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

```asm
<FS_Dir_f>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x830,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movq   $0x0,-0x828(%rbp)
  movq   $0x2a2e2a,-0x410(%rbp)
  movq   $0x0,-0x408(%rbp)
  lea    -0x400(%rbp),%rdx
  mov    $0x0,%eax
  mov    $0x7e,%ecx
  mov    %rdx,%rdi
  rep stos %rax,%es:(%rdi)
  mov    $0x0,%eax
  call   <Cmd_Argc@plt>
  cmp    $0x1,%eax
  je     L85
  mov    $0x1,%edi
  mov    $0x0,%eax
  call   <Cmd_Argv@plt>
  mov    %eax,%ecx
  lea    -0x410(%rbp),%rax
  mov    $0x400,%edx
  mov    %ecx,%esi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <com_strlcpy@plt>
  jmp    L85
L101:
  lea    -0x810(%rbp),%rax
  mov    %rax,-0x820(%rbp)
  lea    -0x410(%rbp),%rcx
  mov    -0x828(%rbp),%rdx
  lea    -0x810(%rbp),%rax
  mov    %rcx,%r9
  mov    $0x2f,%r8d
  mov    %rdx,%rcx
  lea    D17(%rip),%rdx
  mov    $0x400,%esi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <com_snprintf@plt>
  jmp    L100
L28:
  mov    -0x820(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x5c,%al
  jne    L35
  mov    -0x820(%rbp),%rax
  movb   $0x2f,(%rax)
L35:
  addq   $0x1,-0x820(%rbp)
L100:
  mov    -0x820(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L28
  lea    -0x810(%rbp),%rax
  mov    %rax,%rsi
  lea    D50(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <Com_Printf@plt>
  lea    D43(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <Com_Printf@plt>
  lea    -0x830(%rbp),%rsi
  lea    -0x810(%rbp),%rax
  mov    $0x0,%ecx
  mov    $0x0,%edx
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <FS_ListFiles@plt>
  cltq
  mov    %rax,-0x818(%rbp)
  cmpq   $0x0,-0x818(%rbp)
  je     L39
  movl   $0x0,-0x82c(%rbp)
  jmp    L97
L68:
  mov    -0x82c(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x818(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  mov    $0x2f,%esi
  mov    %rax,%rdi
  call   <strrchr@plt>
  test   %rax,%rax
  je     L95
  mov    -0x82c(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x818(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  mov    $0x2f,%esi
  mov    %rax,%rdi
  call   <strrchr@plt>
  add    $0x1,%rax
  mov    %rax,%rsi
  lea    D52(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <Com_Printf@plt>
  jmp    L54
L95:
  mov    -0x82c(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x818(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  mov    %rax,%rsi
  lea    D52(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <Com_Printf@plt>
L54:
  mov    -0x82c(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x818(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <Memory_free@plt>
  mov    -0x82c(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x818(%rbp),%rax
  add    %rdx,%rax
  movq   $0x0,(%rax)
  addl   $0x1,-0x82c(%rbp)
L97:
  mov    -0x830(%rbp),%eax
  sub    $0x1,%eax
  cmp    %eax,-0x82c(%rbp)
  jl     L68
  mov    -0x818(%rbp),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <Memory_free@plt>
  movq   $0x0,-0x818(%rbp)
L39:
  lea    D15(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <Com_Printf@plt>
L85:
  mov    -0x828(%rbp),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <FS_NextPath@plt>
  cltq
  mov    %rax,-0x828(%rbp)
  cmpq   $0x0,-0x828(%rbp)
  jne    L101
  nop
  mov    -0x8(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L57
  call   <__stack_chk_fail@plt>
L57:
  leave
  ret
```

tool_calls: name: read_data
arguments: label: D17
datatype: string
name: read_data
arguments: label: D50
datatype: string
name: read_data
arguments: label: D43
datatype: string
name: read_data
arguments: label: D52
datatype: string
name: read_data
arguments: label: D15
datatype: string

tool: D17: %s%c%s

tool: D50: Directory of %s


tool: D43: ----


tool: D52: %s


tool: D15: 


assistant: ```c
void FS_Dir_f(void) {
  char *path = ((void *)0);
  char findname[1024];
  char wildcard[1024] = "*.*";
  char **dirnames;
  int ndirs;
  if (Cmd_Argc() != 1) {
    com_strlcpy(wildcard, Cmd_Argv(1), sizeof(wildcard));
  }
  while ((path = FS_NextPath(path)) != ((void *)0)) {
    char *tmp = findname;
    com_snprintf(findname, sizeof(findname), "%s%c%s", path, '/', wildcard);
    while (*tmp != 0) {
      if (*tmp == '\\')
        *tmp = '/';
      tmp++;
    }
    Com_Printf("Directory of %s\n", findname);
    Com_Printf("----\n");
    if ((dirnames = FS_ListFiles(findname, &ndirs, 0, 0)) != 0) {
      int i;
      for (i = 0; i < ndirs - 1; i++) {
        if (strrchr(dirnames[i], '/'))
          Com_Printf("%s\n", strrchr(dirnames[i], '/') + 1);
        else
          Com_Printf("%s\n", dirnames[i]);
        {
          Memory_free((dirnames[i]));
          ((dirnames[i])) = ((void *)0);
        };
      }
      {
        Memory_free((dirnames));
        ((dirnames)) = ((void *)0);
      };
    }
    Com_Printf("\n");
  };
}
```