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

```asm
<bitmap_decompress2>:
  endbr64
  push   %r15
  movslq %r8d,%r8
  push   %r14
  lea    (%rcx,%r8,1),%rax
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,-0x30(%rsp)
  mov    %rax,-0x8(%rsp)
  cmp    %rax,%rcx
  jae    L684
  movb   $0x0,-0x28(%rsp)
  mov    $0xffffffff,%ebp
  mov    %esi,%edi
  mov    %edx,%r11d
  movb   $0x0,-0x27(%rsp)
  mov    %esi,%edx
  mov    %rcx,%r10
  mov    $0xffffffff,%r15d
  movb   $0x0,-0x26(%rsp)
  xor    %ebx,%ebx
  xor    %esi,%esi
  xor    %r8d,%r8d
  movl   $0x0,-0x20(%rsp)
  mov    %ebp,%r14d
  movl   $0xffffffff,-0x24(%rsp)
  movl   $0x0,-0x18(%rsp)
  movb   $0x0,-0x25(%rsp)
L566:
  movzbl (%r10),%ecx
  lea    0x1(%r10),%r9
  mov    %ecx,%ebp
  mov    %ecx,%eax
  sar    $0x4,%ebp
  cmp    $0xf,%ebp
  jne    L682
  mov    %ecx,%ebp
  and    $0xf,%ecx
  and    $0xf,%ebp
  cmp    $0x8,%bpl
  ja     L654
  movzwl 0x1(%r10),%eax
  lea    0x3(%r10),%r9
  cmp    $0xa,%bpl
  ja     L362
  lea    D1(%rip),%r12
  movzbl %bpl,%ebp
  movslq (%r12,%rbp,4),%r10
  add    %r12,%r10
  notrack jmp *%r10
  nopw   0x0(%rax,%rax,1)
L682:
  cmp    $0xb,%ebp
  jg     L296
  sar    $0x5,%ecx
  mov    $0x84,%ebp
  and    $0x1f,%eax
  mov    $0x20,%r12d
  shr    %cl,%rbp
  and    $0x1,%ebp
  test   %eax,%eax
  je     L896
L383:
  lea    0x0(,%rax,8),%r10d
  test   %rbp,%rbp
  cmovne %r10d,%eax
L649:
  cmp    $0xa,%ecx
  ja     L24
L559:
  lea    D18(%rip),%rbp
  mov    %ecx,%r10d
  movslq 0x0(%rbp,%r10,4),%r10
  add    %rbp,%r10
  notrack jmp *%r10
  cs nopw 0x0(%rax,%rax,1)
L896:
  movzbl 0x1(%r10),%r13d
  lea    0x2(%r10),%r9
  add    %r13d,%r12d
  lea    0x1(%r13),%eax
  test   %rbp,%rbp
  cmove  %r12d,%eax
  cmp    $0xa,%ecx
  jbe    L559
L24:
  movl   $0x0,-0x24(%rsp)
  jmp    L700
  cs nopw 0x0(%rax,%rax,1)
L654:
  cmp    $0xa,%bpl
  ja     L157
  mov    $0x8,%eax
  jmp    L649
  nopl   0x0(%rax)
L296:
  lea    -0x6(%rbp),%ecx
  mov    $0x84,%ebp
  and    $0xf,%eax
  mov    $0x10,%r12d
  shr    %cl,%rbp
  and    $0x1,%ebp
  test   %eax,%eax
  jne    L383
  jmp    L896
  nopl   0x0(%rax)
  movzbl (%r9),%r14d
  movzbl 0x1(%r9),%r15d
  sub    $0x5,%ecx
  add    $0x2,%r9
  movl   $0x0,-0x24(%rsp)
  nopl   0x0(%rax,%rax,1)
L60:
  test   %eax,%eax
  je     L474
L700:
  xor    %r10d,%r10d
  nopl   0x0(%rax,%rax,1)
L145:
  cmp    %edx,%edi
  jg     L610
  test   %r11d,%r11d
  jle    L732
  sub    $0x1,%r11d
  mov    %edi,%edx
  mov    %rsi,%r8
  mov    -0x30(%rsp),%rsi
  imul   %r11d,%edx
  add    %edx,%edx
  movslq %edx,%rdx
  add    %rdx,%rsi
  xor    %edx,%edx
L610:
  cmp    $0xe,%ecx
  ja     L732
  lea    D13(%rip),%r13
  mov    %ecx,%ebp
  movslq 0x0(%r13,%rbp,4),%rbp
  add    %r13,%rbp
  notrack jmp *%rbp
  xchg   %ax,%ax
L732:
  xor    %eax,%eax
L1:
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   (%rax)
  lea    0x1(%rdx),%ebp
  movslq %ebp,%rbp
  cmp    %edi,%edx
  jge    L145
