user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<permute>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  mov    %rsi,%r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %edx,%ebx
  sub    $0x88,%rsp
  mov    %edx,0x18(%rsp)
  mov    %rdi,0x70(%rsp)
  call   <strlen@plt>
  lea    0x8(%rbx),%edx
  movl   $0x0,0x68(%rsp)
  movslq %edx,%rdx
  mov    %rdx,0x10(%rsp)
  test   %eax,%eax
  je     L46
  mov    0x70(%rsp),%rdi
  call   <strlen@plt>
  cmp    0x68(%rsp),%eax
  jbe    L3
L277:
  mov    0x68(%rsp),%eax
  mov    0x70(%rsp),%rdi
  mov    %rax,%rsi
  movzbl (%rdi,%rax,1),%edx
  movslq 0x18(%rsp),%rax
  mov    %dl,0x0(%r13,%rax,1)
  mov    %rax,%rbx
  call   <remove_at@plt>
  lea    0x1(%rbx),%edx
  mov    %rax,%rdi
  mov    %rax,0x58(%rsp)
  mov    %edx,0x6c(%rsp)
  call   <strlen@plt>
  movl   $0x0,0x64(%rsp)
  test   %eax,%eax
  je     L79
  mov    0x58(%rsp),%rdi
  call   <strlen@plt>
  cmp    %eax,0x64(%rsp)
  jae    L314
L258:
  mov    0x64(%rsp),%eax
  mov    0x58(%rsp),%rdi
  mov    %rax,%rsi
  movzbl (%rdi,%rax,1),%edx
  movslq 0x6c(%rsp),%rax
  mov    %dl,0x0(%r13,%rax,1)
  call   <remove_at@plt>
  mov    0x18(%rsp),%edx
  mov    %rax,%rdi
  mov    %rax,0x50(%rsp)
  lea    0x2(%rdx),%ecx
  mov    %ecx,0x60(%rsp)
  call   <strlen@plt>
  movl   $0x0,0x4c(%rsp)
  test   %eax,%eax
  je     L133
  mov    0x50(%rsp),%rdi
  call   <strlen@plt>
  cmp    %eax,0x4c(%rsp)
  jae    L138
L210:
  mov    0x4c(%rsp),%eax
  mov    0x50(%rsp),%rdi
  mov    %rax,%rsi
  movzbl (%rdi,%rax,1),%edx
  movslq 0x60(%rsp),%rax
  mov    %dl,0x0(%r13,%rax,1)
  call   <remove_at@plt>
  mov    0x18(%rsp),%edx
  mov    %rax,%rdi
  mov    %rax,0x40(%rsp)
  lea    0x3(%rdx),%ecx
  mov    %ecx,0x48(%rsp)
  call   <strlen@plt>
  movl   $0x0,0x38(%rsp)
  test   %eax,%eax
  je     L90
  mov    0x40(%rsp),%rdi
  call   <strlen@plt>
  cmp    %eax,0x38(%rsp)
  jae    L332
L248:
  mov    0x38(%rsp),%eax
  mov    0x40(%rsp),%rdi
  mov    %r13,%r14
  movzbl (%rdi,%rax,1),%edx
  mov    %rax,%rsi
  movslq 0x48(%rsp),%rax
  mov    %dl,0x0(%r13,%rax,1)
  call   <remove_at@plt>
  mov    0x18(%rsp),%edx
  mov    %rax,%rdi
  mov    %rax,0x30(%rsp)
  lea    0x4(%rdx),%ecx
  mov    %ecx,0x3c(%rsp)
  call   <strlen@plt>
  movl   $0x0,0x20(%rsp)
  test   %eax,%eax
  je     L71
  mov    0x30(%rsp),%rdi
  call   <strlen@plt>
  cmp    %eax,0x20(%rsp)
  jae    L106
L169:
  mov    0x20(%rsp),%eax
  mov    0x30(%rsp),%rdi
  mov    %rax,%rsi
  movzbl (%rdi,%rax,1),%edx
  movslq 0x3c(%rsp),%rax
  mov    %dl,(%r14,%rax,1)
  call   <remove_at@plt>
  mov    %rax,%r15
  mov    0x18(%rsp),%eax
  mov    %r15,%rdi
  add    $0x5,%eax
  mov    %eax,0x1c(%rsp)
  call   <strlen@plt>
