user: Converte this assembly snippet into its equivalent C code:

```asm
<backtrackPermutations>:
  endbr64
  push   %r15
  mov    %rdi,%r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x188,%rsp
  mov    %esi,0x88(%rsp)
  mov    %fs:0x28,%rax
  mov    %rax,0x178(%rsp)
  xor    %eax,%eax
  cmp    %edx,%esi
  je     L282
  mov    %edx,%edi
  mov    %esi,%ebx
  mov    %edx,%r12d
  sub    %esi,%edi
  shl    $0x2,%edi
  call   <malloc@plt>
  mov    %ebx,%esi
  mov    %r12d,%edx
  mov    %r15,%rdi
  lea    0x154(%rsp),%r8
  mov    %rax,%rcx
  mov    %rax,0x110(%rsp)
  call   <generateCandidates@plt>
  mov    0x154(%rsp),%ebx
  test   %ebx,%ebx
  jle    L176
  movslq 0x88(%rsp),%rax
  movl   $0x0,0x104(%rsp)
  mov    %rax,%rcx
  shl    $0x2,%rax
  lea    (%r15,%rax,1),%rsi
  lea    0x1(%rcx),%edx
  lea    0x4(%r15,%rax,1),%rax
  mov    %rsi,0x128(%rsp)
  mov    %r12d,%esi
  sub    %edx,%esi
  mov    %edx,0x100(%rsp)
  lea    0x2(%rcx),%edx
  mov    %rax,0x118(%rsp)
  mov    %r12d,%eax
  lea    0x0(,%rsi,4),%esi
  sub    %edx,%eax
  mov    %esi,0x138(%rsp)
  lea    0x3(%rcx),%esi
  shl    $0x2,%eax
  mov    %edx,0x10c(%rsp)
  mov    %eax,0x13c(%rsp)
  movslq %edx,%rax
  lea    0x4(%rcx),%edx
  lea    (%r15,%rax,4),%rax
  mov    %esi,0xe0(%rsp)
  mov    %rax,0xf0(%rsp)
  mov    %r12d,%eax
  sub    %esi,%eax
  mov    %edx,0xb8(%rsp)
  shl    $0x2,%eax
  mov    %eax,0x108(%rsp)
  movslq %esi,%rax
  lea    0x5(%rcx),%esi
  lea    (%r15,%rax,4),%rax
  mov    %esi,0x84(%rsp)
  mov    %rax,0xc8(%rsp)
  mov    %r12d,%eax
  sub    %edx,%eax
  shl    $0x2,%eax
  mov    %eax,0xdc(%rsp)
  movslq %edx,%rax
  lea    0x6(%rcx),%edx
  lea    (%r15,%rax,4),%rax
  mov    %edx,0x28(%rsp)
  mov    %rax,0xa8(%rsp)
  mov    %r12d,%eax
  sub    %esi,%eax
  shl    $0x2,%eax
  mov    %eax,0xbc(%rsp)
  movslq %esi,%rax
  lea    0x7(%rcx),%esi
  add    $0x8,%ecx
  lea    (%r15,%rax,4),%rax
  mov    %esi,0x2c(%rsp)
  mov    %rax,0x50(%rsp)
  mov    %r12d,%eax
  sub    %edx,%eax
  mov    %ecx,0x20(%rsp)
  shl    $0x2,%eax
  mov    %eax,0x98(%rsp)
  movslq %edx,%rax
  lea    (%r15,%rax,4),%rax
  mov    %rax,0x148(%rsp)
  mov    %r12d,%eax
  sub    %esi,%eax
  shl    $0x2,%eax
  mov    %eax,0x30(%rsp)
  movslq %esi,%rax
  lea    (%r15,%rax,4),%rax
  mov    %rax,0x78(%rsp)
  mov    %r12d,%eax
  sub    %ecx,%eax
  shl    $0x2,%eax
  mov    %eax,0x80(%rsp)
  movslq %ecx,%rax
  lea    (%r15,%rax,4),%rax
  mov    %rax,0x48(%rsp)
  mov    0x110(%rsp),%rax
  mov    %rax,0x120(%rsp)
