user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<main>:
  endbr64
  xor    %eax,%eax
  mov    $0x7,%ecx
  xor    %edx,%edx
  nopl   (%rax)
L109:
  mov    %edx,%esi
  sar    $0x2,%esi
  lea    0x7(%rsi,%rsi,2),%esi
  cmp    %ecx,%esi
  setne  %sil
  add    $0x4,%edx
  add    $0x3,%ecx
  movzbl %sil,%esi
  add    %esi,%eax
  cmp    $0x40,%edx
  jne    L109
  test   %eax,%eax
  jne    1060 <main.cold>
  xor    %edx,%edx
  mov    $0x7,%ecx
  nop
L54:
  mov    %edx,%esi
  sar    $0x2,%esi
  lea    0x7(%rsi,%rsi,2),%esi
  cmp    %ecx,%esi
  setne  %sil
  add    $0x4,%edx
  add    $0x3,%ecx
  movzbl %sil,%esi
  add    %esi,%eax
  cmp    $0x40,%edx
  jne    L54
  test   %eax,%eax
  jne    1060 <main.cold>
  xor    %r9d,%r9d
  mov    $0x17,%edi
  mov    $0x7,%esi
  nopl   (%rax)
L99:
  mov    %esi,%edx
  lea    0x7(%r9),%r8d
  xchg   %ax,%ax
L111:
  xor    %ecx,%ecx
  cmp    %esi,%r8d
  setne  %cl
  add    $0x2,%edx
  add    %ecx,%eax
  cmp    %edx,%edi
  jne    L111
  add    $0x10,%esi
  add    $0x10,%edi
  add    $0x10,%r9d
  cmp    $0x87,%esi
  jne    L99
  test   %eax,%eax
  jne    1060 <main.cold>
  xor    %r9d,%r9d
  mov    $0x17,%edi
  mov    $0x7,%esi
  nopl   0x0(%rax,%rax,1)
L105:
  mov    %esi,%edx
  lea    0x7(%r9),%r8d
  cs nopw 0x0(%rax,%rax,1)
L30:
  xor    %ecx,%ecx
  cmp    %esi,%r8d
  setne  %cl
  add    $0x2,%edx
  add    %ecx,%eax
  cmp    %edx,%edi
  jne    L30
  add    $0x10,%esi
  add    $0x10,%edi
  add    $0x10,%r9d
  cmp    $0x87,%esi
  jne    L105
  test   %eax,%eax
  jne    1060 <main.cold>
  xor    %edx,%edx
  mov    $0x7,%ecx
  nopw   0x0(%rax,%rax,1)
L102:
  mov    %edx,%esi
  sar    $0x2,%esi
  lea    0x7(%rsi,%rsi,2),%esi
  cmp    %ecx,%esi
  setne  %sil
  add    $0x4,%edx
  add    $0x3,%ecx
  movzbl %sil,%esi
  add    %esi,%eax
  cmp    $0x40,%edx
  jne    L102
  test   %eax,%eax
  jne    1060 <main.cold>
  xor    %edx,%edx
  mov    $0x7,%ecx
  nopw   0x0(%rax,%rax,1)
L108:
  mov    %edx,%esi
  sar    $0x2,%esi
  lea    0x7(%rsi,%rsi,2),%esi
  cmp    %ecx,%esi
  setne  %sil
  add    $0x4,%edx
  add    $0x3,%ecx
  movzbl %sil,%esi
  add    %esi,%eax
  cmp    $0x40,%edx
  jne    L108
  test   %eax,%eax
  jne    1060 <main.cold>
  xor    %r9d,%r9d
  mov    $0x17,%edi
  mov    $0x7,%esi
  nopl   (%rax)
L23:
  mov    %esi,%edx
  lea    0x7(%r9),%r8d
  xchg   %ax,%ax
L3:
  xor    %ecx,%ecx
  cmp    %esi,%r8d
  setne  %cl
  add    $0x2,%edx
  add    %ecx,%eax
  cmp    %edx,%edi
  jne    L3
  add    $0x10,%esi
  add    $0x10,%edi
  add    $0x10,%r9d
  cmp    $0x87,%esi
  jne    L23
  test   %eax,%eax
  jne    1060 <main.cold>
  xor    %r9d,%r9d
  mov    $0x17,%edi
  mov    $0x7,%esi
  nopl   0x0(%rax,%rax,1)
L72:
  mov    %esi,%edx
  lea    0x7(%r9),%r8d
  cs nopw 0x0(%rax,%rax,1)
L33:
  xor    %ecx,%ecx
  cmp    %esi,%r8d
  setne  %cl
  add    $0x2,%edx
  add    %ecx,%eax
  cmp    %edx,%edi
  jne    L33
  add    $0x10,%esi
  add    $0x10,%edi
  add    $0x10,%r9d
  cmp    $0x87,%esi
  jne    L72
  test   %eax,%eax
  jne    1060 <main.cold>
  ret
```

assistant: ```c
int main() {
  int i, j, b, c = 0;
  i = 4;
  j = 4;
  b = 7;
