Lines Matching refs:Z_NULL
23 Z_NULL to use the library memory allocation functions.
37 if (version == Z_NULL || version[0] != ZLIB_VERSION[0] ||
40 if (strm == Z_NULL || window == Z_NULL ||
43 strm->msg = Z_NULL; /* in case we return an error */
60 if (state == Z_NULL) return Z_MEM_ERROR;
163 next = Z_NULL; \
243 Z_BUF_ERROR. strm->next_in can be checked for Z_NULL to see whether it
248 are not correct, i.e. strm is Z_NULL or the state was not initialized.
273 if (strm == Z_NULL || strm->state == Z_NULL)
278 strm->msg = Z_NULL;
283 have = next != Z_NULL ? strm->avail_in : 0;
634 if (strm == Z_NULL || strm->state == Z_NULL || strm->zfree == (free_func)0)
637 strm->state = Z_NULL;