  nopw   0x0(%rax,%rax,1)
L491:
  sub    $0x1,%eax
  movb   $0x0,-0x2(%rsi,%rbp,2)
  mov    %ebp,%edx
  test   %eax,%eax
  movb   $0x0,-0x1(%rsi,%rbp,2)
  setg   %r13b
  cmp    %ebp,%edi
  setg   %r12b
  add    $0x1,%rbp
  test   %r12b,%r13b
  jne    L491
L308:
  test   %eax,%eax
  jne    L145
L474:
  mov    %ecx,-0x24(%rsp)
  mov    %r9,%r10
  cmp    %r9,-0x8(%rsp)
  ja     L566
L684:
  mov    $0x1,%eax
  jmp    L1
  nopl   (%rax)
  lea    0x1(%rdx),%ebp
  movslq %ebp,%rbp
  cmp    %edi,%edx
  jge    L145
  cs nopw 0x0(%rax,%rax,1)
L156:
  sub    $0x1,%eax
  movb   $0xff,-0x2(%rsi,%rbp,2)
  mov    %ebp,%edx
  test   %eax,%eax
  movb   $0xff,-0x1(%rsi,%rbp,2)
  setg   %r13b
  cmp    %ebp,%edi
  setg   %r12b
  add    $0x1,%rbp
  test   %r12b,%r13b
  jne    L156
  test   %eax,%eax
  jne    L145
  jmp    L474
  xchg   %ax,%ax
  lea    0x1(%rdx),%ebp
  movslq %ebp,%rbp
  cmp    %edi,%edx
  jl     L872
  jmp    L145
  nop
L57:
  movzbl -0x27(%rsp),%r12d
  movzbl -0x28(%rsp),%edx
  sub    $0x1,%eax
  xor    %ebx,%ebx
L415:
  test   %eax,%eax
  mov    %r12b,-0x2(%rsi,%rbp,2)
  setg   %r13b
  cmp    %ebp,%edi
  mov    %dl,-0x1(%rsi,%rbp,2)
  mov    %ebp,%edx
  setg   %r12b
  add    $0x1,%rbp
  test   %r12b,%r13b
  je     L308
L872:
  test   %ebx,%ebx
  jne    L57
  movzbl -0x26(%rsp),%r12d
  movzbl -0x25(%rsp),%edx
  mov    $0x1,%ebx
  jmp    L415
  nopw   0x0(%rax,%rax,1)
  lea    0x1(%rdx),%ebp
  movslq %ebp,%rbp
  cmp    %edi,%edx
  jge    L145
  xchg   %ax,%ax
L92:
  movzbl (%r9),%edx
  sub    $0x1,%eax
  add    $0x2,%r9
  test   %eax,%eax
  mov    %dl,-0x2(%rsi,%rbp,2)
  setg   %r13b
  movzbl -0x1(%r9),%edx
  cmp    %ebp,%edi
  setg   %r12b
  mov    %dl,-0x1(%rsi,%rbp,2)
  mov    %ebp,%edx
  add    $0x1,%rbp
  test   %r12b,%r13b
  jne    L92
  test   %eax,%eax
  jne    L145
  jmp    L474
  nopl   0x0(%rax)
  lea    0x1(%rdx),%ebp
  movslq %ebp,%rbp
  cmp    %edi,%edx
  jge    L145
  movzbl -0x28(%rsp),%r12d
  movzbl -0x27(%rsp),%r13d
  mov    %ecx,-0x14(%rsp)
  mov    %r9,-0x10(%rsp)
  nopl   0x0(%rax,%rax,1)
L807:
  sub    $0x1,%eax
  mov    %r13b,-0x2(%rsi,%rbp,2)
  mov    %ebp,%edx
  test   %eax,%eax
  mov    %r12b,-0x1(%rsi,%rbp,2)
  setg   %r9b
  cmp    %ebp,%edi
  setg   %cl
  add    $0x1,%rbp
  test   %cl,%r9b
  jne    L807
  mov    -0x14(%rsp),%ecx
  mov    -0x10(%rsp),%r9
  test   %eax,%eax
  jne    L145
  jmp    L474
  nopl   0x0(%rax)
  test   %r8,%r8
  je     L410
  lea    0x1(%rdx),%ebp
  movslq %ebp,%rbp
  cmp    %edi,%edx
  jge    L145
  mov    %r11d,-0x10(%rsp)
  mov    -0x18(%rsp),%r13d
  mov    %ecx,-0x14(%rsp)
  mov    -0x24(%rsp),%r11d
  jmp    L796
  nopl   0x0(%rax)
L724:
  xor    %r14d,%edx
  mov    %dl,-0x2(%rsi,%rbp,2)
  movzbl -0x1(%r8,%rbp,2),%edx
  xor    %r15d,%edx
L533:
  sub    $0x1,%eax
  mov    %dl,-0x1(%rsi,%rbp,2)
  mov    %ebp,%edx
  test   %eax,%eax
  setg   %r12b
  cmp    %ebp,%edi
  setg   %cl
  add    $0x1,%rbp
  test   %cl,%r12b
  je     L830
L796:
