user: 请将以下的汇编代码转换成C语言代码:

```asm
<quicksort>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x68,%rsp
  mov    %edi,0x30(%rsp)
  mov    %esi,0x34(%rsp)
  cmp    %edi,%esi
  jle    L81
  mov    %rdx,%rbx
L102:
  mov    0x30(%rsp),%r14d
  mov    0x34(%rsp),%esi
  mov    %rbx,%rdx
  xor    %eax,%eax
  mov    %r14d,%edi
  call   <partition@plt>
  mov    %r14d,0x18(%rsp)
  lea    -0x1(%rax),%ebp
  mov    %eax,0x3c(%rsp)
  mov    %ebx,0x30(%rsp)
  movslq %ebp,%rbp
  cmp    %ebx,%r14d
  jle    L52
  mov    %ebx,0x14(%rsp)
L113:
  mov    0x14(%rsp),%r15d
  mov    0x18(%rsp),%esi
  mov    %rbp,%rdx
  xor    %eax,%eax
  mov    %r15d,%edi
  call   <partition@plt>
  mov    %r15d,0x20(%rsp)
  lea    -0x1(%rax),%ebx
  mov    %eax,0x40(%rsp)
  mov    %ebp,0x14(%rsp)
  movslq %ebx,%rbx
  cmp    %ebp,%r15d
  jle    L50
  mov    %ebp,0x1c(%rsp)
L86:
  mov    0x1c(%rsp),%r14d
  mov    0x20(%rsp),%esi
  mov    %rbx,%rdx
  xor    %eax,%eax
  mov    %r14d,%edi
  call   <partition@plt>
  mov    %r14d,0x28(%rsp)
  lea    -0x1(%rax),%ebp
  mov    %eax,0x44(%rsp)
  mov    %ebx,0x1c(%rsp)
  movslq %ebp,%rbp
  cmp    %ebx,%r14d
  jle    L116
  mov    %ebx,0x24(%rsp)
L90:
  mov    0x24(%rsp),%r15d
  mov    0x28(%rsp),%esi
  mov    %rbp,%rdx
  xor    %eax,%eax
  mov    %r15d,%edi
  call   <partition@plt>
  mov    %ebp,0x24(%rsp)
  lea    -0x1(%rax),%ebx
  mov    %eax,0x48(%rsp)
  movslq %ebx,%rbx
  cmp    %ebp,%r15d
  jle    L35
  mov    %ebp,%r14d
  mov    %rbx,%rbp
L119:
  mov    %r14d,%edi
  mov    %rbp,%rdx
  mov    %r15d,%esi
  xor    %eax,%eax
  call   <partition@plt>
  mov    %r14d,%r12d
  mov    %ebp,%r14d
  lea    -0x1(%rax),%ebx
  mov    %eax,0x4(%rsp)
  movslq %ebx,%rbx
  cmp    %ebp,%r12d
  jle    L17
  mov    %r14d,0x8(%rsp)
  mov    %ebp,%r13d
  mov    %rbx,%rbp
  mov    %r15d,0xc(%rsp)
L89:
  mov    %r13d,%edi
  mov    %rbp,%rdx
  mov    %r12d,%esi
  xor    %eax,%eax
  call   <partition@plt>
  mov    %r13d,0x10(%rsp)
  mov    %eax,0x2c(%rsp)
  sub    $0x1,%eax
  movslq %eax,%rbx
  mov    %r13d,%eax
  mov    %ebp,%r13d
  cmp    %ebp,%eax
  jle    L94
L41:
  mov    0x10(%rsp),%esi
  mov    %ebp,%edi
  mov    %rbx,%rdx
  xor    %eax,%eax
  mov    %ebp,%r15d
  mov    %ebx,%ebp
  call   <partition@plt>
  lea    -0x1(%rax),%r14d
  mov    %eax,0x4c(%rsp)
  movslq %r14d,%r14
  cmp    %ebx,%r15d
  jle    L78
  mov    %ebx,0x38(%rsp)
  mov    %r15d,%ebp
  mov    %ebx,%r15d
L79:
  mov    %r14,%rdx
  mov    %r15d,%edi
  mov    %ebp,%esi
  xor    %eax,%eax
  call   <partition@plt>
  mov    %r15d,%r8d
  mov    %r14d,%r15d
  mov    %eax,%ebx
  lea    -0x1(%rax),%eax
  movslq %eax,%rdx
  cmp    %r14d,%r8d
  jle    L121
  mov    %r12d,%ecx
  mov    %ebp,%r12d
  mov    %ebx,%ebp
L14:
  mov    %r8d,%esi
  mov    %r14d,%edi
  xor    %eax,%eax
  mov    %ecx,0x5c(%rsp)
  mov    %r8d,0x58(%rsp)
  mov    %rdx,0x50(%rsp)
  call   <partition@plt>
  mov    0x50(%rsp),%rdx
  mov    %r14d,%esi
  mov    %eax,%ebx
  mov    %edx,%r14d
  lea    -0x1(%rax),%edx
  movslq %edx,%rdx
  mov    %r14d,%edi
  call   <quicksort>
  lea    0x1(%rbx),%r8d
  movslq 0x58(%rsp),%rdx
  mov    0x5c(%rsp),%ecx
  cmp    %r14d,%r8d
  jg     L14
  mov    %ebp,%ebx
  mov    %r12d,%ebp
  mov    %ecx,%r12d
L121:
  movslq %ebp,%r14
  lea    0x1(%rbx),%ebp
  cmp    %r15d,%ebp
  jg     L79
  mov    0x38(%rsp),%ebp
L78:
  mov    0x4c(%rsp),%eax
  movslq 0x10(%rsp),%rbx
  add    $0x1,%eax
  mov    %eax,0x10(%rsp)
  cmp    %ebp,%eax
  jg     L41
L94:
  movslq %r12d,%rbp
  mov    0x2c(%rsp),%r12d
  add    $0x1,%r12d
  cmp    %r13d,%r12d
  jg     L89
  mov    0x8(%rsp),%r14d
  mov    0xc(%rsp),%r15d
L17:
  movslq %r15d,%rbp
  mov    0x4(%rsp),%r15d
  add    $0x1,%r15d
  cmp    %r14d,%r15d
  jg     L119
L35:
  mov    0x48(%rsp),%eax
  movslq 0x28(%rsp),%rbp
  add    $0x1,%eax
  mov    %eax,0x28(%rsp)
  cmp    0x24(%rsp),%eax
  jg     L90
L116:
  mov    0x44(%rsp),%eax
  movslq 0x20(%rsp),%rbx
  add    $0x1,%eax
  mov    %eax,0x20(%rsp)
  cmp    0x1c(%rsp),%eax
  jg     L86
L50:
  mov    0x40(%rsp),%eax
  movslq 0x18(%rsp),%rbp
  add    $0x1,%eax
  mov    %eax,0x18(%rsp)
  cmp    0x14(%rsp),%eax
  jg     L113
L52:
  mov    0x3c(%rsp),%eax
  movslq 0x34(%rsp),%rbx
  add    $0x1,%eax
  mov    %eax,0x34(%rsp)
  cmp    0x30(%rsp),%eax
  jg     L102
L81:
  add    $0x68,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
void quicksort(int l, int r, char **a) {
  int partIndex;
  if (r - l <= 0) {
    return;
  } else {
    partIndex = partition(l, r, a);
    quicksort(a, l, partIndex - 1);
    quicksort(a, partIndex + 1, r);
  }
}
```