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

```asm
<cover>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x38,%rsp
  test   %esi,%esi
  jle    L94
  mov    %edx,%r12d
  mov    %rdi,%rbp
  mov    %esi,%r14d
  movslq %esi,%r11
  xor    %r10d,%r10d
  mov    $0xffffffff,%ebx
  mov    $0xffffffff,%edx
  xor    %esi,%esi
  movslq %r12d,%rdi
  nopl   0x0(%rax,%rax,1)
L15:
  mov    %r10d,%r9d
  test   %r12d,%r12d
  jle    L223
  mov    0x0(%rbp,%r10,8),%rcx
  xor    %eax,%eax
  nop
L47:
  mov    (%rcx,%rax,4),%r8d
  test   %r8d,%r8d
  jne    L176
  mov    %ebx,%r8d
  and    %edx,%r8d
  cmp    $0xffffffff,%r8d
  cmove  %eax,%ebx
  cmove  %r9d,%edx
  add    $0x1,%esi
L176:
  add    $0x1,%rax
  cmp    %rax,%rdi
  jne    L47
L223:
  add    $0x1,%r10
  cmp    %r11,%r10
  jne    L15
  mov    %esi,%r13d
  mov    $0xaaaaaaab,%eax
  imul   %rax,%r13
  shr    $0x21,%r13
  lea    0x0(%r13,%r13,2),%eax
  sub    %eax,%esi
  mov    %esi,%r13d
  jne    L125
  mov    %edx,%eax
  and    %ebx,%eax
  cmp    $0xffffffff,%eax
  je     L94
  movslq %edx,%rax
  movslq %ebx,%r15
  lea    0x1(%rbx),%r9d
  add    $0x1,%edx
  mov    0x0(%rbp,%rax,8),%r8
  shl    $0x2,%r15
  lea    0x0(,%rax,8),%r10
  lea    (%r8,%r15,1),%rcx
  movl   $0x1,(%rcx)
  cmp    %r12d,%r9d
  jge    L130
  lea    0x4(%r15),%rsi
  lea    (%r8,%rsi,1),%r11
  mov    (%r11),%eax
  test   %eax,%eax
  jne    L130
  cmp    %edx,%r14d
  jle    L229
  add    0x8(%rbp,%r10,1),%rsi
  mov    (%rsi),%edx
  mov    %rsi,%r13
  test   %edx,%edx
  je     L40
L185:
  mov    0x8(%rbp,%r10,1),%r10
  mov    %eax,%r13d
  lea    (%r10,%r15,1),%r11
  mov    (%r11),%edi
  test   %edi,%edi
  jne    L229
L16:
  movl   $0x1,(%r11)
  test   %ebx,%ebx
  jle    L36
  lea    -0x4(%r10,%r15,1),%rbx
  mov    (%rbx),%esi
  test   %esi,%esi
  je     L244
L36:
  cmp    %r12d,%r9d
  jge    L210
  add    $0x4,%r15
  lea    (%r10,%r15,1),%rbx
  mov    (%rbx),%edx
  test   %edx,%edx
  je     L112
L124:
  add    %r8,%r15
  movl   $0x0,(%r11)
  mov    (%r15),%eax
  test   %eax,%eax
  je     L170
L229:
  movl   $0x0,(%rcx)
L119:
  add    $0x38,%rsp
  mov    %r13d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L130:
  cmp    %edx,%r14d
  jle    L229
  mov    0x8(%rbp,%r10,1),%r10
  lea    (%r10,%r15,1),%r11
  mov    (%r11),%edi
  test   %edi,%edi
  jne    L229
  jmp    L16
L125:
  xor    %r13d,%r13d
  jmp    L119
L94:
  mov    $0x1,%r13d
  jmp    L119
L210:
  movl   $0x0,(%r11)
  jmp    L229
L170:
  movl   $0x1,(%r11)
  mov    %r12d,%edx
  mov    %r14d,%esi
  mov    %rbp,%rdi
  movl   $0x1,(%r15)
  mov    %rcx,0x10(%rsp)
  mov    %r11,0x8(%rsp)
  call   <cover>
  mov    0x8(%rsp),%r11
  mov    0x10(%rsp),%rcx
  add    %eax,%r13d
  movl   $0x0,(%r11)
  movl   $0x0,(%r15)
  jmp    L229
L40:
  movl   $0x1,(%r11)
  mov    %r12d,%edx
  mov    %rbp,%rdi
  movl   $0x1,(%rsi)
  mov    %r14d,%esi
  mov    %r9d,0x28(%rsp)
  mov    %rcx,0x20(%rsp)
  mov    %r8,0x18(%rsp)
  mov    %r10,0x10(%rsp)
  mov    %r11,0x8(%rsp)
  call   <cover>
  mov    0x8(%rsp),%r11
  mov    0x10(%rsp),%r10
  mov    0x18(%rsp),%r8
  mov    0x20(%rsp),%rcx