  add    %r10d,%r10d
  test   $0xfe,%r10b
  jne    L86
  test   %r11d,%r11d
  jne    L525
  movzbl (%r9),%r13d
  mov    $0x1,%r10d
  add    $0x1,%r9
L86:
  movzbl -0x2(%r8,%rbp,2),%edx
  test   %r13d,%r10d
  jne    L724
  mov    %dl,-0x2(%rsi,%rbp,2)
  movzbl -0x1(%r8,%rbp,2),%edx
  jmp    L533
  mov    -0x20(%rsp),%ebp
  test   %ebp,%ebp
  je     L545
  lea    (%rdx,%rdx,1),%ebp
  movslq %ebp,%rbp
  lea    0x1(%rsi,%rbp,1),%r13
  lea    (%rsi,%rbp,1),%r12
  mov    %r13,-0x20(%rsp)
  test   %r8,%r8
  je     L827
  movzbl (%r8,%rbp,1),%r13d
  xor    %r14d,%r13d
  mov    %r13b,(%r12)
  movzbl 0x1(%r8,%rbp,1),%r12d
  xor    %r15d,%r12d
  mov    %r12d,%ebp
L781:
  mov    -0x20(%rsp),%r12
  sub    $0x1,%eax
  add    $0x1,%edx
  mov    %bpl,(%r12)
L545:
  test   %eax,%eax
  setg   %r12b
  cmp    %edi,%edx
  setl   %bpl
  and    %ebp,%r12d
  test   %r8,%r8
  je     L91
  lea    0x1(%rdx),%ebp
  movslq %ebp,%rbp
  test   %r12b,%r12b
  je     L276
  nop
L59:
  movzbl -0x2(%r8,%rbp,2),%edx
  sub    $0x1,%eax
  test   %eax,%eax
  mov    %dl,-0x2(%rsi,%rbp,2)
  setg   %r13b
  movzbl -0x1(%r8,%rbp,2),%edx
  cmp    %ebp,%edi
  setg   %r12b
  mov    %dl,-0x1(%rsi,%rbp,2)
  mov    %ebp,%edx
  add    $0x1,%rbp
  test   %r12b,%r13b
  jne    L59
L276:
  mov    %ecx,-0x20(%rsp)
L582:
  test   %eax,%eax
  jne    L145
  jmp    L474
  nop
  test   %r8,%r8
  je     L274
  lea    0x1(%rdx),%ebp
  movslq %ebp,%rbp
  cmp    %edi,%edx
  jge    L145
  nopw   0x0(%rax,%rax,1)
L34:
  movzbl -0x2(%r8,%rbp,2),%edx
  sub    $0x1,%eax
  xor    %r14d,%edx
  mov    %dl,-0x2(%rsi,%rbp,2)
  movzbl -0x1(%r8,%rbp,2),%edx
  xor    %r15d,%edx
  test   %eax,%eax
  setg   %r13b
  cmp    %ebp,%edi
  mov    %dl,-0x1(%rsi,%rbp,2)
  mov    %ebp,%edx
  setg   %r12b
  add    $0x1,%rbp
  test   %r12b,%r13b
  jne    L34
  test   %eax,%eax
  jne    L145
  jmp    L474
  nopl   0x0(%rax)
L157:
  movl   $0x0,-0x24(%rsp)
  mov    $0x1,%eax
  jmp    L700
  nopw   0x0(%rax,%rax,1)
L362:
  movl   $0x0,-0x24(%rsp)
  jmp    L60
  nopl   (%rax)
  movl   $0x5,-0x24(%rsp)
  mov    $0x2,%ecx
  movl   $0x5,-0x18(%rsp)
  jmp    L60
  nopw   0x0(%rax,%rax,1)
  movl   $0x3,-0x24(%rsp)
  mov    $0x2,%ecx
  movl   $0x3,-0x18(%rsp)
  jmp    L60
  nopw   0x0(%rax,%rax,1)
  movzbl (%r9),%ecx
  lea    0x2(%r9),%r10
  mov    %cl,-0x26(%rsp)
  movzbl 0x1(%r9),%ecx
  mov    %cl,-0x25(%rsp)
  mov    $0x8,%ecx
L693:
  movzbl (%r10),%r9d
  movl   $0x0,-0x24(%rsp)
  mov    %r9b,-0x27(%rsp)
  lea    0x2(%r10),%r9
  movzbl 0x1(%r10),%r10d
  mov    %r10b,-0x28(%rsp)
  jmp    L60
  xchg   %ax,%ax
  mov    -0x24(%rsp),%r12d
  test   %r12d,%r12d
  jne    L829
  cmp    %edx,%edi
  jne    L466
  xor    %ecx,%ecx
  test   %r8,%r8
  je     L60
L466:
  movl   $0x1,-0x20(%rsp)
  xor    %ecx,%ecx
  jmp    L60
  mov    %r9,%r10
  jmp    L693
  nopl   0x0(%rax)
L525:
  mov    %r11d,%r13d
  mov    $0x1,%r10d
  jmp    L86
  cs nopw 0x0(%rax,%rax,1)
L830:
  mov    -0x14(%rsp),%ecx