  movl   $0x0,(%rsp)
  test   %eax,%eax
  je     L152
  mov    %r14,%r13
  mov    %r15,%r14
  mov    %r14,%rdi
  call   <strlen@plt>
  cmp    %eax,(%rsp)
  jae    L72
L66:
  mov    (%rsp),%eax
  mov    %r14,%rdi
  movzbl (%r14,%rax,1),%edx
  mov    %rax,%rsi
  movslq 0x1c(%rsp),%rax
  mov    %dl,0x0(%r13,%rax,1)
  call   <remove_at@plt>
  mov    %rax,%r15
  mov    0x18(%rsp),%eax
  mov    %r15,%rdi
  add    $0x6,%eax
  mov    %eax,0x24(%rsp)
  call   <strlen@plt>
  movl   $0x0,0x8(%rsp)
  test   %eax,%eax
  je     L142
  mov    %r14,0x28(%rsp)
  mov    %r15,%r14
  mov    %r14,%rdi
  call   <strlen@plt>
  cmp    %eax,0x8(%rsp)
  jae    L216
L69:
  mov    0x8(%rsp),%eax
  mov    %r14,%rdi
  xor    %ebx,%ebx
  lea    D73(%rip),%r15
  movzbl (%r14,%rax,1),%edx
  mov    %rax,%rsi
  movslq 0x24(%rsp),%rax
  mov    %dl,0x0(%r13,%rax,1)
  call   <remove_at@plt>
  mov    %rax,%r12
  mov    0x18(%rsp),%eax
  mov    %r12,%rdi
  add    $0x7,%eax
  mov    %eax,0xc(%rsp)
  call   <strlen@plt>
  test   %eax,%eax
  je     L257
L244:
  mov    %r12,%rdi
  call   <strlen@plt>
  cmp    %eax,%ebx
  jae    L161
  mov    %ebx,%eax
  mov    %ebx,%esi
  mov    %r12,%rdi
  movzbl (%r12,%rax,1),%edx
  movslq 0xc(%rsp),%rax
  mov    %dl,0x0(%r13,%rax,1)
  call   <remove_at@plt>
  mov    %rax,%rdi
  mov    %rax,%rbp
  call   <strlen@plt>
  movl   $0x0,0x4(%rsp)
  test   %eax,%eax
  je     L103
  mov    %rbp,%rdi
  call   <strlen@plt>
  cmp    %eax,0x4(%rsp)
  jae    L124
L32:
  mov    0x4(%rsp),%eax
  mov    0x10(%rsp),%rdx
  mov    %rbp,%rdi
  mov    %rax,%rcx
  movzbl 0x0(%rbp,%rax,1),%eax
  mov    %ecx,%esi
  mov    %al,0x0(%r13,%rdx,1)
  call   <remove_at@plt>
  mov    %r13,%rsi
  mov    %rax,%rdi
  mov    0x18(%rsp),%eax
  mov    %rdi,0x78(%rsp)
  lea    0x9(%rax),%edx
  call   <permute>
  mov    0x78(%rsp),%rdi
  call   <free@plt>
  mov    %rbp,%rdi
  addl   $0x1,0x4(%rsp)
  call   <strlen@plt>
  cmp    %eax,0x4(%rsp)
  jb     L32
  nopl   (%rax)
L124:
  mov    %rbp,%rdi
  add    $0x1,%ebx
  call   <free@plt>
  jmp    L244
  nopl   0x0(%rax,%rax,1)
L103:
  mov    0x10(%rsp),%rax
  mov    %r13,%rsi
  mov    %r15,%rdi
  add    $0x1,%ebx
  movb   $0x0,0x0(%r13,%rax,1)
  call   <printf@plt>
  mov    %rbp,%rdi
  call   <free@plt>
  jmp    L244
  cs nopw 0x0(%rax,%rax,1)
L257:
  movslq 0xc(%rsp),%rax
  mov    %r13,%rsi
  mov    %r15,%rdi
  movb   $0x0,0x0(%r13,%rax,1)
  call   <printf@plt>
L161:
  mov    %r12,%rdi
  call   <free@plt>
  mov    %r14,%rdi
  addl   $0x1,0x8(%rsp)
  call   <strlen@plt>
  cmp    %eax,0x8(%rsp)
  jb     L69
L216:
  mov    %r14,%r15
  mov    0x28(%rsp),%r14
L65:
  mov    %r15,%rdi
  call   <free@plt>
  mov    %r14,%rdi
  addl   $0x1,(%rsp)
