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

```asm
<driver>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x48,%rsp
  movsd  %xmm0,0x8(%rsp)
  mov    %rdi,0x18(%rsp)
  mov    %rsi,0x10(%rsp)
  movsd  %xmm1,0x30(%rsp)
  movsd  %xmm2,0x38(%rsp)
  mov    %rdx,0x20(%rsp)
  lea    -0x2(%rsi),%r15
  lea    0x0(,%r15,8),%rbx
  mov    %rbx,0x28(%rsp)
  mov    %rbx,%rdi
  call   <malloc@plt>
  mov    %rax,%r12
  test   %r15,%r15
  jle    L11
  lea    (%rbx,%rax,1),%rdx
L38:
  movq   $0x0,(%rax)
  add    $0x8,%rax
  cmp    %rdx,%rax
  jne    L38
  movsd  0x30(%rsp),%xmm6
  movsd  %xmm6,(%r12)
  mov    0x10(%rsp),%r14
  movsd  0x38(%rsp),%xmm7
  movsd  %xmm7,-0x18(%r12,%r14,8)
  mov    0x28(%rsp),%rbp
  mov    %rbp,%rdi
  call   <malloc@plt>
  mov    %rax,%rbx
  mov    %rbp,%rdi
  call   <malloc@plt>
  mov    %rax,%rbp
  lea    -0x2(%r14),%rdx
  mov    $0x0,%eax
L87:
  movq   $0x0,(%rbx,%rax,8)
  movq   $0x0,0x0(%rbp,%rax,8)
  add    $0x1,%rax
  cmp    %rdx,%rax
  jne    L87
L99:
  cmpq   $0x0,0x18(%rsp)
  jle    L39
  mov    $0x0,%r14d
  mov    0x10(%rsp),%rax
  lea    -0x2(%rax),%r13
L70:
  mov    %rbp,%rdx
  mov    %rbx,%rsi
  mov    0x10(%rsp),%rdi
  call   <laplace1D_rhs@plt>
  test   %r15,%r15
  jle    L49
  mov    $0x0,%eax
L89:
  movsd  (%r12,%rax,8),%xmm0
  subsd  0x0(%rbp,%rax,8),%xmm0
  mulsd  0x8(%rsp),%xmm0
  addsd  (%rbx,%rax,8),%xmm0
  movsd  %xmm0,(%rbx,%rax,8)
  add    $0x1,%rax
  cmp    %rax,%r13
  jne    L89
L49:
  add    $0x1,%r14
  cmp    %r14,0x18(%rsp)
  jne    L70
L39:
  mov    0x20(%rsp),%rax
  movsd  0x30(%rsp),%xmm4
  movsd  %xmm4,(%rax)
  mov    0x28(%rsp),%rsi
  movsd  0x38(%rsp),%xmm5
  movsd  %xmm5,0x8(%rax,%rsi,1)
  mov    0x10(%rsp),%rax
  cmp    $0x2,%rax
  jle    L59
  mov    %rax,%rdx
  sub    $0x1,%rdx
  mov    $0x1,%eax
L85:
  movsd  -0x8(%rbx,%rax,8),%xmm0
  mov    0x20(%rsp),%rcx
  movsd  %xmm0,(%rcx,%rax,8)
  add    $0x1,%rax
  cmp    %rdx,%rax
  jne    L85
L59:
  mov    %r12,%rdi
  call   <free@plt>
  mov    %rbp,%rdi
  call   <free@plt>
  mov    %rbx,%rdi
  call   <free@plt>
  add    $0x48,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L11:
  movsd  0x30(%rsp),%xmm6
  movsd  %xmm6,(%rax)
  mov    0x28(%rsp),%r14
  movsd  0x38(%rsp),%xmm7
  movsd  %xmm7,-0x8(%rax,%r14,1)
  mov    %r14,%rdi
  call   <malloc@plt>
  mov    %rax,%rbx
  mov    %r14,%rdi
  call   <malloc@plt>
  mov    %rax,%rbp
  jmp    L99
```

assistant: ```c
void driver(double alpha, long iter, long N, double a, double b, double *u_out) {
  long i;
  double *f = malloc((N - 2) * sizeof(double));
  for (i = 0; i < N - 2; i++) {
    f[i] = 0.0;
  }
  i = 0;
  f[i] = a;
  i = N - 3;
  f[i] = b;
  double *u = malloc((N - 2) * sizeof(double));
  double *out = malloc((N - 2) * sizeof(double));
  for (i = 0; i < N - 2; i++) {
    u[i] = 0.0;
    out[i] = 0.0;
  }
  long it = 0;
  while (it < iter) {
    laplace1D_rhs(N, u, out);
    for (i = 0; i < N - 2; i++) {
      u[i] = u[i] + alpha * (f[i] - out[i]);
    }
    it++;
  }
  u_out[0] = a;
  u_out[N - 1] = b;
  for (i = 1; i < N - 1; i++)
    u_out[i] = u[i - 1];
  free(f);
  free(out);
  free(u);
}
```