  mov    -0x10(%rsp),%r11d
  mov    %r13d,-0x18(%rsp)
  test   %eax,%eax
  jne    L145
  jmp    L474
  nopl   0x0(%rax,%rax,1)
L410:
  cmp    %edi,%edx
  jge    L145
  add    $0x1,%edx
  mov    %r8,-0x10(%rsp)
  mov    -0x18(%rsp),%r13d
  mov    %ecx,-0x14(%rsp)
  mov    -0x24(%rsp),%r8d
  movslq %edx,%rbp
  jmp    L188
  nopl   0x0(%rax,%rax,1)
L112:
  movzbl (%r9),%r13d
  mov    $0x1,%r10d
  add    $0x1,%r9
L823:
  xor    %ecx,%ecx
  mov    $0x0,%edx
  test   %r13d,%r10d
  cmovne %r14d,%ecx
  cmovne %r15d,%edx
  sub    $0x1,%eax
  test   %eax,%eax
  setg   %r12b
  cmp    %ebp,%edi
  mov    %cl,-0x2(%rsi,%rbp,2)
  setg   %cl
  mov    %dl,-0x1(%rsi,%rbp,2)
  mov    %ebp,%edx
  add    $0x1,%rbp
  test   %cl,%r12b
  je     L686
L188:
  add    %r10d,%r10d
  test   $0xfe,%r10b
  jne    L823
  test   %r8d,%r8d
  je     L112
  mov    %r8d,%r13d
  mov    $0x1,%r10d
  jmp    L823
  cs nopw 0x0(%rax,%rax,1)
L274:
  cmp    %edi,%edx
  jge    L145
  add    $0x1,%edx
  movslq %edx,%rbp
  xchg   %ax,%ax
L115:
  sub    $0x1,%eax
  mov    %r14b,-0x2(%rsi,%rbp,2)
  mov    %ebp,%edx
  test   %eax,%eax
  mov    %r15b,-0x1(%rsi,%rbp,2)
  setg   %r13b
  cmp    %ebp,%edi
  setg   %r12b
  add    $0x1,%rbp
  test   %r12b,%r13b
  jne    L115
  test   %eax,%eax
  jne    L145
  jmp    L474
  nopl   0x0(%rax)
L91:
  test   %r12b,%r12b
  je     L276
  add    $0x1,%edx
  movslq %edx,%rbp
  nopw   0x0(%rax,%rax,1)
L636:
  sub    $0x1,%eax
  movb   $0x0,-0x2(%rsi,%rbp,2)
  mov    %ebp,%edx
  test   %eax,%eax
  movb   $0x0,-0x1(%rsi,%rbp,2)
  setg   %r13b
  cmp    %ebp,%edi
  setg   %r12b
  add    $0x1,%rbp
  test   %r12b,%r13b
  jne    L636
  mov    %ecx,-0x20(%rsp)
  jmp    L582
  nopl   (%rax)
L686:
  mov    -0x14(%rsp),%ecx
  mov    -0x10(%rsp),%r8
  mov    %r13d,-0x18(%rsp)
  test   %eax,%eax
  jne    L145
  jmp    L474
  nopl   0x0(%rax,%rax,1)
L827:
  mov    %r14b,(%r12)
  mov    %r15d,%ebp
  jmp    L781
  nopl   0x0(%rax)
L829:
  movl   $0x0,-0x24(%rsp)
  xor    %ecx,%ecx
  jmp    L60
  mov    %r9,%r10
  mov    $0x3,%ecx
  jmp    L693
```

assistant: ```c
int bitmap_decompress2(char *output, int width, int height, char *input, int size) {
  char *prevline;
  char *line;
  char *end;
  char color1[2];
  char color2[2];
  char mix[2];
  int code;
  int mixmask;
  int mask;
  int opcode;
  int count;
  int offset;
  int isfillormix;
  int x;
  int lastopcode;
  int insertmix;
  int bicolor;
  int fom_mask;
  end = input + size;
  prevline = 0;
  line = 0;
  x = width;
  lastopcode = -1;
  insertmix = 0;
  bicolor = 0;
  color1[0] = 0;
  color1[1] = 0;
  color2[0] = 0;
  color2[1] = 0;
  mix[0] = 0xff;
  mix[1] = 0xff;
  mask = 0;
  fom_mask = 0;
  while (input < end) {
    fom_mask = 0;
    code = ((unsigned char)(*(input++)));
    opcode = code >> 4;
    switch (opcode) {
    case 0xc:
    case 0xd:
    case 0xe:
      opcode -= 6;
      count = code & 0xf;
      offset = 16;
      break;
    case 0xf:
