user: Demonstrate the C code that generates the assembly output below:

```asm
<quickSort>:
  endbr64
  push   %r15
  push   %r14
  mov    %rdi,%r14
  push   %r13
  mov    %esi,%r13d
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x48,%rsp
  mov    %edx,0x38(%rsp)
L226:
  mov    0x38(%rsp),%edx
  mov    %r13d,%esi
  mov    %r14,%rdi
  call   <partition@plt>
  mov    %eax,0x34(%rsp)
  cmp    %eax,%r13d
  jl     L147
L87:
  mov    0x34(%rsp),%eax
  cmp    %eax,0x38(%rsp)
  jle    L221
  add    $0x1,%eax
  mov    %eax,%r13d
  jmp    L226
  nopw   0x0(%rax,%rax,1)
L147:
  sub    $0x1,%eax
  mov    %eax,0x30(%rsp)
L77:
  mov    0x30(%rsp),%edx
  mov    %r13d,%esi
  mov    %r14,%rdi
  call   <partition@plt>
  mov    %eax,0x2c(%rsp)
  cmp    %eax,%r13d
  jl     L177
L123:
  mov    0x2c(%rsp),%eax
  cmp    %eax,0x30(%rsp)
  jle    L87
  add    $0x1,%eax
  mov    %eax,%r13d
  jmp    L77
  nopl   0x0(%rax)
L177:
  sub    $0x1,%eax
  mov    %eax,0x28(%rsp)
L129:
  mov    0x28(%rsp),%edx
  mov    %r13d,%esi
  mov    %r14,%rdi
  call   <partition@plt>
  mov    %eax,0x24(%rsp)
  cmp    %eax,%r13d
  jl     L70
L104:
  mov    0x24(%rsp),%eax
  cmp    %eax,0x28(%rsp)
  jle    L123
  add    $0x1,%eax
  mov    %eax,%r13d
  jmp    L129
  nopl   0x0(%rax)
L70:
  sub    $0x1,%eax
  mov    %eax,0x20(%rsp)
L251:
  mov    0x20(%rsp),%edx
  mov    %r13d,%esi
  mov    %r14,%rdi
  call   <partition@plt>
  mov    %eax,0x1c(%rsp)
  cmp    %eax,%r13d
  jl     L225
L186:
  mov    0x1c(%rsp),%eax
  cmp    %eax,0x20(%rsp)
  jle    L104
  add    $0x1,%eax
  mov    %eax,%r13d
  jmp    L251
  nopl   0x0(%rax)
L225:
  sub    $0x1,%eax
  mov    %eax,0x18(%rsp)
L100:
  mov    0x18(%rsp),%edx
  mov    %r13d,%esi
  mov    %r14,%rdi
  call   <partition@plt>
  mov    %eax,0x14(%rsp)
  cmp    %eax,%r13d
  jl     L14
L121:
  mov    0x14(%rsp),%eax
  cmp    %eax,0x18(%rsp)
  jle    L186
  add    $0x1,%eax
  mov    %eax,%r13d
  jmp    L100
  nopl   0x0(%rax)
L14:
  sub    $0x1,%eax
  mov    %eax,0x10(%rsp)
L161:
  mov    0x10(%rsp),%edx
  mov    %r13d,%esi
  mov    %r14,%rdi
  call   <partition@plt>
  mov    %eax,0xc(%rsp)
  cmp    %eax,%r13d
  jl     L130
L5:
  mov    0xc(%rsp),%eax
  cmp    %eax,0x10(%rsp)
  jle    L121
  add    $0x1,%eax
  mov    %eax,%r13d
  jmp    L161
  nopl   0x0(%rax)
L130:
  sub    $0x1,%eax
  mov    %eax,%ebx
L149:
  mov    %ebx,%edx
  mov    %r13d,%esi
  mov    %r14,%rdi
  call   <partition@plt>
  mov    %eax,0x8(%rsp)
  cmp    %eax,%r13d
  jl     L86
L156:
  mov    0x8(%rsp),%eax
  cmp    %eax,%ebx
  jle    L5
  add    $0x1,%eax
  mov    %eax,%r13d
  jmp    L149
  nopl   0x0(%rax,%rax,1)
L86:
  lea    -0x1(%rax),%r12d
  mov    %ebx,%ebp
L282:
  mov    %r12d,%edx
  mov    %r13d,%esi
  mov    %r14,%rdi
  call   <partition@plt>
  mov    %eax,%r15d
  cmp    %eax,%r13d
  jl     L71
L114:
  cmp    %r15d,%r12d
  jle    L64
  lea    0x1(%r15),%r13d
  jmp    L282
  nop
L71:
  lea    -0x1(%rax),%ebx
L90:
  mov    %ebx,%edx
  mov    %r13d,%esi
  mov    %r14,%rdi
  call   <partition@plt>
  cmp    %eax,%r13d
  jl     L58
L55:
  cmp    %eax,%ebx
  jle    L114
  lea    0x1(%rax),%r13d
  jmp    L90
  nop
L64:
  mov    %ebp,%ebx
  jmp    L156
L221:
  add    $0x48,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax,%rax,1)
L58:
  lea    -0x1(%rax),%edx
  mov    %r13d,%esi
  mov    %r14,%rdi
  mov    %eax,0x3c(%rsp)
  call   <quickSort>
  mov    0x3c(%rsp),%eax
  jmp    L55
```

assistant: ```c
void quickSort(int *array, int start, int stop) {
  int partition(int *, int, int);
  int q = partition(array, start, stop);
  if (q - 1 >= start)
    quickSort(array, start, q - 1);
  if (stop >= q + 1)
    quickSort(array, q + 1, stop);
}
```