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

```asm
<compath>:
  endbr64
  movzbl (%rdi),%eax
  cmp    $0x2f,%al
  jne    L257
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbp
  mov    %rdi,%rbx
  lea    D10(%rip),%r14
  lea    D31(%rip),%r15
  lea    D1(%rip),%r13
  jmp    L180
L138:
  add    $0x1,%rbx
L122:
  movzbl (%rbx),%eax
  test   %al,%al
  je     L230
L180:
  cmp    $0x2f,%al
  jne    L138
  lea    0x1(%rbx),%r12
  movzbl 0x1(%rbx),%eax
  cmp    $0x2e,%al
  je     L155
  cmp    $0x2f,%al
  je     L275
  test   %al,%al
  je     L1
  add    $0x2,%rbx
  jmp    L122
L1:
  cmp    %rbx,%rbp
  jae    L230
  movb   $0x0,(%rbx)
L230:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L275:
  mov    %r12,%rsi
L111:
  add    $0x1,%rsi
  cmpb   $0x2f,(%rsi)
  je     L111
  mov    %r12,%rdi
  call   <strcpy@plt>
  jmp    L122
L155:
  mov    %r14,%rsi
  mov    %r12,%rdi
  call   <strcmp@plt>
  test   %eax,%eax
  je     L270
  mov    %r15,%rsi
  mov    %r12,%rdi
  call   <strcmp@plt>
  test   %eax,%eax
  je     L194
  mov    %r13,%rsi
  mov    %r12,%rdi
  call   <has_prefix@plt>
  test   %eax,%eax
  jne    L116
  lea    D40(%rip),%rsi
  mov    %r12,%rdi
  call   <has_prefix@plt>
  test   %eax,%eax
  jne    L117
  mov    %r12,%rbx
  jmp    L122
L270:
  add    $0x1,%rbp
  cmp    %rbp,%r12
  cmova  %rbx,%r12
  movb   $0x0,(%r12)
  jmp    L230
L194:
  sub    $0x1,%rbx
  cmp    %rbx,%rbp
  jae    L140
L71:
  cmpb   $0x2f,(%rbx)
  je     L268
  sub    $0x1,%rbx
  cmp    %rbx,%rbp
  jne    L71
L140:
  lea    0x1(%rbp),%rbx
  jmp    L256
L268:
  cmp    %rbx,%rbp
  jae    L140
L256:
  movb   $0x0,(%rbx)
  jmp    L230
L116:
  lea    -0x1(%rbx),%rax
  cmp    %rax,%rbp
  jae    L229
L102:
  cmpb   $0x2f,(%rax)
  je     L229
  sub    $0x1,%rax
  cmp    %rax,%rbp
  jne    L102
  mov    %rbp,%rax
L229:
  cmp    %rax,%rbp
  cmovae %rbp,%rax
  mov    %rax,%r12
  mov    %r13,%rdi
  call   <LEN@plt>
  movslq %eax,%rsi
  add    %rbx,%rsi
  mov    %r12,%rdi
  call   <strcpy@plt>
  mov    %r12,%rbx
  jmp    L122
L117:
  lea    D40(%rip),%rdi
  call   <LEN@plt>
  movslq %eax,%rsi
  add    %rbx,%rsi
  mov    %rbx,%rdi
  call   <strcpy@plt>
  jmp    L122
L257:
  ret
```

tool_calls: name: disassemble_data
arguments: data_label: D10
datatype: string
name: disassemble_data
arguments: data_label: D31
datatype: string
name: disassemble_data
arguments: data_label: D1
datatype: string
name: disassemble_data
arguments: data_label: D40
datatype: string

tool: D10: .

tool: D31: ..

tool: D1: ../

tool: D40: ./

assistant: ```c
void compath(char *f) {
  char *cp, *dp;
  if (*f != '/')
    return;
  for (cp = f; *cp;) {
    if (*cp != '/') {
      cp++;
      continue;
    }
    switch (*++cp) {
    case 0:
      if (--cp > f)
        *cp = '\0';
      return;
    case '/':
      for (dp = cp; *dp == '/'; dp++)
        continue;
      strcpy(cp--, dp);
      continue;
    case '.':
      if (strcmp(cp, ".") == 0) {
        if (cp > f + 1)
          cp--;
        *cp = '\0';
        return;
      }
      if (strcmp(cp, "..") == 0) {
        for (cp -= 2; cp > f; cp--)
          if (*cp == '/')
            break;
        if (cp <= f)
          cp = f + 1;
        *cp = '\0';
        return;
      }
      if (has_prefix(cp, "../")) {
        for (dp = cp - 2; dp > f; dp--)
          if (*dp == '/')
            break;
        if (dp <= f)
          dp = f;
        strcpy(dp, cp + LEN("../") - 1);
        cp = dp;
        continue;
      }
      if (has_prefix(cp, "./")) {
        strcpy(cp - 1, cp + LEN("./") - 1);
        cp--;
        continue;
      }
      continue;
    default:
      cp++;
      continue;
    }
  }
}
```