70 struct gz_stream {  struct
75 	z_stream	gz_stream;	/* zlib state */  argument
106 	struct gz_stream *s;  in gz_init()
113 	s->gz_stream.zalloc = gz_alloc;  in gz_init()
114 	s->gz_stream.zfree = gz_free;  in gz_init()
115 	s->gz_stream.opaque = NULL;  in gz_init()
116 	s->gz_stream.next_in = Z_NULL;  in gz_init()
117 	s->gz_stream.avail_in = 0;  in gz_init()
126 	error = deflateInit2(&s->gz_stream, level, Z_DEFLATED, -MAX_WBITS,  in gz_init()
143 	struct gz_stream *s;  in gz_reset()
151 	(void)deflateReset(&s->gz_stream);  in gz_reset()
152 	s->gz_stream.avail_out = s->gz_bufsz;  in gz_reset()
153 	s->gz_stream.next_out = s->gz_buffer;  in gz_reset()
162 	s->gz_stream.next_out += hdrlen;  in gz_reset()
163 	s->gz_stream.avail_out -= hdrlen;  in gz_reset()
170 	struct gz_stream *s;  in gz_write()
179 		s->gz_stream.avail_in = len;  in gz_write()
180 		s->gz_stream.next_in = data;  in gz_write()
186 		zerror = deflate(&s->gz_stream, zflag);  in gz_write()
192 		if (s->gz_stream.avail_out == 0 || zerror == Z_STREAM_END) {  in gz_write()
197 			len = s->gz_bufsz - s->gz_stream.avail_out;  in gz_write()
205 				    htole32(s->gz_stream.total_in);  in gz_write()
217 			s->gz_stream.next_out = s->gz_buffer;  in gz_write()
218 			s->gz_stream.avail_out = s->gz_bufsz;  in gz_write()
229 	    (zflag == Z_FINISH || s->gz_stream.avail_in > 0));  in gz_write()
237 	struct gz_stream *s;  in gz_fini()
240 	(void)deflateEnd(&s->gz_stream);  in gz_fini()