Searched refs:R13_ (Results 1 – 1 of 1) sorted by relevance
100 #define R13_(c) ("abcdefghijklmnopqrstuvwxyz"[((c) + 13) % 26]) macro101 #define ROT13(c, a) (isupper(c) ? toupper(R13_(CharOrdUp(c))) : R13_(CharOrdLow(c)))