ENC_KEYING_IN_C
#if (FUNCS_IN_C & ENC_KEYING_IN_C)
# define EFUNCS_IN_C ENC_KEYING_IN_C
# define EFUNCS_IN_C ( ENCRYPTION_IN_C | ENC_KEYING_IN_C )
# if ((FUNCS_IN_C & ENC_KEYING_IN_C) || (FUNCS_IN_C & DEC_KEYING_IN_C))