  lea    0x174(%rsp),%rax
  mov    %rax,0x40(%rsp)
L261:
  mov    0x120(%rsp),%rax
  mov    0x128(%rsp),%rcx
  mov    (%rax),%eax
  mov    %eax,(%rcx)
  cmp    %r12d,0x100(%rsp)
  je     L294
  mov    0x138(%rsp),%edi
  call   <malloc@plt>
  mov    0x100(%rsp),%esi
  mov    %r12d,%edx
  mov    %r15,%rdi
  lea    0x158(%rsp),%r8
  mov    %rax,%rcx
  mov    %rax,%rbx
  mov    %rax,0x130(%rsp)
  call   <generateCandidates@plt>
  mov    0x158(%rsp),%r11d
  mov    %rbx,0xf8(%rsp)
  movl   $0x0,0xe4(%rsp)
  test   %r11d,%r11d
  jle    L199
L54:
  mov    0xf8(%rsp),%rax
  mov    0x118(%rsp),%rdx
  mov    (%rax),%eax
  mov    %eax,(%rdx)
  cmp    0x10c(%rsp),%r12d
  je     L249
  mov    0x13c(%rsp),%edi
  call   <malloc@plt>
  mov    0x10c(%rsp),%esi
  mov    %r12d,%edx
  mov    %r15,%rdi
  lea    0x15c(%rsp),%r8
  mov    %rax,%rcx
  mov    %rax,%rbx
  mov    %rax,0x140(%rsp)
  call   <generateCandidates@plt>
  mov    0x15c(%rsp),%r10d
  mov    %rbx,0xd0(%rsp)
  movl   $0x0,0xd8(%rsp)
  test   %r10d,%r10d
  jle    L333
L329:
  mov    0xd0(%rsp),%rax
  mov    0xf0(%rsp),%rdx
  mov    (%rax),%eax
  mov    %eax,(%rdx)
  cmp    0xe0(%rsp),%r12d
  je     L81
  mov    0x108(%rsp),%edi
  call   <malloc@plt>
  mov    0xe0(%rsp),%esi
  mov    %r12d,%edx
  mov    %r15,%rdi
  lea    0x160(%rsp),%r8
  mov    %rax,%rcx
  mov    %rax,%rbx
  mov    %rax,0xe8(%rsp)
  call   <generateCandidates@plt>
  mov    0x160(%rsp),%r9d
  mov    %rbx,0xb0(%rsp)
  movl   $0x0,0x9c(%rsp)
  test   %r9d,%r9d
  jle    L9
L74:
  mov    0xb0(%rsp),%rax
  mov    0xc8(%rsp),%rcx
  mov    (%rax),%eax
  mov    %eax,(%rcx)
  cmp    0xb8(%rsp),%r12d
  je     L35
  mov    0xdc(%rsp),%edi
  mov    %r12d,%r14d
  call   <malloc@plt>
  mov    0xb8(%rsp),%esi
  mov    %r12d,%edx
  mov    %r15,%rdi
  lea    0x164(%rsp),%r8
  mov    %rax,%rcx
  mov    %rax,%rbx
  mov    %rax,0xc0(%rsp)
  call   <generateCandidates@plt>
  mov    0x164(%rsp),%r8d
  mov    %rbx,0x58(%rsp)
  movl   $0x0,0x34(%rsp)
  test   %r8d,%r8d
  jle    L186
L364:
  mov    0x58(%rsp),%rax
  mov    0xa8(%rsp),%rdx
  mov    (%rax),%eax
  mov    %eax,(%rdx)
  cmp    0x84(%rsp),%r14d
  je     L203
  mov    0xbc(%rsp),%edi
  call   <malloc@plt>
  mov    0x84(%rsp),%esi
  mov    %r15,%rdi
  mov    %r14d,%edx
  lea    0x168(%rsp),%r8
  mov    %rax,%rcx
  mov    %rax,%rbx
  mov    %rax,0xa0(%rsp)
  call   <generateCandidates@plt>
  mov    0x168(%rsp),%edi
  lea    0x16c(%rsp),%rax
  mov    %rbx,0x10(%rsp)
  movl   $0x0,0xc(%rsp)
