#---------- Formatting codes for struct module----------#
x       pad byte             0 bytes
c       char                 1 bytes
b       signed char          1 bytes
B       unsigned char        1 bytes
h       short int            2 bytes
H       unsigned short       2 bytes
i       int                  4 bytes
I       unsigned int         4 bytes
l       long int             4 bytes
L       unsigned long        4 bytes
q       long long int        8 bytes
Q       unsigned long long   8 bytes
f       float                4 bytes
d       double               8 bytes
s       string               padded to size
p       Pascal string        padded to size
P       char pointer         4 bytes