Construct an int from bytes

    unsigned char w = 0x22;
    unsigned char x = 0x99;
    unsigned char y = 0x7C;
    unsigned char z = 0xD2;

    int u = w;
    u = u << 8;
    u = u + x;
    u = u << 8;
    u = u + y;
    u = u << 8;
    u = u + z;

    printf("u: %x \n", u);

u: 22997cd2
Program ended with exit code: 0