  call   <strlen@plt>
  cmp    %eax,(%rsp)
  jb     L66
L72:
  mov    %r14,%r15
  mov    %r13,%r14
L129:
  mov    %r15,%rdi
  call   <free@plt>
  mov    0x30(%rsp),%rdi
  addl   $0x1,0x20(%rsp)
  call   <strlen@plt>
  cmp    %eax,0x20(%rsp)
  jb     L169
L106:
  mov    %r14,%r13
L105:
  mov    0x30(%rsp),%rdi
  call   <free@plt>
  mov    0x40(%rsp),%rdi
  addl   $0x1,0x38(%rsp)
  call   <strlen@plt>
  cmp    %eax,0x38(%rsp)
  jb     L248
L332:
  mov    0x40(%rsp),%rdi
  call   <free@plt>
  addl   $0x1,0x4c(%rsp)
L194:
  mov    0x50(%rsp),%rdi
  call   <strlen@plt>
  cmp    %eax,0x4c(%rsp)
  jb     L210
L138:
  mov    0x50(%rsp),%rdi
  call   <free@plt>
  addl   $0x1,0x64(%rsp)
L181:
  mov    0x58(%rsp),%rdi
  call   <strlen@plt>
  cmp    %eax,0x64(%rsp)
  jb     L258
L314:
  mov    0x58(%rsp),%rdi
  call   <free@plt>
  addl   $0x1,0x68(%rsp)
L60:
  mov    0x70(%rsp),%rdi
  call   <strlen@plt>
  cmp    0x68(%rsp),%eax
  ja     L277
L3:
  add    $0x88,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopw   0x0(%rax,%rax,1)
L142:
  movslq 0x24(%rsp),%rax
  mov    %r13,%rsi
  lea    D73(%rip),%rdi
  movb   $0x0,0x0(%r13,%rax,1)
  call   <printf@plt>
  jmp    L65
L152:
  movslq 0x1c(%rsp),%rax
  mov    %r14,%rsi
  lea    D73(%rip),%rdi
  movb   $0x0,(%r14,%rax,1)
  call   <printf@plt>
  jmp    L129
L71:
  movslq 0x3c(%rsp),%rax
  mov    %r13,%rsi
  lea    D73(%rip),%rdi
  movb   $0x0,0x0(%r13,%rax,1)
  call   <printf@plt>
  jmp    L105
L90:
  movslq 0x48(%rsp),%rax
  mov    %r13,%rsi
  lea    D73(%rip),%rdi
  movb   $0x0,0x0(%r13,%rax,1)
  call   <printf@plt>
  mov    0x40(%rsp),%rdi
  call   <free@plt>
  addl   $0x1,0x4c(%rsp)
  jmp    L194
L133:
  movslq 0x60(%rsp),%rax
  mov    %r13,%rsi
  lea    D73(%rip),%rdi
  movb   $0x0,0x0(%r13,%rax,1)
  call   <printf@plt>
  mov    0x50(%rsp),%rdi
  call   <free@plt>
  addl   $0x1,0x64(%rsp)
  jmp    L181
L79:
  movslq 0x6c(%rsp),%rax
  mov    %r13,%rsi
  lea    D73(%rip),%rdi
  movb   $0x0,0x0(%r13,%rax,1)
  call   <printf@plt>
  mov    0x58(%rsp),%rdi
  call   <free@plt>
  addl   $0x1,0x68(%rsp)
  jmp    L60
L46:
  movslq 0x18(%rsp),%rax
  mov    %r13,%rsi
  lea    D73(%rip),%rdi
  movb   $0x0,0x0(%r13,%rax,1)
  add    $0x88,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    10a0 <printf@plt>
```

tool_calls: name: retrieve_data
arguments: tag: D73
datatype: string

tool: D73: %s


assistant: ```c
void permute(char *cs, char *buf, int last) {
  if (strlen(cs) == 0) {
    buf[last] = '\0';
    printf("%s\n", buf);
  } else {
    for (unsigned i = 0; i < strlen(cs); i++) {
      buf[last] = cs[i];
      char *rest = remove_at(cs, i);
      permute(rest, buf, last + 1);
      free(rest);
    }
  }
}
```