type            typical size                value range
char             1 byte (8 bits)            -128 to 127
unsigned char    1 byte                        0 to 255
short            2 bytes                    -32768 to 32767
unsigned short   2 bytes                       0 to 65535
int              4 bytes                    -2147483648 to 2147483647
unsigned int     4 bytes                    0 to 4294967295
long             4 bytes                    -2147483648 to 2147483647
unsigned long    4 bytes                    0 to 4294967295