user: What would the C source look like for the assembly code provided here:

```asm
<main>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x800,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x7f8(%rsp)
  xor    %eax,%eax
  mov    $0x0,%edi
  call   <XOpenDisplay@plt>
  mov    %rax,%rbp
  mov    D6(%rip),%rax
  mov    (%rax),%ebx
  mov    %rbp,%rdi
  call   <DefaultRootWindow@plt>
  mov    %eax,%esi
  push   $0x0
  push   $0x0
  push   %rbx
  push   %rbx
  push   %rbx
  push   $0x0
  mov    $0x12c,%r9d
  mov    $0x12c,%r8d
  mov    $0x64,%ecx
  mov    $0x64,%edx
  mov    %rbp,%rdi
  call   <XCreateWindow@plt>
  mov    %eax,%r12d
  add    $0x30,%rsp
  mov    %eax,%esi
  mov    %rbp,%rdi
  call   <XMapWindow@plt>
  mov    %rbp,%rdi
  call   <XFlush@plt>
  mov    $0x1,%edi
  call   <sleep@plt>
  mov    %rbp,%rdi
  call   <DefaultScreen@plt>
  mov    %eax,%esi
  mov    %rbp,%rdi
  call   <BlackPixel@plt>
  mov    %rax,0x8(%rsp)
  mov    %rbp,%rdi
  call   <DefaultScreen@plt>
  mov    %eax,%esi
  mov    %rbp,%rdi
  call   <WhitePixel@plt>
  mov    %rax,(%rsp)
  mov    %rbp,%rdi
  call   <DefaultScreen@plt>
  mov    %eax,%esi
  mov    %rbp,%rdi
  call   <WhitePixel@plt>
  mov    %rax,0x18(%rsp)
  mov    %rbp,%rdi
  call   <DefaultScreen@plt>
  mov    %eax,%esi
  mov    %rbp,%rdi
  call   <BlackPixel@plt>
  mov    %rax,0x10(%rsp)
  mov    %rsp,%rcx
  mov    D18(%rip),%rbx
  mov    D0(%rip),%r14
  mov    (%r14),%rdx
  add    (%rbx),%rdx
  mov    %r12d,%esi
  mov    %rbp,%rdi
  call   <XCreateGC@plt>
  mov    %eax,%r13d
  lea    0x10(%rsp),%rcx
  mov    (%r14),%rdx
  add    (%rbx),%rdx
  mov    %r12d,%esi
  mov    %rbp,%rdi
  call   <XCreateGC@plt>
  mov    %eax,%ebx
  mov    %r12d,%esi
  mov    %rbp,%rdi
  call   <XClearWindow@plt>
  mov    %rbp,%rdi
  call   <XFlush@plt>
  sub    $0x8,%rsp
  push   $0x12c
  mov    $0x12c,%r9d
  mov    $0x0,%r8d
  mov    $0x0,%ecx
  mov    %r13d,%edx
  mov    %r12d,%esi
  mov    %rbp,%rdi
  call   <XFillRectangle@plt>
  movl   $0xc8,(%rsp)
  mov    $0xc8,%r9d
  mov    $0x32,%r8d
  mov    $0x32,%ecx
  mov    %ebx,%edx
  mov    %r12d,%esi
  mov    %rbp,%rdi
  call   <XFillRectangle@plt>
  mov    %rbp,%rdi
  call   <XFlush@plt>
  add    $0x10,%rsp
  mov    $0x0,%ebx
L5:
  mov    %ebx,%edi
  call   <sin@plt>
  movss  %xmm0,0x20(%rsp,%rbx,4)
  add    $0x1,%rbx
  cmp    $0x1f4,%rbx
  jne    L5
  lea    0x20(%rsp),%rdi
  sub    $0x8,%rsp
  push   $0xc8
  push   $0xc8
  push   $0x32
  mov    $0x32,%r9d
  mov    %r13d,%r8d
  mov    %r12d,%ecx
  mov    %rbp,%rdx
  mov    $0x1f4,%esi
  call   <drawWave@plt>
  add    $0x20,%rsp
  mov    $0xa,%edi
  call   <sleep@plt>
  mov    0x7f8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L2
  mov    $0x0,%eax
  add    $0x800,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L2:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
main() {
  Display *d = XOpenDisplay(0);
  Window w = XCreateWindow(d, DefaultRootWindow(d), 100, 100, 300, 300, 0, CopyFromParent, CopyFromParent, CopyFromParent, 0, 0);
  XMapWindow(d, w);
  XFlush(d);
  sleep(1);
  XGCValues blackgcv, whitegcv;
  blackgcv.foreground = BlackPixel(d, DefaultScreen(d));
  blackgcv.background = WhitePixel(d, DefaultScreen(d));
  whitegcv.foreground = WhitePixel(d, DefaultScreen(d));
  whitegcv.background = BlackPixel(d, DefaultScreen(d));
  GC black = XCreateGC(d, w, GCForeground + GCBackground, &blackgcv);
  GC white = XCreateGC(d, w, GCForeground + GCBackground, &whitegcv);
  XClearWindow(d, w);
  XFlush(d);
  XFillRectangle(d, w, black, 0, 0, 300, 300);
  XFillRectangle(d, w, white, 50, 50, 200, 200);
  XFlush(d);
  float davethesinewave[500];
  int k;
  for (k = 0; k < 500; k++) {
    davethesinewave[k] = sin(k);
  }
  drawWave(davethesinewave, 500, d, w, black, 50, 50, 200, 200);
  sleep(10);
  return 0;
}
```