Plan 9 from Bell Labs’s /usr/web/sources/contrib/pac/sys/src/ape/cmd/bio/MrBayes_2.01/jph.h
#undef NO_ERROR #undef ERROR #define NO_ERROR 0 #define ERROR 1 #undef FALSE #undef TRUE #define FALSE 0 #define TRUE 1 #define NO 0 #define YES 1 #define UP 0 #define DOWN 1 #define ORDERED 0 #define UNORDERED 1 #define pos(i,j,n) ((i)*(n)+(j))
