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

```asm
<wfile_remove_dots>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  sub    $0x8,%rsp
  movsbl (%rdi),%edi
  cmp    $0x2e,%dil
  je     L233
  test   %dil,%dil
  je     L208
L313:
  mov    %rbp,%r15
  xor    %r12d,%r12d
  mov    $0xffffffffffffffff,%r13
  xor    %ebx,%ebx
  xor    %r14d,%r14d
  jmp    L222
  nop
L315:
  test   %r12d,%r12d
  je     L94
  call   <wfile_eitherslash@plt>
  test   %rax,%rax
  je     L189
  cmpb   $0x2e,0x1(%rbp,%r14,1)
  je     L265
L189:
  movsbl (%r15),%edi
L125:
  call   <wfile_eitherslash@plt>
  test   %rax,%rax
  jne    L173
L243:
  movzbl (%r15),%eax
  add    $0x1,%ebx
  movslq %ebx,%r14
  cmp    $0x2e,%al
  mov    $0xffffffff,%eax
  lea    0x0(%rbp,%r14,1),%r15
  cmovne %eax,%r12d
L120:
  movsbl (%r15),%edi
  test   %dil,%dil
  je     L208
L222:
  test   %r13d,%r13d
  jns    L315
L94:
  cmp    $0xffffffff,%r13d
  jne    L125
  cmp    $0x2e,%dil
  je     L152
L123:
  call   <wfile_eitherslash@plt>
  test   %rax,%rax
  je     L250
  add    $0x1,%ebx
  xor    %r12d,%r12d
  movslq %ebx,%r14
  lea    0x0(%rbp,%r14,1),%r15
  movsbl (%r15),%edi
  test   %dil,%dil
  jne    L222
L208:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   (%rax)
L250:
  movslq %ebx,%r13
  jmp    L243
  nopl   (%rax)
L173:
  add    $0x1,%ebx
  xor    %r12d,%r12d
  mov    $0xffffffffffffffff,%r13
  movslq %ebx,%r14
  lea    0x0(%rbp,%r14,1),%r15
  jmp    L120
  nop
L152:
  lea    0x1(%rbp,%r14,1),%r14
  movsbl (%r14),%edi
  call   <wfile_eitherslash@plt>
  test   %rax,%rax
  jne    L299
  cmpb   $0x0,(%r14)
  je     L0
  movsbl (%r15),%edi
  jmp    L123
  nopw   0x0(%rax,%rax,1)
L265:
  cmpb   $0x2e,0x2(%rbp,%r14,1)
  jne    L189
  lea    0x3(%rbp,%r14,1),%r14
  movsbl (%r14),%edi
  call   <wfile_eitherslash@plt>
  test   %rax,%rax
  jne    L203
  cmpb   $0x0,(%r14)
  jne    L189
L47:
  lea    0x3(%rbx),%ecx
L191:
  movslq %ecx,%rcx
  movslq %r13d,%rsi
  lea    0x1(%r13),%eax
  movzbl 0x0(%rbp,%rcx,1),%edx
  sub    %rsi,%rcx
  cltq
  add    %rbp,%rcx
  test   %dl,%dl
  je     L93
  nopl   0x0(%rax,%rax,1)
L200:
  mov    %dl,-0x1(%rbp,%rax,1)
  movslq %eax,%r13
  add    $0x1,%rax
  movzbl -0x1(%rcx,%rax,1),%edx
  test   %dl,%dl
  jne    L200
L93:
  movb   $0x0,0x0(%rbp,%r13,1)
  mov    %rbp,%r15
  xor    %r14d,%r14d
  xor    %ebx,%ebx
  xor    %r12d,%r12d
  mov    $0xffffffffffffffff,%r13
  jmp    L120
  nopl   0x0(%rax)
L233:
  cmpb   $0x0,0x1(%rbp)
  jne    L313
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax)
L299:
  cmpb   $0x0,(%r14)
  lea    0x2(%rbx),%ecx
  je     L0
L256:
  movslq %ecx,%rcx
  movslq %ebx,%rsi
  lea    0x1(%rbx),%eax
  movzbl 0x0(%rbp,%rcx,1),%edx
  sub    %rsi,%rcx
  cltq
  add    %rbp,%rcx
  test   %dl,%dl
  je     L91
  nopl   0x0(%rax,%rax,1)
L66:
  mov    %dl,-0x1(%rbp,%rax,1)
  mov    %eax,%ebx
  add    $0x1,%rax
  movzbl -0x1(%rcx,%rax,1),%edx
  test   %dl,%dl
  jne    L66
L91:
  movslq %ebx,%rbx
  mov    %rbp,%r15
  xor    %r14d,%r14d
  xor    %r12d,%r12d
  movb   $0x0,0x0(%rbp,%rbx,1)
  xor    %ebx,%ebx
  jmp    L120
  nopl   0x0(%rax,%rax,1)
L0:
  lea    0x1(%rbx),%ecx
  jmp    L256
L203:
  cmpb   $0x0,(%r14)
  lea    0x4(%rbx),%ecx
  jne    L191
  jmp    L47
```

assistant: ```c
void wfile_remove_dots(char *s) {
  int i, j, ppos, nondot;
  if (s[0] == '.' && s[1] == '\0')
    return;
  ppos = -1;
  nondot = 0;
  for (i = 0; s[i] != '\0'; i++) {
    if (ppos >= 0 && nondot && wfile_eitherslash(s[i]) && s[i + 1] == '.' && s[i + 2] == '.' && (wfile_eitherslash(s[i + 3]) || s[i + 3] == '\0')) {
      for (j = s[i + 3] == '\0' ? i + 3 : i + 4; s[j] != '\0'; j++)
        s[ppos++] = s[j];
      s[ppos] = '\0';
      ppos = -1;
      nondot = 0;
      i = -1;
      continue;
    }
    if (ppos < 0 && s[i] == '.' && (wfile_eitherslash(s[i + 1]) || s[i + 1] == '\0')) {
      for (ppos = i, j = (s[i + 1] == '\0') ? i + 1 : i + 2; s[j] != '\0'; j++)
        s[ppos++] = s[j];
      s[ppos] = '\0';
      ppos = -1;
      nondot = 0;
      i = -1;
      continue;
    }
    if (wfile_eitherslash(s[i])) {
      ppos = -1;
      nondot = 0;
    } else {
      if (ppos < 0)
        ppos = i;
      if (s[i] != '.')
        nondot = -1;
    }
  }
}
```