  mov    %rax,0x70(%rsp)
  test   %edi,%edi
  jle    L29
L231:
  mov    0x10(%rsp),%rax
  mov    0x50(%rsp),%rdx
  mov    (%rax),%eax
  mov    %eax,(%rdx)
  cmp    0x28(%rsp),%r14d
  je     L40
  mov    0x98(%rsp),%edi
  call   <malloc@plt>
  mov    0x28(%rsp),%esi
  mov    %r14d,%edx
  mov    %r15,%rdi
  mov    0x70(%rsp),%r8
  mov    %rax,%rcx
  mov    %rax,%rbx
  mov    %rax,0x38(%rsp)
  call   <generateCandidates@plt>
  lea    0x170(%rsp),%rax
  mov    0x16c(%rsp),%esi
  mov    %rbx,0x90(%rsp)
  mov    %rax,0x18(%rsp)
  mov    0x88(%rsp),%eax
  movl   $0x0,0x8c(%rsp)
  add    $0x9,%eax
  mov    %eax,0x24(%rsp)
  test   %esi,%esi
  jle    L67
L216:
  mov    0x90(%rsp),%rax
  mov    0x148(%rsp),%rdx
  mov    (%rax),%eax
  mov    %eax,(%rdx)
  cmp    0x2c(%rsp),%r14d
  je     L0
  mov    0x30(%rsp),%edi
  xor    %ebx,%ebx
  call   <malloc@plt>
  mov    0x18(%rsp),%r8
  mov    %r14d,%edx
  mov    %r15,%rdi
  mov    0x2c(%rsp),%esi
  mov    %rax,%rcx
  mov    %rax,%rbp
  mov    %rbp,%r12
  call   <generateCandidates@plt>
  mov    0x170(%rsp),%ecx
  test   %ecx,%ecx
  jle    L205
L21:
  mov    (%r12),%eax
  mov    0x78(%rsp),%rsi
  mov    %eax,(%rsi)
  cmp    0x20(%rsp),%r14d
  je     L279
  mov    0x80(%rsp),%edi
  call   <malloc@plt>
  mov    0x40(%rsp),%r8
  mov    %r14d,%edx
  mov    %r15,%rdi
  mov    0x20(%rsp),%esi
  mov    %rax,%rcx
  mov    %rax,%r13
  call   <generateCandidates@plt>
  mov    0x174(%rsp),%edx
  xor    %eax,%eax
  test   %edx,%edx
  jle    L47
  mov    %r12,0x60(%rsp)
  mov    %r14d,%r12d
  mov    %r13,%r14
  mov    %rbp,0x68(%rsp)
  mov    %r15,%rbp
  mov    %r13,%r15
  mov    %ebx,%r13d
  mov    %eax,%ebx
L141:
  mov    (%r15),%edx
  mov    0x48(%rsp),%rax
  mov    %rbp,%rdi
  add    $0x1,%ebx
  mov    0x24(%rsp),%esi
  add    $0x4,%r15
  mov    %edx,(%rax)
  mov    %r12d,%edx
  call   <backtrackPermutations>
  cmp    0x174(%rsp),%ebx
  jl     L141
  mov    %r13d,%ebx
  mov    %rbp,%r15
  mov    %r14,%r13
  mov    0x68(%rsp),%rbp
  mov    %r12d,%r14d
  mov    0x60(%rsp),%r12
L47:
  mov    %r13,%rdi
  call   <free@plt>
L112:
  add    $0x1,%ebx
  add    $0x4,%r12
  cmp    0x170(%rsp),%ebx
  jl     L21
L205:
  mov    %rbp,%rdi
  call   <free@plt>
L129:
  addl   $0x1,0x8c(%rsp)
  mov    0x8c(%rsp),%eax
  addq   $0x4,0x90(%rsp)
  cmp    0x16c(%rsp),%eax
  jl     L216
L67:
  mov    0x38(%rsp),%rdi
  call   <free@plt>
L156:
  addl   $0x1,0xc(%rsp)
  mov    0xc(%rsp),%eax
  addq   $0x4,0x10(%rsp)
  cmp    0x168(%rsp),%eax
