20 lines
469 B
C
20 lines
469 B
C
/*
|
|
* BIRD Library -- Generic Bit Operations
|
|
*
|
|
* (c) 1998 Martin Mares <mj@ucw.cz>
|
|
*
|
|
* Can be freely distributed and used under the terms of the GNU GPL.
|
|
*/
|
|
|
|
/*
|
|
* Bit mask operations:
|
|
*
|
|
* u32_mkmask Make bit mask consisting of <n> consecutive ones
|
|
* from the left and the rest filled with zeroes.
|
|
* E.g., u32_mkmask(5) = 0xf8000000.
|
|
* u32_masklen Inverse operation to u32_mkmask, -1 if not a bitmask.
|
|
*/
|
|
|
|
u32 u32_mkmask(unsigned);
|
|
int u32_masklen(u32);
|