user: What is the c source code of the assembly code below:

```asm
<relative_filename>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %rdi,%rbx
  cmpb   $0x0,0x1(%rsi)
  je     L5
  mov    %rsi,%rbp
  movzbl (%rsi),%edx
  mov    $0x0,%eax
  mov    $0x0,%r12d
  test   %dl,%dl
  je     L108
L32:
  mov    %eax,%r12d
  cmp    %dl,(%rbx,%rax,1)
  jne    L144
  lea    0x1(%rax),%r12d
  add    $0x1,%rax
  movzbl 0x0(%rbp,%rax,1),%edx
  test   %dl,%dl
  jne    L32
L108:
  cmpb   $0x2f,(%rbx,%rax,1)
  je     L143
L182:
  mov    %r12d,%esi
  mov    %rbp,%rdi
  call   <path_component@plt>
  test   %eax,%eax
  jne    L91
L150:
  test   %r12d,%r12d
  jle    L9
  movslq %r12d,%rax
  lea    -0x1(%rbx,%rax,1),%rax
L197:
  cmpb   $0x2f,(%rax)
  je     L9
  sub    $0x1,%rax
  sub    $0x1,%r12d
  jne    L197
L9:
  lea    0x1(%r12),%eax
  cltq
  add    %rbp,%rax
  movzbl (%rax),%edx
  test   %dl,%dl
  je     L139
  mov    $0x1,%r14d
L157:
  cmp    $0x2f,%dl
  sete   %dl
  movzbl %dl,%edx
  add    %edx,%r14d
  add    $0x1,%rax
  movzbl (%rax),%edx
  test   %dl,%dl
  jne    L157
  cmp    $0x2,%r14d
  jg     L237
  movslq %r12d,%r12
  add    %r12,%rbx
  mov    %rbx,%rdi
  call   <strlen@plt>
  mov    %eax,%r13d
  lea    (%r14,%r14,2),%eax
  mov    %eax,0xc(%rsp)
  lea    0x1(%r13,%rax,1),%edi
  call   <xmalloc@plt>
  mov    %rax,%rbp
  test   %r14d,%r14d
  jle    L125
L99:
  mov    %rax,%r12
  lea    -0x1(%r14),%edx
  lea    (%rdx,%rdx,2),%rdx
  lea    0x3(%rax,%rdx,1),%r15
  lea    D9(%rip),%r14
L80:
  mov    $0x3,%edx
  mov    %r14,%rsi
  mov    %r12,%rdi
  call   <memcpy@plt>
  add    $0x3,%r12
  cmp    %r15,%r12
  jne    L80
L125:
  lea    0x1(%r13),%edx
  movslq 0xc(%rsp),%rdi
  add    %rbp,%rdi
  mov    %rbx,%rsi
  call   <memcpy@plt>
L163:
  mov    %rbp,%rax
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L5:
  cmpb   $0x0,0x1(%rdi)
  jne    L77
  call   <xstrdup@plt>
  mov    %rax,%rbp
  jmp    L163
L77:
  lea    0x1(%rdi),%rdi
  call   <xstrdup@plt>
  mov    %rax,%rbp
  jmp    L163
L144:
  test   %dl,%dl
  jne    L182
  jmp    L108
L143:
  lea    0x1(%rbx,%rax,1),%rdi
  call   <xstrdup@plt>
  mov    %rax,%rbp
  jmp    L163
L91:
  mov    %r12d,%esi
  mov    %rbx,%rdi
  call   <path_component@plt>
  test   %eax,%eax
  je     L150
  jmp    L9
L237:
  mov    %rbx,%rdi
  call   <xstrdup@plt>
  mov    %rax,%rbp
  jmp    L163
L139:
  movslq %r12d,%r12
  add    %r12,%rbx
  mov    %rbx,%rdi
  call   <strlen@plt>
  mov    %eax,%r13d
  lea    0x4(%rax),%edi
  call   <xmalloc@plt>
  mov    %rax,%rbp
  mov    $0x1,%r14d
  movl   $0x3,0xc(%rsp)
  jmp    L99
```

tool_calls: name: unpack_data
arguments: data_tag: D9
type_infered: string

tool: D9: ../

assistant: ```c
char *relative_filename(const char *f, const char *cwd) {
  int i, tlen, dotdot, len, clen = 0;
  char *filename;
  if (cwd[1] == 0) {
    if (f[1] == 0)
      return xstrdup(f);
    return xstrdup(f + 1);
  }
  while (cwd[clen] && cwd[clen] == f[clen])
    clen++;
  if (!cwd[clen] && f[clen] == '/') {
    return xstrdup(f + clen + 1);
  }
  if (!path_component(cwd, clen) || !path_component(f, clen)) {
    while (clen > 0 && f[clen - 1] != '/')
      clen--;
  }
  dotdot = 1;
  for (i = clen + 1; cwd[i]; i++) {
    if (cwd[i] == '/')
      dotdot++;
  }
  if (dotdot > 2)
    return xstrdup(f);
  tlen = strlen(f + clen);
  len = dotdot * 3 + tlen;
  filename = (char *)xmalloc(sizeof(char) * (len + 1));
  for (i = 0; i < dotdot; i++)
    memcpy(filename + i * 3, "../", 3);
  memcpy(filename + dotdot * 3, f + clen, tlen + 1);
  return filename;
}
```