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

```asm
<dirname>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x28(%rbp)
  movb   $0x2f,-0x19(%rbp)
  cmpq   $0x0,-0x28(%rbp)
  je     L90
  mov    -0x28(%rbp),%rax
  mov    $0x2f,%esi
  mov    %rax,%rdi
  call   <strrchr@plt>
  jmp    L80
L90:
  mov    $0x0,%eax
L80:
  mov    %rax,-0x18(%rbp)
  cmpq   $0x0,-0x18(%rbp)
  jne    L100
  cmpq   $0x0,-0x28(%rbp)
  je     L36
  mov    -0x28(%rbp),%rax
  mov    $0x5c,%esi
  mov    %rax,%rdi
  call   <strrchr@plt>
  jmp    L27
L36:
  mov    $0x0,%eax
L27:
  mov    %rax,-0x18(%rbp)
  cmpq   $0x0,-0x18(%rbp)
  je     L212
  mov    $0x5c,%eax
  jmp    L82
L212:
  mov    $0x2f,%eax
L82:
  mov    %al,-0x19(%rbp)
L100:
  cmpq   $0x0,-0x18(%rbp)
  je     L107
  mov    -0x18(%rbp),%rax
  cmp    -0x28(%rbp),%rax
  je     L107
  mov    -0x18(%rbp),%rax
  add    $0x1,%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L107
  mov    -0x18(%rbp),%rax
  mov    %rax,-0x10(%rbp)
  jmp    L186
L79:
  mov    -0x10(%rbp),%rax
  sub    $0x1,%rax
  movzbl (%rax),%eax
  cmp    %al,-0x19(%rbp)
  jne    L113
  subq   $0x1,-0x10(%rbp)
L186:
  mov    -0x10(%rbp),%rax
  cmp    -0x28(%rbp),%rax
  jne    L79
  jmp    L23
L113:
  nop
L23:
  mov    -0x10(%rbp),%rax
  cmp    -0x28(%rbp),%rax
  je     L107
  mov    -0x10(%rbp),%rax
  sub    -0x28(%rbp),%rax
  mov    %eax,%edx
  movsbl -0x19(%rbp),%ecx
  mov    -0x28(%rbp),%rax
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <__memrchr@plt>
  mov    %rax,-0x18(%rbp)
L107:
  cmpq   $0x0,-0x18(%rbp)
  je     L122
  mov    -0x18(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  jmp    L106
L226:
  mov    -0x8(%rbp),%rax
  sub    $0x1,%rax
  movzbl (%rax),%eax
  cmp    %al,-0x19(%rbp)
  jne    L161
  subq   $0x1,-0x8(%rbp)
L106:
  mov    -0x8(%rbp),%rax
  cmp    -0x28(%rbp),%rax
  jne    L226
  jmp    L232
L161:
  nop
L232:
  mov    -0x8(%rbp),%rax
  cmp    -0x28(%rbp),%rax
  jne    L198
  mov    -0x28(%rbp),%rax
  add    $0x1,%rax
  cmp    %rax,-0x18(%rbp)
  jne    L64
  addq   $0x1,-0x18(%rbp)
  jmp    L17
L64:
  mov    -0x28(%rbp),%rax
  add    $0x1,%rax
  mov    %rax,-0x18(%rbp)
  jmp    L17
L198:
  mov    -0x8(%rbp),%rax
  mov    %rax,-0x18(%rbp)
L17:
  mov    -0x18(%rbp),%rax
  movb   $0x0,(%rax)
  jmp    L217
L122:
  lea    D2(%rip),%rax
  mov    %rax,-0x28(%rbp)
L217:
  mov    -0x28(%rbp),%rax
  leave
  ret
```

tool_calls: name: read_data
arguments: label: D2
type_infered: string

tool: D2: .

assistant: ```c
char *dirname(char *path) {
  static const char dot[] = ".";
  char *last_slash;
  char separator = '/';
  last_slash = path != NULL ? strrchr(path, '/') : NULL;
  if (!last_slash) {
    last_slash = path != NULL ? strrchr(path, '\\') : NULL;
    separator = last_slash ? '\\' : '/';
  }
  if (last_slash != NULL && last_slash != path && last_slash[1] == '\0') {
    char *runp;
    for (runp = last_slash; runp != path; --runp)
      if (runp[-1] != separator)
        break;
    if (runp != path)
      last_slash = (char *)__memrchr(path, separator, runp - path);
  }
  if (last_slash != NULL) {
    char *runp;
    for (runp = last_slash; runp != path; --runp)
      if (runp[-1] != separator)
        break;
    if (runp == path) {
      if (last_slash == path + 1)
        ++last_slash;
      else
        last_slash = path + 1;
    } else
      last_slash = runp;
    last_slash[0] = '\0';
  } else
    path = (char *)dot;
  return path;
}
```