char
vax:                  0 1 -128 127 10 100 -100 
ieee (big endian):    0 1 -128 127 10 100 -100 
ieee (little endian): 0 1 -128 127 10 100 -100 
alpha:                0 1 -128 127 10 100 -100 
cray:                 0 1 -128 127 10 100 -100 
