user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<moveable>:
  endbr64
  push   %r15
  movslq %esi,%rax
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    (%rdi,%rax,4),%r13d
  test   %r13d,%r13d
  je     L122
L280:
  xor    %r13d,%r13d
L311:
  add    $0x8,%rsp
  mov    %r13d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax,%rax,1)
L122:
  mov    %rdi,%r12
  mov    %rax,%rbp
  mov    %eax,%edi
  xor    %eax,%eax
  call   <row@plt>
  mov    %ebp,%edi
  mov    %eax,%ebx
  xor    %eax,%eax
  call   <column@plt>
  mov    %ebp,%edi
  mov    %eax,%r15d
  xor    %eax,%eax
  call   <quadrant@plt>
  mov    %ebx,%esi
  mov    %r12,%rdi
  mov    %eax,%r14d
  xor    %eax,%eax
  call   <inrow@plt>
  mov    %r15d,%esi
  mov    %r12,%rdi
  mov    %eax,%ebp
  xor    %eax,%eax
  call   <incolumn@plt>
  mov    %r14d,%esi
  mov    %r12,%rdi
  or     %eax,%ebp
  xor    %eax,%eax
  call   <inquadrant@plt>
  or     %ebp,%eax
  test   $0x2,%al
  jne    L226
  test   $0x4,%al
  je     L280
  mov    %eax,%r13d
  sar    $0x3,%r13d
  and    $0x1,%r13d
  je     L280
  test   $0x10,%al
  je     L280
L452:
  mov    %eax,%edx
  mov    %r13d,%ecx
  sar    $0x5,%edx
  and    $0x1,%edx
  or     %edx,%ecx
  jne    L209
  test   $0x40,%al
  je     L280
  test   $0x80,%al
  je     L280
  mov    %eax,%edx
  mov    $0x5,%r13d
  sar    $0x8,%edx
  and    $0x1,%edx
L105:
  test   %edx,%edx
  jne    L146
  test   %r13d,%r13d
  jne    L280
  test   $0x2,%ah
  mov    $0x9,%eax
  cmove  %eax,%r13d
  jmp    L311
  nopl   0x0(%rax)
L226:
  test   $0x4,%al
  jne    L274
  test   $0x8,%al
  je     L280
  mov    $0x2,%r13d
  test   $0x10,%al
  jne    L452
  jmp    L280
  nopl   0x0(%rax,%rax,1)
L274:
  test   $0x8,%al
  jne    L82
  test   $0x10,%al
  je     L280
  test   $0x20,%al
  je     L280
  mov    %eax,%edx
  mov    $0x3,%r13d
  sar    $0x6,%edx
  and    $0x1,%edx
L72:
  test   %edx,%edx
  jne    L461
  test   %r13d,%r13d
  jne    L280
  test   $0x80,%al
  je     L227
L156:
  mov    %eax,%edx
  mov    %r13d,%ecx
  sar    $0x8,%edx
  and    $0x1,%edx
  or     %edx,%ecx
  jne    L105
L379:
  mov    $0x8,%r13d
  test   $0x2,%ah
  jne    L311
  jmp    L280
  nopw   0x0(%rax,%rax,1)
L82:
  test   $0x10,%al
  jne    L452
  test   $0x20,%al
  je     L280
  mov    $0x4,%r13d
  test   $0x40,%al
  je     L280
L461:
  mov    %eax,%edx
  mov    %r13d,%ecx
  sar    $0x7,%edx
  and    $0x1,%edx
  or     %edx,%ecx
  jne    L103
L227:
  test   $0x1,%ah
  je     L280
  mov    $0x7,%r13d
  test   $0x2,%ah
  jne    L311
  jmp    L280
L103:
  test   %edx,%edx
  jne    L156
  test   %r13d,%r13d
  jne    L280
  test   $0x1,%ah
  je     L379
L146:
  sar    $0x9,%eax
  and    $0x1,%eax
  mov    %eax,%ecx
  or     %r13d,%ecx
  jne    L391
  mov    $0x9,%r13d
  jmp    L311
L209:
  test   %edx,%edx
  jne    L257
  test   %r13d,%r13d
  jne    L280
  test   $0x40,%al
  jne    L461
L166:
  test   $0x80,%al
  je     L280
  mov    $0x6,%r13d
  test   $0x1,%ah
  jne    L146
  jmp    L280
L257:
  mov    %eax,%edx
  mov    %r13d,%ecx
  sar    $0x6,%edx
  and    $0x1,%edx
  or     %edx,%ecx
  je     L166
  jmp    L72
L391:
  test   %eax,%eax
  jne    L311
  test   %r13d,%r13d
  je     L311
  jmp    L280
```

assistant: ```c
int moveable(sudoku, a)
int sudoku[];
int a;
{
  if (sudoku[a] != 0) {
    return (0);
  }
  int b = row(a);
  int c = column(a);
  int d = quadrant(a);
  int e = inrow(sudoku, b) | incolumn(sudoku, c) | inquadrant(sudoku, d);
  int j = 0;
  int i;
  for (i = 1; i <= 9; i++) {
    if (((e & (1 << i)) == 0) && (j == 0)) {
      j = i;
    } else if (((e & (1 << i)) == 0) && (j > 0)) {
      return (0);
    }
  }
  return (j);
}
```