user: Converte this assembly snippet into its equivalent C code:

```asm
<trap>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %esi,-0x2c(%rbp)
  movl   $0x0,-0x18(%rbp)
  cmpl   $0x0,-0x2c(%rbp)
  jne    L22
  mov    $0x0,%eax
  jmp    L53
L22:
  mov    -0x2c(%rbp),%eax
  cltq
  shl    $0x2,%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,-0x10(%rbp)
  mov    -0x2c(%rbp),%eax
  cltq
  shl    $0x2,%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,-0x8(%rbp)
  mov    -0x10(%rbp),%rax
  movl   $0x0,(%rax)
  mov    -0x2c(%rbp),%eax
  cltq
  shl    $0x2,%rax
  lea    -0x4(%rax),%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  movl   $0x0,(%rax)
  movl   $0x1,-0x1c(%rbp)
  jmp    L44
L48:
  mov    -0x1c(%rbp),%eax
  cltq
  shl    $0x2,%rax
  lea    -0x4(%rax),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%edx
  mov    -0x1c(%rbp),%eax
  cltq
  shl    $0x2,%rax
  lea    -0x4(%rax),%rcx
  mov    -0x28(%rbp),%rax
  add    %rcx,%rax
  mov    (%rax),%eax
  mov    -0x1c(%rbp),%ecx
  movslq %ecx,%rcx
  lea    0x0(,%rcx,4),%rsi
  mov    -0x10(%rbp),%rcx
  add    %rsi,%rcx
  cmp    %eax,%edx
  cmovge %edx,%eax
  mov    %eax,(%rcx)
  addl   $0x1,-0x1c(%rbp)
L44:
  mov    -0x2c(%rbp),%eax
  sub    $0x1,%eax
  cmp    %eax,-0x1c(%rbp)
  jl     L48
  mov    -0x2c(%rbp),%eax
  sub    $0x2,%eax
  mov    %eax,-0x1c(%rbp)
  jmp    L18
L58:
  mov    -0x1c(%rbp),%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,4),%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%edx
  mov    -0x1c(%rbp),%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,4),%rcx
  mov    -0x28(%rbp),%rax
  add    %rcx,%rax
  mov    (%rax),%eax
  mov    -0x1c(%rbp),%ecx
  movslq %ecx,%rcx
  lea    0x0(,%rcx,4),%rsi
  mov    -0x8(%rbp),%rcx
  add    %rsi,%rcx
  cmp    %eax,%edx
  cmovge %edx,%eax
  mov    %eax,(%rcx)
  mov    -0x1c(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%edx
  mov    -0x1c(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rcx
  mov    -0x10(%rbp),%rax
  add    %rcx,%rax
  mov    (%rax),%eax
  cmp    %eax,%edx
  cmovle %edx,%eax
  mov    %eax,-0x14(%rbp)
  mov    -0x1c(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  cmp    %eax,-0x14(%rbp)
  jle    L8
  mov    -0x1c(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%edx
  mov    -0x14(%rbp),%eax
  sub    %edx,%eax
  add    %eax,-0x18(%rbp)
L8:
  subl   $0x1,-0x1c(%rbp)
L18:
  cmpl   $0x0,-0x1c(%rbp)
  jg     L58
  mov    -0x10(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    -0x18(%rbp),%eax
L53:
  leave
  ret
```

assistant: ```c
int trap(int *height, int heightSize) {
  int *l_hi, *r_hi, i, m, w = 0;
  if (!heightSize)
    return 0;
  l_hi = (int *)malloc(heightSize * sizeof(int));
  r_hi = (int *)malloc(heightSize * sizeof(int));
  l_hi[0] = 0;
  r_hi[heightSize - 1] = 0;
  for (i = 1; i < heightSize - 1; ++i)
    l_hi[i] = (height[i - 1] > l_hi[i - 1] ? height[i - 1] : l_hi[i - 1]);
  for (i = heightSize - 2; i > 0; --i) {
    r_hi[i] = (height[i + 1] > r_hi[i + 1] ? height[i + 1] : r_hi[i + 1]);
    m = (l_hi[i] < r_hi[i] ? l_hi[i] : r_hi[i]);
    if (height[i] < m)
      w += m - height[i];
  }
  free(l_hi);
  free(r_hi);
  return w;
}
```