user: Please show me the C implementation that matches the assembly code listed below:

```asm
<can_go>:
  endbr64
  mov    %rdx,%r10
  mov    %ecx,%eax
  or     %r8d,%ecx
  js     L154
  cmp    %edi,%eax
  jge    L154
  mov    $0x0,%edx
  cmp    %esi,%r8d
  jge    L313
  mov    %edi,%edx
  imul   %r8d,%edx
  add    %eax,%edx
  movslq %edx,%rdx
  movzbl (%r10,%rdx,1),%ecx
  mov    $0x0,%edx
  cmp    $0x77,%cl
  je     L313
  cmp    $0x6d,%cl
  je     L121
  cmp    0x8(%rsp),%eax
  jne    L26
  cmp    0x10(%rsp),%r8d
  jne    L26
  and    $0xffffffdf,%ecx
  mov    $0x1,%edx
  cmp    $0x53,%cl
  je     L313
  mov    %r9d,%r11d
  and    $0x3,%r11d
  je     L104
  mov    %r9d,%edx
  and    $0x7,%edx
  cmp    $0x4,%edx
  jg     L181
  mov    $0x1,%ecx
L95:
  add    %eax,%ecx
  mov    $0x1,%edx
  cmp    %edi,%ecx
  jge    L313
L104:
  lea    0x6(%r9),%ecx
  mov    %ecx,%edx
  and    $0x3,%edx
  je     L201
  and    $0x7,%ecx
  cmp    $0x4,%ecx
  jg     L271
  lea    0x1(%r8),%ecx
  mov    $0x1,%edx
  cmp    %ecx,%esi
  jle    L313
  jmp    L201
L26:
  mov    %r9d,%edx
  and    $0x3,%edx
  je     L413
L346:
  mov    %r9d,%edx
  and    $0x7,%edx
  cmp    $0x4,%edx
  setle  %dl
  movzbl %dl,%edx
  lea    -0x1(%rdx,%rdx,1),%edx
L413:
  add    %edx,%eax
  mov    $0x0,%edx
  cmp    0x8(%rsp),%eax
  jne    L313
L116:
  lea    0x6(%r9),%edx
  mov    %edx,%eax
  and    $0x3,%eax
  je     L188
  and    $0x7,%edx
  cmp    $0x4,%edx
  setle  %al
  movzbl %al,%eax
  lea    -0x1(%rax,%rax,1),%eax
L188:
  add    %r8d,%eax
  cmp    0x10(%rsp),%eax
  jne    L55
  cmp    0x18(%rsp),%r9d
  je     L377
L55:
  mov    $0x0,%edx
  jmp    L313
L377:
  cmpl   $0x0,0x8(%rsp)
  js     L417
  cmp    0x8(%rsp),%edi
  jle    L417
  cmpl   $0x0,0x10(%rsp)
  js     L275
  cmp    0x10(%rsp),%esi
  jle    L275
  mov    %edi,%eax
  imul   0x10(%rsp),%eax
  add    0x8(%rsp),%eax
  cltq
  movzbl (%r10,%rax,1),%eax
  cmp    $0x62,%al
  je     L297
  cmp    $0x67,%al
  je     L297
  mov    %edi,%eax
  imul   0x10(%rsp),%eax
  add    0x8(%rsp),%eax
  cltq
  mov    $0x1,%edx
  cmpb   $0x73,(%r10,%rax,1)
  je     L313
  mov    %edi,%eax
  imul   0x10(%rsp),%eax
  add    0x8(%rsp),%eax
  cltq
  cmpb   $0x53,(%r10,%rax,1)
  sete   %dl
  movzbl %dl,%edx
  jmp    L313
L297:
  mov    $0x1,%edx
  jmp    L313
L154:
  mov    $0x0,%edx
L313:
  mov    %edx,%eax
  ret
L121:
  mov    $0x0,%edx
  jmp    L313
L417:
  mov    $0x0,%edx
  jmp    L313
L275:
  mov    $0x0,%edx
  jmp    L313
L271:
  mov    $0x1,%edx
  test   %r8d,%r8d
  jle    L313
  mov    $0x1,%edx
  cmp    %esi,%r8d
  jg     L313
  mov    $0xffffffff,%edx
L201:
  add    %r8d,%edx
  imul   %edi,%edx
  test   %r11d,%r11d
  je     L212
  mov    %r9d,%ecx
  and    $0x7,%ecx
  cmp    $0x4,%ecx
  setle  %cl
  movzbl %cl,%ecx
  lea    -0x1(%rax,%rcx,2),%ecx
  add    %edx,%ecx
  movslq %ecx,%rcx
  mov    $0x1,%edx
  cmpb   $0x77,(%r10,%rcx,1)
  jne    L346
  jmp    L313
L181:
  mov    $0x1,%edx
  mov    $0xffffffff,%ecx
  test   %eax,%eax
  jle    L313
  jmp    L95
L212:
  add    %eax,%edx
  movslq %edx,%rax
  mov    $0x1,%edx
  cmpb   $0x77,(%r10,%rax,1)
  jne    L116
  jmp    L313
```

assistant: ```c
int can_go(int w, int h, char *grid, int x1, int y1, int dir1, int x2, int y2, int dir2) {
  if (((x1) < 0 || (x1) >= (w) || (y1) < 0 || (y1) >= (h) ? 'w' : ((grid)[(y1) * (w) + (x1)])) == 'w' || ((x1) < 0 || (x1) >= (w) || (y1) < 0 || (y1) >= (h) ? 'w' : ((grid)[(y1) * (w) + (x1)])) == 'm')
    return 0;
  if (x2 == x1 && y2 == y1 && (((x1) < 0 || (x1) >= (w) || (y1) < 0 || (y1) >= (h) ? 'w' : ((grid)[(y1) * (w) + (x1)])) == 's' || ((x1) < 0 || (x1) >= (w) || (y1) < 0 || (y1) >= (h) ? 'w' : ((grid)[(y1) * (w) + (x1)])) == 'S' || ((x1 + ((dir1)&3 ? (((dir1)&7) > 4 ? -1 : +1) : 0)) < 0 || (x1 + ((dir1)&3 ? (((dir1)&7) > 4 ? -1 : +1) : 0)) >= (w) || (y1 + ((((dir1) + 6) & 3 ? ((((dir1) + 6) & 7) > 4 ? -1 : +1) : 0))) < 0 || (y1 + ((((dir1) + 6) & 3 ? ((((dir1) + 6) & 7) > 4 ? -1 : +1) : 0))) >= (h) ? 'w' : ((grid)[(y1 + ((((dir1) + 6) & 3 ? ((((dir1) + 6) & 7) > 4 ? -1 : +1) : 0))) * (w) + (x1 + ((dir1)&3 ? (((dir1)&7) > 4 ? -1 : +1) : 0))])) == 'w'))
    return 1;
  if (x2 == x1 + ((dir1)&3 ? (((dir1)&7) > 4 ? -1 : +1) : 0) && y2 == y1 + ((((dir1) + 6) & 3 ? ((((dir1) + 6) & 7) > 4 ? -1 : +1) : 0)) && dir1 == dir2 && (((x2) < 0 || (x2) >= (w) || (y2) < 0 || (y2) >= (h) ? 'w' : ((grid)[(y2) * (w) + (x2)])) == 'b' || ((x2) < 0 || (x2) >= (w) || (y2) < 0 || (y2) >= (h) ? 'w' : ((grid)[(y2) * (w) + (x2)])) == 'g' || ((x2) < 0 || (x2) >= (w) || (y2) < 0 || (y2) >= (h) ? 'w' : ((grid)[(y2) * (w) + (x2)])) == 's' || ((x2) < 0 || (x2) >= (w) || (y2) < 0 || (y2) >= (h) ? 'w' : ((grid)[(y2) * (w) + (x2)])) == 'S'))
    return 1;
  return 0;
}
```