user: 这段汇编代码用C语言表示是什么样的？

```asm
<islandPerimeter>:
  endbr64
  mov    %edx,%r10d
  test   %edx,%edx
  jne    L159
L113:
  mov    %r10d,%eax
  ret
  nop
L159:
  mov    %esi,%r11d
  test   %esi,%esi
  jle    L208
  push   %r12
  xor    %r8d,%r8d
  xor    %edx,%edx
  lea    -0x1(%r10),%r9d
  push   %rbp
  lea    -0x1(%rsi),%ebp
  movslq %r10d,%rsi
  push   %rbx
  xchg   %ax,%ax
L394:
  test   %r10d,%r10d
  jle    L408
  mov    (%rdi),%rcx
  xor    %eax,%eax
  cmp    %r8d,%ebp
  je     L63
  test   %r8d,%r8d
  jne    L361
  jmp    L214
  nopl   (%rax)
L319:
  add    $0x1,%rax
  cmp    %rax,%rsi
  je     L408
L361:
  cmpl   $0x1,(%rcx,%rax,4)
  jne    L319
  mov    -0x8(%rdi),%rbx
  cmpl   $0x1,(%rbx,%rax,4)
  mov    0x8(%rdi),%rbx
  adc    $0x0,%edx
  cmpl   $0x1,(%rbx,%rax,4)
  mov    %eax,%ebx
  adc    $0x0,%edx
  test   %rax,%rax
  je     L176
  mov    -0x4(%rcx,%rax,4),%r12d
  test   %r12d,%r12d
  jne    L297
L176:
  add    $0x1,%edx
L297:
  cmp    %ebx,%r9d
  je     L322
  mov    0x4(%rcx,%rax,4),%r12d
  test   %r12d,%r12d
  jne    L319
L322:
  add    $0x1,%rax
  add    $0x1,%edx
  cmp    %rax,%rsi
  jne    L361
  nopl   0x0(%rax)
L408:
  add    $0x1,%r8d
  add    $0x8,%rdi
  cmp    %r8d,%r11d
  jne    L394
  pop    %rbx
  mov    %edx,%eax
  pop    %rbp
  pop    %r12
  ret
L262:
  mov    0x8(%rdi),%r12
  lea    0x1(%rdx),%ebx
  mov    (%r12,%rax,4),%r12d
  test   %r12d,%r12d
  jne    L167
  lea    0x2(%rdx),%ebx
L167:
  mov    %eax,%r12d
  test   %rax,%rax
  je     L326
  cmpl   $0x0,-0x4(%rcx,%rax,4)
  mov    %ebx,%edx
  jne    L201
L326:
  lea    0x1(%rbx),%edx
L201:
  cmp    %r12d,%r9d
  je     L73
  mov    0x4(%rcx,%rax,4),%ebx
  test   %ebx,%ebx
  jne    L381
L73:
  add    $0x1,%edx
L381:
  add    $0x1,%rax
  cmp    %rax,%rsi
  je     L408
L214:
  cmpl   $0x1,(%rcx,%rax,4)
  jne    L381
  jmp    L262
  nopl   0x0(%rax,%rax,1)
L63:
  test   %ebp,%ebp
  jne    L12
  jmp    L274
  nopl   0x0(%rax)
L141:
  add    $0x1,%rax
  cmp    %rax,%rsi
  je     L408
L12:
  cmpl   $0x1,(%rcx,%rax,4)
  jne    L141
  mov    -0x8(%rdi),%rbx
  cmpl   $0x1,(%rbx,%rax,4)
  mov    %eax,%ebx
  adc    $0x0,%edx
  lea    0x1(%rdx),%r12d
  test   %rax,%rax
  je     L288
  cmpl   $0x0,-0x4(%rcx,%rax,4)
  je     L288
  mov    %r12d,%edx
L312:
  cmp    %ebx,%r9d
  je     L119
  mov    0x4(%rcx,%rax,4),%ebx
  test   %ebx,%ebx
  jne    L141
L119:
  add    $0x1,%edx
  jmp    L141
  nopl   (%rax)
L276:
  lea    0x2(%rdx),%r12d
  mov    %eax,%ebx
  test   %rax,%rax
  je     L16
  cmpl   $0x0,-0x4(%rcx,%rax,4)
  je     L16
  mov    %r12d,%edx
L252:
  cmp    %ebx,%r9d
  je     L173
  mov    0x4(%rcx,%rax,4),%ebx
  test   %ebx,%ebx
  jne    L34
L173:
  add    $0x1,%edx
L34:
  add    $0x1,%rax
  cmp    %rax,%rsi
  je     L408
L274:
  cmpl   $0x1,(%rcx,%rax,4)
  jne    L34
  jmp    L276
  nopw   0x0(%rax,%rax,1)
L288:
  add    $0x2,%edx
  jmp    L312
  nopl   (%rax)
L16:
  add    $0x3,%edx
  jmp    L252
L208:
  xor    %r10d,%r10d
  jmp    L113
```

assistant: ```c
int islandPerimeter(int **grid, int gridRowSize, int gridColSize) {
  int res = 0;
  int h = gridRowSize;
  if (h == 0)
    return res;
  int w = gridColSize;
  if (w == 0)
    return res;
  for (int i = 0; i < h; i++) {
    for (int j = 0; j < w; j++) {
      if (grid[i][j] == 1) {
        if (i == 0 || grid[i - 1][j] == 0)
          res++;
        if (i == h - 1 || grid[i + 1][j] == 0)
          res++;
        if (j == 0 || grid[i][j - 1] == 0)
          res++;
        if (j == w - 1 || grid[i][j + 1] == 0)
          res++;
      }
    }
  }
  return res;
}
```