  jl     L231
L29:
  mov    0xa0(%rsp),%rdi
  call   <free@plt>
L50:
  addl   $0x1,0x34(%rsp)
  mov    0x34(%rsp),%eax
  addq   $0x4,0x58(%rsp)
  cmp    0x164(%rsp),%eax
  jl     L364
  mov    %r14d,%r12d
L186:
  mov    0xc0(%rsp),%rdi
  call   <free@plt>
L76:
  addl   $0x1,0x9c(%rsp)
  mov    0x9c(%rsp),%eax
  addq   $0x4,0xb0(%rsp)
  cmp    0x160(%rsp),%eax
  jl     L74
L9:
  mov    0xe8(%rsp),%rdi
  call   <free@plt>
L62:
  addl   $0x1,0xd8(%rsp)
  mov    0xd8(%rsp),%eax
  addq   $0x4,0xd0(%rsp)
  cmp    0x15c(%rsp),%eax
  jl     L329
L333:
  mov    0x140(%rsp),%rdi
  call   <free@plt>
L123:
  addl   $0x1,0xe4(%rsp)
  mov    0xe4(%rsp),%eax
  addq   $0x4,0xf8(%rsp)
  cmp    0x158(%rsp),%eax
  jl     L54
L199:
  mov    0x130(%rsp),%rdi
  call   <free@plt>
L200:
  addl   $0x1,0x104(%rsp)
  mov    0x104(%rsp),%eax
  addq   $0x4,0x120(%rsp)
  cmp    %eax,0x154(%rsp)
  jg     L261
L176:
  mov    0x110(%rsp),%rdi
  call   <free@plt>
  mov    0x178(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L342
  add    $0x188,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  xchg   %ax,%ax
L279:
  mov    %r14d,%esi
  mov    %r15,%rdi
  call   <printPermutation@plt>
  jmp    L112
L0:
  mov    %r14d,%esi
  mov    %r15,%rdi
  call   <printPermutation@plt>
  jmp    L129
L40:
  mov    %r14d,%esi
  mov    %r15,%rdi
  call   <printPermutation@plt>
  jmp    L156
L203:
  mov    %r14d,%esi
  mov    %r15,%rdi
  call   <printPermutation@plt>
  jmp    L50
L35:
  mov    %r12d,%esi
  mov    %r15,%rdi
  call   <printPermutation@plt>
  jmp    L76
L81:
  mov    %r12d,%esi
  mov    %r15,%rdi
  call   <printPermutation@plt>
  jmp    L62
L249:
  mov    %r12d,%esi
  mov    %r15,%rdi
  call   <printPermutation@plt>
  jmp    L123
L294:
  mov    0x100(%rsp),%esi
  mov    %r15,%rdi
  call   <printPermutation@plt>
  jmp    L200
L282:
  mov    0x178(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L342
  add    $0x188,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    10c0 <printPermutation@plt>
L342:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void backtrackPermutations(int A[], int k, int n) {
  if (k == n) {
    printPermutation(A, n);
  } else {
    int *candidate = (int *)malloc((n - k) * sizeof(int));
    int numbOfCandidates;
    generateCandidates(A, k, n, candidate, &numbOfCandidates);
    int i;
    for (i = 0; i < numbOfCandidates; i++) {
      A[k] = candidate[i];
      backtrackPermutations(A, k + 1, n);
    }
    free(candidate);
  }
}
```