C bitmap board

// 64 bit uint used as 8x8 gameboard bitmap
// what am i doing with my life

#include <stdint.h>
// #define UINT64_C(c) c ## ULL

uint64_t  W[4] = {1,1,1,1}, B = {1,1,1,1};
/* 0  0  0  0  0  0  0  0
   0  0  0  0  0  0  0  0
   0  0  0  0  0  0  0  0
   0  0  0  0  0  0  0  0
   0  0  0  0  0  0  0  0
   0  0  0  0  0  0  0  0
   0  0  0  0  0  0  0  0
   0  0  0  0  0  0  0  1 */
B[3] = B[3] << 62;           // 1st byte is    01000000
B[1] = B[1] << 57;           // 1st byte is    00000010
B[2] = B[2] << 55;           // 2nd byte is    10000000
B[0] = B[0] << 48;           // 2nd byte is    00000001
W[1] = W[1] << 15;           // 7th byte is    10000000
W[3] = W[3] <<  8;           // 7th byte is    00000001
W[0] = W[0] <<  6;           // 8th byte is    01000000
W[2] = W[2] <<  1;           // 8th byte is    00000010

uint64_t  BlackSet = B[0] & B[1] & B[2] & B[3];
uint64_t  WhiteSet = W[0] & W[1] & W[2] & W[3];
uint64_t  CollisionSet = BlackSet & WhiteSet;

// return 1 if success
int lshift_white(uint64_t  * selected_piece, unsigned int shift_amount)
{
        if (!((CollisionSet ^ ((*selected_piece) << shift_amount)) == CollisionSet)) {
                WhiteSet = WhiteSet ^ (*selected_piece);
                *selected_piece = (*selected_piece) << shift_amount;
                WhiteSet = WhiteSet & (*selected_piece);
                CollisionSet = WhiteSet & BlackSet;
                return 1;
        } else {
                return 0;
        }
}

int main(int   argc, char  *argv[])
{
        int x = lshift_white(*W[0], 1); // Should be 10000000
        printf("W[0] equals ", W[0]);
        return 0;
}

/*
X:\lvAMZNS\Day7\C>cl main.c
Microsoft (R) C/C++ Optimizing Compiler Version 19.15.26732.1 for x64
Copyright (C) Microsoft Corporation.  All rights reserved.

main.c
main.c(7): error C2078: too many initializers
main.c(16): error C2040: 'B': 'int [3]' differs in levels of indirection from 'uint64_t'
main.c(16): error C2109: subscript requires array or pointer type
main.c(17): error C2040: 'B': 'int [1]' differs in levels of indirection from 'uint64_t'
main.c(17): error C2109: subscript requires array or pointer type
main.c(18): error C2040: 'B': 'int [2]' differs in levels of indirection from 'uint64_t'
main.c(18): error C2109: subscript requires array or pointer type
main.c(19): error C2466: cannot allocate an array of constant size 0
main.c(19): error C2040: 'B': 'int [0]' differs in levels of indirection from 'uint64_t'
main.c(19): error C2109: subscript requires array or pointer type
main.c(20): error C2369: 'W': redefinition; different subscripts
main.c(7): note: see declaration of 'W'
main.c(20): error C2099: initializer is not a constant
main.c(21): error C2369: 'W': redefinition; different subscripts
main.c(7): note: see declaration of 'W'
main.c(21): error C2099: initializer is not a constant
main.c(22): error C2466: cannot allocate an array of constant size 0
main.c(22): error C2371: 'W': redefinition; different basic types
main.c(7): note: see declaration of 'W'
main.c(22): error C2099: initializer is not a constant
main.c(23): error C2369: 'W': redefinition; different subscripts
main.c(7): note: see declaration of 'W'
main.c(23): error C2099: initializer is not a constant
main.c(25): error C2109: subscript requires array or pointer type
main.c(26): error C2099: initializer is not a constant
main.c(27): error C2099: initializer is not a constant
main.c(45): error C2100: illegal indirection
main.c(45): warning C4047: 'function': 'uint64_t *' differs in levels of indirection from 'uint64_t'
main.c(45): warning C4024: 'lshift_white': different types for formal and actual parameter 1
*/