  movl   $0x0,(%r11)
  mov    0x28(%rsp),%r9d
  movl   $0x0,0x0(%r13)
  jmp    L185
L112:
  movl   $0x1,(%rbx)
  mov    %r12d,%edx
  mov    %r14d,%esi
  mov    %rbp,%rdi
  mov    %r11,0x18(%rsp)
  mov    %rcx,0x10(%rsp)
  mov    %r8,0x8(%rsp)
  call   <cover>
  movl   $0x0,(%rbx)
  mov    0x8(%rsp),%r8
  mov    0x10(%rsp),%rcx
  mov    0x18(%rsp),%r11
  add    %eax,%r13d
  jmp    L124
L244:
  movl   $0x1,(%rbx)
  mov    %r12d,%edx
  mov    %r14d,%esi
  mov    %rbp,%rdi
  mov    %r11,0x28(%rsp)
  mov    %r10,0x20(%rsp)
  mov    %r9d,0x18(%rsp)
  mov    %rcx,0x10(%rsp)
  mov    %r8,0x8(%rsp)
  call   <cover>
  movl   $0x0,(%rbx)
  mov    0x28(%rsp),%r11
  mov    0x20(%rsp),%r10
  mov    0x18(%rsp),%r9d
  add    %eax,%r13d
  mov    0x10(%rsp),%rcx
  mov    0x8(%rsp),%r8
  jmp    L36
```

assistant: ```c
int cover(int *colors[], int rows, int cols) {
  int i = 0, j = 0;
  int white_count = 0, first_white_row = -1, first_white_col = -1;
  for (i = 0; i < rows; i++) {
    for (j = 0; j < cols; j++) {
      if (colors[i][j] == 0) {
        if (first_white_row == -1 && first_white_col == -1) {
          first_white_row = i;
          first_white_col = j;
        }
        white_count++;
      }
    }
  }
  if (white_count % 3 != 0) {
    return 0;
  }
  if (first_white_row == -1 && first_white_col == -1) {
    return 1;
  }
  int result = 0;
  colors[first_white_row][first_white_col] = 1;
  if (first_white_col + 1 < cols && colors[first_white_row][first_white_col + 1] == 0 && first_white_row + 1 < rows && colors[first_white_row + 1][first_white_col + 1] == 0) {
    colors[first_white_row][first_white_col + 1] = 1;
    colors[first_white_row + 1][first_white_col + 1] = 1;
    result += cover(colors, rows, cols);
    colors[first_white_row][first_white_col + 1] = 0;
    colors[first_white_row + 1][first_white_col + 1] = 0;
  }
  if (first_white_row + 1 < rows && colors[first_white_row + 1][first_white_col] == 0) {
    colors[first_white_row + 1][first_white_col] = 1;
    if (first_white_col - 1 >= 0 && colors[first_white_row + 1][first_white_col - 1] == 0) {
      colors[first_white_row + 1][first_white_col - 1] = 1;
      result += cover(colors, rows, cols);
      colors[first_white_row + 1][first_white_col - 1] = 0;
    }
    if (first_white_col + 1 < cols && colors[first_white_row + 1][first_white_col + 1] == 0) {
      colors[first_white_row + 1][first_white_col + 1] = 1;
      result += cover(colors, rows, cols);
      colors[first_white_row + 1][first_white_col + 1] = 0;
    }
    colors[first_white_row + 1][first_white_col] = 0;
  }
  if (first_white_row + 1 < rows && colors[first_white_row + 1][first_white_col] == 0 && first_white_col + 1 < cols && colors[first_white_row][first_white_col + 1] == 0) {
    colors[first_white_row + 1][first_white_col] = 1;
    colors[first_white_row][first_white_col + 1] = 1;
    result += cover(colors, rows, cols);
    colors[first_white_row + 1][first_white_col] = 0;
    colors[first_white_row][first_white_col + 1] = 0;
  }
  colors[first_white_row][first_white_col] = 0;
  return result;
}
```