ROL                21 crypto/cast.c  #define ROL(x, n) ( ((x)<<(n)) | ((x)>>(32-(n))) )
ROL                30 crypto/michael.c #define ROL(n, x)	(((x) << (n)) | ((x) >> (32 - (n))))
ROL                70 crypto/rmd160.c #define ROL(n, x) (((x) << (n)) | ((x) >> (32-(n))))