# define Ustrcat(s,t) strcat(CS(s), CCS(t))
# define Ustrcpy(s,t) strcpy(CS(s), CCS(t))
# define Ustrncat(s,t,n) strncat(CS(s), CCS(t), n)
# define Ustrcat(s,t) strcat(CS(s), CCS(t))
# define Ustrcpy(s,t) strcpy(CS(s), CCS(t))
# define Ustrncat(s,t,n) strncat(CS(s), CCS(t), n)