taglinefilesource code
nibblemap48fs/minix/bitmap.cstatic int nibblemap[] = { 0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4 };
nibblemap67fs/minix/bitmap.csum += nibblemap[tmp&0xf] + nibblemap[(tmp>>4)&0xf];
nibblemap71fs/minix/bitmap.csum += nibblemap[bh->b_data[j] & 0xf] 
nibblemap72fs/minix/bitmap.c+ nibblemap[(bh->b_data[j]>>4)&0xf];