      opcode = code & 0xf;
      if (opcode < 9) {
        count = ((unsigned char)(*(input++)));
        count |= ((unsigned char)(*(input++))) << 8;
      } else {
        count = (opcode < 0xb) ? 8 : 1;
      }
      offset = 0;
      break;
    default:
      opcode >>= 1;
      count = code & 0x1f;
      offset = 32;
      break;
    }
    if (offset != 0) {
      isfillormix = ((opcode == 2) || (opcode == 7));
      if (count == 0) {
        if (isfillormix) {
          count = ((unsigned char)(*(input++))) + 1;
        } else {
          count = ((unsigned char)(*(input++))) + offset;
        }
      } else if (isfillormix) {
        count <<= 3;
      }
    }
    switch (opcode) {
    case 0:
      if ((lastopcode == opcode) && !((x == width) && (prevline == 0))) {
        insertmix = 1;
      }
      break;
    case 8:
      color1[0] = ((unsigned char)(*(input++)));
      color1[1] = ((unsigned char)(*(input++)));
    case 3:
      color2[0] = ((unsigned char)(*(input++)));
      color2[1] = ((unsigned char)(*(input++)));
      break;
    case 6:
    case 7:
      mix[0] = ((unsigned char)(*(input++)));
      mix[1] = ((unsigned char)(*(input++)));
      opcode -= 5;
      break;
    case 9:
      mask = 0x03;
      opcode = 0x02;
      fom_mask = 3;
      break;
    case 0x0a:
      mask = 0x05;
      opcode = 0x02;
      fom_mask = 5;
      break;
    }
    lastopcode = opcode;
    mixmask = 0;
    while (count > 0) {
      if (x >= width) {
        if (height <= 0) {
          return 0;
        }
        x = 0;
        height--;
        prevline = line;
        line = output + height * (width * 2);
      }
      switch (opcode) {
      case 0:
        if (insertmix) {
          if (prevline == 0) {
            line[x * 2 + 0] = mix[0];
            line[x * 2 + 1] = mix[1];
          } else {
            line[x * 2 + 0] = prevline[x * 2 + 0] ^ mix[0];
            line[x * 2 + 1] = prevline[x * 2 + 1] ^ mix[1];
          }
          insertmix = 0;
          count--;
          x++;
        }
        if (prevline == 0) {
          {
            while ((count > 0) && (x < width)) {
              line[x * 2 + 0] = 0;
              line[x * 2 + 1] = 0;
              ;
              count--;
              x++;
            }
          }
        } else {
          {
            while ((count > 0) && (x < width)) {
              line[x * 2 + 0] = prevline[x * 2 + 0];
              line[x * 2 + 1] = prevline[x * 2 + 1];
              ;
              count--;
              x++;
            }
          }
        }
        break;
      case 1:
        if (prevline == 0) {
          {
            while ((count > 0) && (x < width)) {
              line[x * 2 + 0] = mix[0];
              line[x * 2 + 1] = mix[1];
              ;
              count--;
              x++;
            }
          }
        } else {
          {
            while ((count > 0) && (x < width)) {
