71     size_t      offset;     /* current write offset */  member
86     DBUG(("+++ ensureCap off=%d size=%d\n", stream->offset, writeSize));  in ensureCapacity()
88     size_t neededSize = stream->offset + writeSize + 1;  in ensureCapacity()
129     if (stream->eof < stream->offset) {  in write_memstream()
131             stream->eof, stream->offset-1));  in write_memstream()
133             stream->offset - stream->eof);  in write_memstream()
137     memcpy(*stream->bufp + stream->offset, buf, size);  in write_memstream()
138     stream->offset += size;  in write_memstream()
140     if (stream->offset > stream->eof) {  in write_memstream()
142         DBUG(("+++ EOF advanced to %d, appending nul\n", stream->offset));  in write_memstream()
143         assert(stream->offset < stream->allocSize);  in write_memstream()
144         stream->eof = stream->offset;  in write_memstream()
148             *(*stream->bufp + stream->offset), stream->offset));  in write_memstream()
149         stream->saved = *(*stream->bufp + stream->offset);  in write_memstream()
151     *(*stream->bufp + stream->offset) = '\0';  in write_memstream()
152     *stream->sizep = stream->offset;  in write_memstream()
162 static fpos_t seek_memstream(void* cookie, fpos_t offset, int whence)  in seek_memstream()  argument
165     off_t newPosn = (off_t) offset;  in seek_memstream()
168         newPosn += stream->offset;  in seek_memstream()
180     if (stream->offset < stream->eof) {  in seek_memstream()
186             stream->saved, stream->offset));  in seek_memstream()
187         *(*stream->bufp + stream->offset) = stream->saved;  in seek_memstream()
190     stream->offset = (size_t) newPosn;  in seek_memstream()
192     if (stream->offset < stream->eof) {  in seek_memstream()
197         stream->saved = *(*stream->bufp + stream->offset);  in seek_memstream()
198         *(*stream->bufp + stream->offset) = '\0';  in seek_memstream()
199         *stream->sizep = stream->offset;  in seek_memstream()