user: Converte this assembly snippet into its equivalent C code:

```asm
<iptables_list_chain>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x2c0,%rsp
  mov    %rdi,-0x2a8(%rbp)
  mov    %rsi,-0x2b0(%rbp)
  mov    %rdx,-0x2b8(%rbp)
  mov    %rcx,-0x2c0(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    $0x80000,%edi
  call   <malloc@plt>
  mov    %rax,-0x298(%rbp)
  cmpq   $0x0,-0x2c0(%rbp)
  je     L79
  mov    -0x2a8(%rbp),%rcx
  lea    -0x280(%rbp),%rax
  sub    $0x8,%rsp
  lea    D31(%rip),%rdx
  push   %rdx
  mov    %rcx,%r9
  lea    D76(%rip),%r8
  lea    D64(%rip),%rdx
  mov    %rdx,%rcx
  lea    D57(%rip),%rdx
  mov    $0x64,%esi
  mov    %rax,%rdi
  call   <snprintf@plt>
  add    $0x10,%rsp
  jmp    L0
L79:
  mov    -0x2a8(%rbp),%rcx
  lea    -0x280(%rbp),%rax
  sub    $0x8,%rsp
  lea    D31(%rip),%rdx
  push   %rdx
  mov    %rcx,%r9
  lea    D6(%rip),%r8
  lea    D64(%rip),%rdx
  mov    %rdx,%rcx
  lea    D57(%rip),%rdx
  mov    $0x64,%esi
  mov    %rax,%rdi
  call   <snprintf@plt>
  add    $0x10,%rsp
L0:
  lea    -0x280(%rbp),%rax
  lea    D35(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <popen@plt>
  mov    %rax,-0x290(%rbp)
  cmpq   $0x0,-0x290(%rbp)
  jne    L64
  mov    -0x298(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    $0x1,%eax
  jmp    L60
L64:
  mov    -0x298(%rbp),%rax
  movb   $0x0,(%rax)
  jmp    L78
L5:
  mov    -0x298(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    $0x7ffff,%edx
  sub    %eax,%edx
  lea    -0x210(%rbp),%rcx
  mov    -0x298(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strncat@plt>
L78:
  mov    -0x290(%rbp),%rdx
  lea    -0x210(%rbp),%rax
  mov    $0x200,%esi
  mov    %rax,%rdi
  call   <fgets@plt>
  test   %rax,%rax
  jne    L5
  movq   $0x0,-0x2a0(%rbp)
  mov    -0x298(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  cltq
  mov    %rax,-0x288(%rbp)
  mov    -0x298(%rbp),%rdx
  mov    -0x288(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  mov    -0x288(%rbp),%rax
  add    $0x1,%rax
  cmp    %rax,-0x2b8(%rbp)
  jae    L31
  movq   $0x1,-0x2a0(%rbp)
  jmp    L45
L31:
  mov    -0x288(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    -0x298(%rbp),%rcx
  mov    -0x2b0(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <memcpy@plt>
L45:
  mov    -0x298(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    -0x290(%rbp),%rax
  mov    %rax,%rdi
  call   <pclose@plt>
  mov    -0x2a0(%rbp),%rax
L60:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L12
  call   <__stack_chk_fail@plt>
L12:
  leave
  ret
```

tool_calls: name: parse_data
arguments: data_label: D31
type_infered: string
name: parse_data
arguments: data_label: D76
type_infered: string
name: parse_data
arguments: data_label: D64
type_infered: string
name: parse_data
arguments: data_label: D57
type_infered: string
name: parse_data
arguments: data_label: D6
type_infered: string
name: parse_data
arguments: data_label: D35
type_infered: string

tool: D31: -n

tool: D76: -w -L

tool: D64: iptables

tool: D57: %s %s %s %s

tool: D6: -L

tool: D35: r

assistant: ```c
size_t iptables_list_chain(const char *chain_name, char *dst, size_t sz_dst, size_t use_xlock) {
  char cmd[100];
  char *dest = (char *)malloc(524288);
  if (use_xlock)
    snprintf(cmd, 100, "%s %s %s %s", "iptables", "-w -L", chain_name, "-n");
  else
    snprintf(cmd, 100, "%s %s %s %s", "iptables", "-L", chain_name, "-n");
  FILE *in;
  extern FILE *popen();
  char buff[512];
  if (!(in = popen(cmd, "r"))) {
    free(dest);
    return 1;
  }
  *dest = 0;
  while (fgets(buff, sizeof(buff), in) != NULL) {
    strncat(dest, buff, 524288 - strlen(dest) - 1);
  }
  size_t rc = 0;
  size_t dest_len = strlen(dest);
  dest[dest_len] = '\0';
  if (dest_len + 1 > sz_dst) {
    rc = 1;
  } else {
    memcpy(dst, dest, dest_len + 1);
  }
  free(dest);
  pclose(in);
  return rc;
}
```