BLANK
db_putnchars(BLANK, n);
case BLANK:
case BLANK:
text[i] = BLANK;
if (ch == BLANK)
while (i > 0 && text[i - 1] == BLANK)
putchar(BLANK);
if (BLANK & d_mask[*(ptr)]) \
while (BLANK & d_mask[*(++(ptr))]); \
while (BLANK & l_d_mask[*(++pos)]); \
d_mask['\t'] = d_mask[' '] = BLANK | FLD_D;