user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<relatepaths>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  mov    %rsi,%r13
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  push   %rbx
  mov    %rdx,%rbx
  sub    $0x118,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x108(%rsp)
  xor    %eax,%eax
  test   %rdi,%rdi
  je     L137
  cmpb   $0x2f,(%rdi)
  je     L161
L137:
  lea    D22(%rip),%rdi
  call   <fail@plt>
L161:
  test   %r13,%r13
  je     L139
  movzbl 0x0(%r13),%eax
  cmp    $0x2f,%al
  je     L2
L139:
  lea    D4(%rip),%rdi
  call   <fail@plt>
  movzbl 0x0(%r13),%eax
L2:
  cmp    %al,(%r12)
  jne    L79
  test   %al,%al
  je     L79
  mov    %r13,%rbp
  jmp    L101
  nopl   (%rax)
L154:
  test   %al,%al
  je     L179
L101:
  mov    %rbp,%rdx
  add    $0x1,%r12
  add    $0x1,%rbp
  mov    %eax,%ecx
  movzbl 0x0(%rbp),%eax
  cmp    %al,(%r12)
  je     L154
L179:
  cmp    $0x2f,%cl
  je     L142
L10:
  mov    %rbp,%rdx
  sub    $0x1,%rbp
  sub    $0x1,%r12
  cmpb   $0x2f,-0x1(%rbp)
  jne    L10
  sub    $0x2,%rdx
L142:
  cmp    %rdx,%r13
  je     L73
  mov    %rbx,%r15
  xor    %r13d,%r13d
  mov    %rsp,%r14
  jmp    L198
  nopl   0x0(%rax)
L181:
  movl   $0x2f2e2e,(%r15)
  add    $0x3,%r13d
  add    $0x3,%r15
L198:
  mov    %r12,%rdi
  mov    %r14,%rsi
  call   <getcomponent@plt>
  mov    %rax,%r12
  test   %rax,%rax
  jne    L181
  lea    D15(%rip),%r15
  jmp    L107
  nopl   0x0(%rax,%rax,1)
L45:
  movslq %r13d,%r12
  mov    %r14,%rdx
  mov    %r15,%rsi
  add    %rbx,%r12
  mov    %r12,%rdi
  call   <sprintf@plt>
  mov    %r12,%rdi
  call   <strlen@plt>
  add    %eax,%r13d
L107:
  mov    %rbp,%rdi
  mov    %r14,%rsi
  call   <getcomponent@plt>
  mov    %rax,%rbp
  test   %rax,%rax
  jne    L45
L148:
  mov    0x108(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L196
  add    $0x118,%rsp
  mov    %r13d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopw   0x0(%rax,%rax,1)
L73:
  mov    %r13,%rsi
  mov    %rbx,%rdi
  call   <strcpy@plt>
  mov    %rbx,%rdi
  call   <strlen@plt>
  mov    %eax,%r13d
  cltq
  add    %rbx,%rax
  cmpb   $0x2f,(%rax)
  je     L148
  add    $0x1,%r13d
  movb   $0x2f,(%rax)
  movslq %r13d,%rax
  movb   $0x0,(%rbx,%rax,1)
  jmp    L148
L79:
  movzbl -0x1(%r13),%ecx
  lea    -0x1(%r13),%rdx
  mov    %r13,%rbp
  jmp    L179
L196:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: tag: D22
datatype: string
name: retrieve_data
arguments: tag: D4
datatype: string
name: retrieve_data
arguments: tag: D15
datatype: string

tool: D22: relatepaths: from path does not start with /

tool: D4: relatepaths: to   path does not start with /

tool: D15: %s/

assistant: ```c
int relatepaths(char *from, char *to, char *outpath) {
  char *cp, *cp2;
  int len;
  char buf[256];
  if (!from || *from != '/')
    fail("relatepaths: from path does not start with /");
  if (!to || *to != '/')
    fail("relatepaths: to   path does not start with /");
  for (cp = to, cp2 = from; *cp == *cp2; cp++, cp2++)
    if (*cp == '\0')
      break;
  while (cp[-1] != '/')
    cp--, cp2--;
  if (cp - 1 == to) {
    len = strlen(strcpy(outpath, to));
    if (outpath[len] != '/') {
      outpath[len++] = '/';
      outpath[len] = '\0';
    }
  } else {
    len = 0;
    while ((cp2 = getcomponent(cp2, buf)) != 0) {
      strcpy(outpath + len, "../");
      len += 3;
    }
    while ((cp = getcomponent(cp, buf)) != 0) {
      sprintf(outpath + len, "%s/", buf);
      len += strlen(outpath + len);
    }
  }
  return len;
}
```