tapesize += (etapes - 1) *
(howmany(mapsize * sizeof(char), TP_BSIZE) + 1);
tapesize += etapes + ntrec; /* headers + trailer blks */
tapesize += (etapes - 1) *
(howmany(mapsize * sizeof(char), TP_BSIZE) + 1);
tapesize += etapes + ntrec; /* headers + trailer blks */