range of 32 bit unsigned int/long

[kamal kc]

dear all,

i am a bit confused over this.

the 16 bit unsigned integer takes the value as i checked myself
for 0 to 2^16-1 (=65535).

but the 32 bit unsigned integer/long does not take the 
value from 0 to 2^32-1 (4294967295).
instead 32 bit unsigned int/long takes the value from
0 to 2^31-1 (2147483647).

the gcc shows that the message
warning: this decimal constant is unsigned only in ISO C90

what is happening, i am confused.

kamal.




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