#pragma omp simd linear(b : 2) reduction(+ : c)
  for (i = 0; i < 64; i++) {
    c = c + (b != 7 + 2 * i);
    b = b + 2;
  }
  if (c || i != 64 || b != 7 + 64 * 2)
    __builtin_abort();
  i = 4;
  j = 4;
  b = 7;
#pragma omp simd linear(b : 3) reduction(+ : c)
  for (i = 0; i < 64; i += 4) {
    c = c + (b != 7 + i / 4 * 3);
    b = b + 3;
  }
  if (c || i != 64 || b != 7 + 16 * 3)
    __builtin_abort();
  i = 4;
  j = 4;
  b = 7;
#pragma omp simd linear(i) linear(b : 2) reduction(+ : c)
  for (i = 0; i < 64; i++) {
    c = c + (b != 7 + 2 * i);
    b = b + 2;
  }
  if (c || i != 64 || b != 7 + 64 * 2)
    __builtin_abort();
  i = 4;
  j = 4;
  b = 7;
#pragma omp simd linear(i : 4) linear(b : 3) reduction(+ : c)
  for (i = 0; i < 64; i += 4) {
    c = c + (b != 7 + i / 4 * 3);
    b = b + 3;
  }
  if (c || i != 64 || b != 7 + 16 * 3)
    __builtin_abort();
  i = 4;
  j = 4;
  b = 7;
#pragma omp simd collapse(2) linear(b : 2) reduction(+ : c)
  for (i = 0; i < 8; i++)
    for (j = 0; j < 8; j++) {
      c = c + (b != 7 + 2 * j + 2 * 8 * i);
      b = b + 2;
    }
  if (c || i != 8 || j != 8 || b != 7 + 64 * 2)
    __builtin_abort();
  i = 4;
  j = 4;
  b = 7;
#pragma omp simd collapse(2) lastprivate(i, j) linear(b : 2) reduction(+ : c)
  for (i = 0; i < 8; i++)
    for (j = 0; j < 8; j++) {
      c = c + (b != 7 + 2 * j + 2 * 8 * i);
      b = b + 2;
    }
  if (c || i != 8 || j != 8 || b != 7 + 64 * 2)
    __builtin_abort();
  i = 4;
  j = 4;
  b = 7;
#pragma omp parallel for simd schedule(static, 4) linear(b : 2) reduction(+ : c)
  for (i = 0; i < 64; i++) {
    c = c + (b != 7 + 2 * i);
    b = b + 2;
  }
  if (c || i != 64 || b != 7 + 64 * 2)
    __builtin_abort();
  i = 4;
  j = 4;
  b = 7;
#pragma omp parallel for simd schedule(static, 4) linear(b : 3) reduction(+ : c)
  for (i = 0; i < 64; i += 4) {
    c = c + (b != 7 + i / 4 * 3);
    b = b + 3;
  }
  if (c || i != 64 || b != 7 + 16 * 3)
    __builtin_abort();
  i = 4;
  j = 4;
  b = 7;
#pragma omp parallel for simd schedule(static, 4) linear(i) linear(b : 2) reduction(+ : c)
  for (i = 0; i < 64; i++) {
    c = c + (b != 7 + 2 * i);
    b = b + 2;
  }
  if (c || i != 64 || b != 7 + 64 * 2)
    __builtin_abort();
  i = 4;
  j = 4;
  b = 7;
#pragma omp parallel for simd schedule(static, 4) linear(i : 4) linear(b : 3) reduction(+ : c)
  for (i = 0; i < 64; i += 4) {
    c = c + (b != 7 + i / 4 * 3);
    b = b + 3;
  }
  if (c || i != 64 || b != 7 + 16 * 3)
    __builtin_abort();
  i = 4;
  j = 4;
  b = 7;
#pragma omp parallel for simd lastprivate(i, j) collapse(2) schedule(static, 4) linear(b : 2) reduction(+ : c)
  for (i = 0; i < 8; i++)
    for (j = 0; j < 8; j++) {
      c = c + (b != 7 + 2 * j + 2 * 8 * i);
      b = b + 2;
    }
  if (c || i != 8 || j != 8 || b != 7 + 64 * 2)
    __builtin_abort();
  i = 4;
  j = 4;
  b = 7;
#pragma omp parallel for simd collapse(2) schedule(static, 4) linear(b : 2) reduction(+ : c)
  for (i = 0; i < 8; i++)
    for (j = 0; j < 8; j++) {
      c = c + (b != 7 + 2 * j + 2 * 8 * i);
      b = b + 2;
    }
  if (c || i != 8 || j != 8 || b != 7 + 64 * 2)
    __builtin_abort();
  return 0;
}
```