Replaced use of snprintf() with memcpy()/memmove().

[nmh] / docs / historical / mh-jun-1982 / progs / scansub.h

#define DOTIME  1       /* show the time with the date */
#define NUMDATE 2       /* do entire date like yymmdd */
                        /* or yymmddhhmm if DOTIME set */
                        /* not implemented yet */