Lines Matching defs:Z_NULL
117 Bytef *extra; /* pointer to extra field or Z_NULL if none */
118 uInt extra_len; /* extra field length (valid if extra != Z_NULL) */
120 Bytef *name; /* pointer to zero-terminated file name or Z_NULL */
122 Bytef *comment; /* pointer to zero-terminated comment or Z_NULL */
143 zalloc must return Z_NULL if there is not enough memory for the object.
208 #define Z_NULL 0 /* for initializing zalloc, zfree, opaque */
227 If zalloc and zfree are set to Z_NULL, deflateInit updates them to
350 the caller. If next_in is not Z_NULL and avail_in is large enough (the exact
354 inflate. If zalloc and zfree are set to Z_NULL, inflateInit updates them to
686 caller must assure that, if not Z_NULL, name and comment are terminated with
687 a zero byte, and that if extra is not Z_NULL, that extra_len bytes are
842 was valid if done is set to one.) If extra is not Z_NULL, then extra_max
846 If name is not Z_NULL, then up to name_max characters are written there,
848 comment is not Z_NULL, then up to comm_max characters are written there,
850 any of extra, name, or comment are not Z_NULL and the respective field is
851 not present in the header, then that field is set to Z_NULL to signal its
873 before the call. If zalloc and zfree are Z_NULL, then the default library-
937 calling inflateBack(). If strm->next_in is Z_NULL, then in() will be called
938 immediately for input. If strm->next_in is not Z_NULL, then strm->avail_in
954 distinguished using strm->next_in which will be Z_NULL only if in() returned
955 an error. If strm->next is not Z_NULL, then the Z_BUF_ERROR was due to
1161 gzgets returns buf, or Z_NULL in case of error.
1287 uLong adler = adler32(0L, Z_NULL, 0);
1313 uLong crc = crc32(0L, Z_NULL, 0);
