156    BitStream *bs = malloc ( sizeof(BitStream) );  in bsOpenReadStream()  local
157    if (bs == NULL) mallocFail ( sizeof(BitStream) );  in bsOpenReadStream()
158    bs->handle = stream;  in bsOpenReadStream()
159    bs->buffer = 0;  in bsOpenReadStream()
160    bs->buffLive = 0;  in bsOpenReadStream()
161    bs->mode = 'r';  in bsOpenReadStream()
162    return bs;  in bsOpenReadStream()
169    BitStream *bs = malloc ( sizeof(BitStream) );  in bsOpenWriteStream()  local
170    if (bs == NULL) mallocFail ( sizeof(BitStream) );  in bsOpenWriteStream()
171    bs->handle = stream;  in bsOpenWriteStream()
172    bs->buffer = 0;  in bsOpenWriteStream()
173    bs->buffLive = 0;  in bsOpenWriteStream()
174    bs->mode = 'w';  in bsOpenWriteStream()
175    return bs;  in bsOpenWriteStream()
180 static void bsPutBit ( BitStream* bs, Int32 bit )  in bsPutBit()  argument
182    if (bs->buffLive == 8) {  in bsPutBit()
183       Int32 retVal = putc ( (UChar) bs->buffer, bs->handle );  in bsPutBit()
186       bs->buffLive = 1;  in bsPutBit()
187       bs->buffer = bit & 0x1;  in bsPutBit()
189       bs->buffer = ( (bs->buffer << 1) | (bit & 0x1) );  in bsPutBit()
190       bs->buffLive++;  in bsPutBit()
199 static Int32 bsGetBit ( BitStream* bs )  in bsGetBit()  argument
201    if (bs->buffLive > 0) {  in bsGetBit()
202       bs->buffLive --;  in bsGetBit()
203       return ( ((bs->buffer) >> (bs->buffLive)) & 0x1 );  in bsGetBit()
205       Int32 retVal = getc ( bs->handle );  in bsGetBit()
210       bs->buffLive = 7;  in bsGetBit()
211       bs->buffer = retVal;  in bsGetBit()
212       return ( ((bs->buffer) >> 7) & 0x1 );  in bsGetBit()
218 static void bsClose ( BitStream* bs )  in bsClose()  argument
222    if ( bs->mode == 'w' ) {  in bsClose()
223       while ( bs->buffLive < 8 ) {  in bsClose()
224          bs->buffLive++;  in bsClose()
225          bs->buffer <<= 1;  in bsClose()
227       retVal = putc ( (UChar) (bs->buffer), bs->handle );  in bsClose()
230       retVal = fflush ( bs->handle );  in bsClose()
233    retVal = fclose ( bs->handle );  in bsClose()
235       if (bs->mode == 'w') writeError(); else readError();  in bsClose()
237    free ( bs );  in bsClose()
242 static void bsPutUChar ( BitStream* bs, UChar c )  in bsPutUChar()  argument
246       bsPutBit ( bs, (((UInt32) c) >> i) & 0x1 );  in bsPutUChar()
251 static void bsPutUInt32 ( BitStream* bs, UInt32 c )  in bsPutUInt32()  argument
256       bsPutBit ( bs, (c >> i) & 0x1 );  in bsPutUInt32()