user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<main>:
  endbr64
  xor    %eax,%eax
  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;
}
```