user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```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    L179
  mov    %rdx,%rbx
L121:
  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    L151
  mov    %ebx,0x14(%rsp)
L19:
  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    L79
  mov    %ebp,0x1c(%rsp)
L13:
  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    L22
  mov    %ebx,0x24(%rsp)
L40:
  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    L177
  mov    %ebp,%r14d
  mov    %rbx,%rbp
L141:
  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    L43
  mov    %r14d,0x8(%rsp)
  mov    %ebp,%r13d
  mov    %rbx,%rbp
  mov    %r15d,0xc(%rsp)
L69:
  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    L164
L3:
  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    L39
  mov    %ebx,0x38(%rsp)
  mov    %r15d,%ebp
  mov    %ebx,%r15d
L85:
  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    L91
  mov    %r12d,%ecx
  mov    %ebp,%r12d
  mov    %ebx,%ebp
L51:
  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     L51
  mov    %ebp,%ebx
  mov    %r12d,%ebp
  mov    %ecx,%r12d
L91:
  movslq %ebp,%r14
  lea    0x1(%rbx),%ebp
  cmp    %r15d,%ebp
  jg     L85
  mov    0x38(%rsp),%ebp
L39:
  mov    0x4c(%rsp),%eax
  movslq 0x10(%rsp),%rbx
  add    $0x1,%eax
  mov    %eax,0x10(%rsp)
  cmp    %ebp,%eax
  jg     L3
L164:
  movslq %r12d,%rbp
  mov    0x2c(%rsp),%r12d
  add    $0x1,%r12d
  cmp    %r13d,%r12d
  jg     L69
  mov    0x8(%rsp),%r14d
  mov    0xc(%rsp),%r15d
L43:
  movslq %r15d,%rbp
  mov    0x4(%rsp),%r15d
  add    $0x1,%r15d
  cmp    %r14d,%r15d
  jg     L141
L177:
  mov    0x48(%rsp),%eax
  movslq 0x28(%rsp),%rbp
  add    $0x1,%eax
  mov    %eax,0x28(%rsp)
  cmp    0x24(%rsp),%eax
  jg     L40
L22:
  mov    0x44(%rsp),%eax
  movslq 0x20(%rsp),%rbx
  add    $0x1,%eax
  mov    %eax,0x20(%rsp)
  cmp    0x1c(%rsp),%eax
  jg     L13
L79:
  mov    0x40(%rsp),%eax
  movslq 0x18(%rsp),%rbp
  add    $0x1,%eax
  mov    %eax,0x18(%rsp)
  cmp    0x14(%rsp),%eax
  jg     L19
L151:
  mov    0x3c(%rsp),%eax
  movslq 0x34(%rsp),%rbx
  add    $0x1,%eax
  mov    %eax,0x34(%rsp)
  cmp    0x30(%rsp),%eax
  jg     L121
L179:
  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);
  }
}
```