user: What would the C source look like for the assembly code provided here:

```asm
<placement>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %esi,-0x2c(%rbp)
  mov    %edx,-0x30(%rbp)
  mov    %ecx,-0x34(%rbp)
  mov    %r8d,%eax
  mov    %al,-0x38(%rbp)
  cmpl   $0x5,-0x34(%rbp)
  ja     L114
  mov    -0x34(%rbp),%eax
  lea    0x0(,%rax,4),%rdx
  lea    D17(%rip),%rax
  mov    (%rdx,%rax,1),%eax
  cltq
  lea    D17(%rip),%rdx
  add    %rdx,%rax
  notrack jmp *%rax
  movl   $0x5,-0x14(%rbp)
  jmp    L114
  movl   $0x4,-0x14(%rbp)
  jmp    L114
  movl   $0x3,-0x14(%rbp)
  jmp    L114
  movl   $0x3,-0x14(%rbp)
  jmp    L114
  movl   $0x2,-0x14(%rbp)
  nop
L114:
  movsbl -0x38(%rbp),%edi
  mov    -0x14(%rbp),%ecx
  mov    -0x30(%rbp),%edx
  mov    -0x2c(%rbp),%esi
  mov    -0x28(%rbp),%rax
  mov    %edi,%r8d
  mov    %rax,%rdi
  call   <sanityCheck@plt>
  cmp    $0x2,%eax
  je     L227
  cmp    $0x2,%eax
  jg     L235
  test   %eax,%eax
  je     L152
  cmp    $0x1,%eax
  jne    L235
  mov    $0x1,%eax
  jmp    L106
L227:
  mov    $0x2,%eax
  jmp    L106
L152:
  nop
L235:
  movsbl -0x38(%rbp),%eax
  cmp    $0x57,%eax
  je     L84
  cmp    $0x57,%eax
  jg     L201
  cmp    $0x53,%eax
  je     L53
  cmp    $0x53,%eax
  jg     L201
  cmp    $0x45,%eax
  je     L151
  cmp    $0x4e,%eax
  jne    L201
  movl   $0x0,-0x10(%rbp)
  jmp    L169
L54:
  mov    -0x2c(%rbp),%edx
  mov    -0x10(%rbp),%eax
  lea    (%rdx,%rax,1),%ecx
  mov    -0x28(%rbp),%rdx
  mov    -0x30(%rbp),%eax
  movslq %eax,%rsi
  movslq %ecx,%rcx
  mov    %rcx,%rax
  shl    $0x2,%rax
  add    %rcx,%rax
  add    %rax,%rax
  lea    (%rax,%rsi,1),%rcx
  mov    -0x34(%rbp),%eax
  mov    %eax,(%rdx,%rcx,4)
  addl   $0x1,-0x10(%rbp)
L169:
  mov    -0x10(%rbp),%eax
  cmp    -0x14(%rbp),%eax
  jl     L54
  jmp    L201
L53:
  movl   $0x0,-0xc(%rbp)
  jmp    L237
L18:
  mov    -0x2c(%rbp),%eax
  sub    -0xc(%rbp),%eax
  mov    -0x28(%rbp),%rdx
  mov    -0x30(%rbp),%ecx
  movslq %ecx,%rsi
  movslq %eax,%rcx
  mov    %rcx,%rax
  shl    $0x2,%rax
  add    %rcx,%rax
  add    %rax,%rax
  lea    (%rax,%rsi,1),%rcx
  mov    -0x34(%rbp),%eax
  mov    %eax,(%rdx,%rcx,4)
  addl   $0x1,-0xc(%rbp)
L237:
  mov    -0xc(%rbp),%eax
  cmp    -0x14(%rbp),%eax
  jl     L18
  jmp    L201
L151:
  movl   $0x0,-0x8(%rbp)
  jmp    L92
L57:
  mov    -0x30(%rbp),%eax
  sub    -0x8(%rbp),%eax
  mov    -0x28(%rbp),%rdx
  movslq %eax,%rsi
  mov    -0x2c(%rbp),%eax
  movslq %eax,%rcx
  mov    %rcx,%rax
  shl    $0x2,%rax
  add    %rcx,%rax
  add    %rax,%rax
  lea    (%rax,%rsi,1),%rcx
  mov    -0x34(%rbp),%eax
  mov    %eax,(%rdx,%rcx,4)
  addl   $0x1,-0x8(%rbp)
L92:
  mov    -0x8(%rbp),%eax
  cmp    -0x14(%rbp),%eax
  jl     L57
  jmp    L201
L84:
  movl   $0x0,-0x4(%rbp)
  jmp    L225
L31:
  mov    -0x30(%rbp),%edx
  mov    -0x4(%rbp),%eax
  add    %edx,%eax
  mov    -0x28(%rbp),%rdx
  movslq %eax,%rsi
  mov    -0x2c(%rbp),%eax
  movslq %eax,%rcx
  mov    %rcx,%rax
  shl    $0x2,%rax
  add    %rcx,%rax
  add    %rax,%rax
  lea    (%rax,%rsi,1),%rcx
  mov    -0x34(%rbp),%eax
  mov    %eax,(%rdx,%rcx,4)
  addl   $0x1,-0x4(%rbp)
L225:
  mov    -0x4(%rbp),%eax
  cmp    -0x14(%rbp),%eax
  jl     L31
  nop
L201:
  mov    $0x0,%eax
L106:
  leave
  ret
```

assistant: ```c
int placement(int (*board)[][10], int row, int col, int ship, char direction) {
  int length;
  switch (ship) {
  case 1:
    length = 5;
    break;
  case 2:
    length = 4;
    break;
  case 3:
    length = 3;
    break;
  case 4:
    length = 3;
    break;
  case 5:
    length = 2;
    break;
    break;
  }
  switch (sanityCheck(board, row, col, length, direction)) {
  case 0:
    break;
  case 1:
    return 1;
  case 2:
    return 2;
  }
  switch (direction) {
  case 'N':
    for (int i = 0; i < length; i++) {
      (*board)[row + i][col] = ship;
    }
    break;
  case 'S':
    for (int i = 0; i < length; i++) {
      (*board)[row - i][col] = ship;
    }
    break;
  case 'E':
    for (int i = 0; i < length; i++) {
      (*board)[row][col - i] = ship;
    }
    break;
  case 'W':
    for (int i = 0; i < length; i++) {
      (*board)[row][col + i] = ship;
    }
    break;
  }
  return 0;
}
```