              line[x * 2 + 0] = prevline[x * 2 + 0] ^ mix[0];
              line[x * 2 + 1] = prevline[x * 2 + 1] ^ mix[1];
              ;
              count--;
              x++;
            }
          }
        }
        break;
      case 2:
        if (prevline == 0) {
          {
            while ((count > 0) && (x < width)) {
              {
                mixmask <<= 1;
                if ((mixmask & 0xff) == 0) {
                  mask = fom_mask ? fom_mask : ((unsigned char)(*(input++)));
                  mixmask = 1;
                }
              };
              if (mask & mixmask) {
                line[x * 2 + 0] = mix[0];
                line[x * 2 + 1] = mix[1];
              } else {
                line[x * 2 + 0] = 0;
                line[x * 2 + 1] = 0;
              };
              count--;
              x++;
            }
          }
        } else {
          {
            while ((count > 0) && (x < width)) {
              {
                mixmask <<= 1;
                if ((mixmask & 0xff) == 0) {
                  mask = fom_mask ? fom_mask : ((unsigned char)(*(input++)));
                  mixmask = 1;
                }
              };
              if (mask & mixmask) {
                line[x * 2 + 0] = prevline[x * 2 + 0] ^ mix[0];
                line[x * 2 + 1] = prevline[x * 2 + 1] ^ mix[1];
              } else {
                line[x * 2 + 0] = prevline[x * 2 + 0];
                line[x * 2 + 1] = prevline[x * 2 + 1];
              };
              count--;
              x++;
            }
          }
        }
        break;
      case 3: {
        while ((count > 0) && (x < width)) {
          line[x * 2 + 0] = color2[0];
          line[x * 2 + 1] = color2[1];
          ;
          count--;
          x++;
        }
      } break;
      case 4: {
        while ((count > 0) && (x < width)) {
          line[x * 2 + 0] = ((unsigned char)(*(input++)));
          line[x * 2 + 1] = ((unsigned char)(*(input++)));
          ;
          count--;
          x++;
        }
      } break;
      case 8: {
        while ((count > 0) && (x < width)) {
          if (bicolor) {
            line[x * 2 + 0] = color2[0];
            line[x * 2 + 1] = color2[1];
            bicolor = 0;
          } else {
            line[x * 2 + 0] = color1[0];
            line[x * 2 + 1] = color1[1];
            bicolor = 1;
            count++;
          };
          count--;
          x++;
        }
      } break;
      case 0xd: {
        while ((count > 0) && (x < width)) {
          line[x * 2 + 0] = 0xff;
          line[x * 2 + 1] = 0xff;
          ;
          count--;
          x++;
        }
      } break;
      case 0xe: {
        while ((count > 0) && (x < width)) {
          line[x * 2 + 0] = 0;
          line[x * 2 + 1] = 0;
          ;
          count--;
          x++;
        }
      } break;
      default:
        return 0;
        break;
      }
    }
  }
  return 1;
}
```