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code to verify a number is valid network mask

1 4747

/* unsigned uint32_t x */
return !(x & (~x>>1));
SaSW, Willem
--
Disclaimer: I am in no way responsible for any of the statements
made in the above text. For all I know I might be
drugged or something..
No I'm not paranoid. You all think I'm paranoid, don't you !
#EOT
Sep 16 '07 #2

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