%rbp)
  js     L69
  cmpl   $0xff,-0x14c(%rbp)
  jle    L143
L69:
  mov    $0x0,%eax
  jmp    L62
L143:
  lea    -0x110(%rbp),%rax
  lea    D32(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <fopen@plt>
  mov    %rax,-0x128(%rbp)
  cmpq   $0x0,-0x128(%rbp)
  jne    L128
  mov    $0x0,%eax
  jmp    L62
L70:
  mov    -0x148(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L212
  jmp    L128
L212:
  mov    -0x148(%rbp),%rax
  mov    $0x3a,%esi
  mov    %rax,%rdi
  call   <strchr@plt>
  mov    %rax,-0x120(%rbp)
  cmpq   $0x0,-0x120(%rbp)
  je     L91
  addq   $0x1,-0x120(%rbp)
  mov    -0x120(%rbp),%rax
  mov    $0x3a,%esi
  mov    %rax,%rdi
  call   <strchr@plt>
  mov    %rax,-0x118(%rbp)
  cmpq   $0x0,-0x118(%rbp)
  je     L20
  mov    -0x118(%rbp),%rax
  movb   $0x0,(%rax)
  mov    -0x160(%rbp),%rdx
  mov    -0x120(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <controller_in_clist@plt>
  test   %eax,%eax
  jne    L178
  jmp    L128
L178:
  addq   $0x1,-0x118(%rbp)
  mov    -0x118(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %rax,-0x130(%rbp)
  cmpq   $0x0,-0x130(%rbp)
  je     L125
  mov    -0x130(%rbp),%rax
  lea    -0x1(%rax),%rdx
  mov    -0x118(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0xa,%al
  jne    L125
  mov    -0x130(%rbp),%rax
  lea    -0x1(%rax),%rdx
  mov    -0x118(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
L125:
  mov    -0x118(%rbp),%rax
  lea    D30(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L144
  mov    -0x118(%rbp),%rax
  mov    %rax,%rdi
  call   <strdup@plt>
  mov    %rax,-0x138(%rbp)
  jmp    L138
L128:
  mov    -0x128(%rbp),%rdx
  lea    -0x140(%rbp),%rcx
  lea    -0x148(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <getline@plt>
  cmp    $0xffffffff,%eax
  jne    L70
  jmp    L138
L91:
  nop
  jmp    L138
L20:
  nop
  jmp    L138
L144:
  nop
L138:
  mov    -0x128(%rbp),%rax
  mov    %rax,%rdi
  call   <fclose@plt>
  mov    -0x148(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    -0x138(%rbp),%rax
L62:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L96
  call   <__stack_chk_fail@plt>
L96:
  leave
  ret
```

tool_calls: name: parse_data
arguments: data_tag: D3
type_guessed: string
name: parse_data
arguments: data_tag: D20
type_guessed: string
name: parse_data
arguments: data_tag: D32
type_guessed: string
name: parse_data
arguments: data_tag: D30
type_guessed: string

tool: D3: /proc/%d/cgroup

tool: D20: /proc/self/cgroup

tool: D32: r

tool: D30: /

assistant: ```c
char *get_cgroup(pid_t pid, const char *contrl) {
  char fn[256];
  FILE *f;
  char *line = NULL;
  size_t len = 0;
  size_t l = 0;
  int ret;
  char *cgrp = NULL;
  char *c1, *c2;
  if (pid) {
    ret = snprintf(fn, 256, "/proc/%d/cgroup", pid);
  } else {
    ret = snprintf(fn, 256, "/proc/self/cgroup");
  }
  if (ret < 0 || ret >= 256)
    return NULL;
  if (!(f = fopen(fn, "r")))
    return NULL;
  while (getline(&line, &len, f) != -1) {
    if (!line[0])
      continue;
    c1 = strchr(line, ':');
    if (!c1)
      goto out;
    c1++;
    c2 = strchr(c1, ':');
    if (!c2)
      goto out;
    *c2 = '\0';
    if (!controller_in_clist(c1, contrl))
      continue;
    c2++;
    l = strlen(c2);
    if (l && c2[l - 1] == '\n')
      c2[l - 1] = '\0';
    if (strcmp(c2, "/") == 0)
      goto out;
    cgrp = strdup(c2);
    break;
  }
out:
  fclose(f);
  free(line);
  return cgrp;
}
```