http://192.168.180.206:8001/ 2026-05-13T06:43:55+00:00 http://192.168.180.206:8001/ http://192.168.180.206:8001/_media/wiki:dokuwiki.svg text/html 2025-11-01T13:50:38+00:00 Anonymous (anonymous@undisclosed.example.com) http://192.168.180.206:8001/programming:c:preprocessor:macros?rev=1762005038&do=diff macros * C Preprocessor tricks, tips, and idioms * <http://jhnet.co.uk/articles/cpp_magic> * C Macros: Pseudo-generic methods and structs #define MAX(a, b) \ ({ __typeof__(a) _a = (a); \ __typeof__(b) _b = (b); \ _a > _b ? _a : _b; }) bitfields <code c> #define BITMASK(bit_len, bit_shift) -1) << (bit_shift)) </code< * C Macro to Create Bitfield Defines * Calculating Bitmask Values