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 */
51 if (state == Z_NULL) return Z_MEM_ERROR;
154 next = Z_NULL; \
234 Z_BUF_ERROR. strm->next_in can be checked for Z_NULL to see whether it
239 are not correct, i.e. strm is Z_NULL or the state was not initialized.
264 if (strm == Z_NULL || strm->state == Z_NULL)
269 strm->msg = Z_NULL;
274 have = next != Z_NULL ? strm->avail_in : 0;
617 if (strm == Z_NULL || strm->state == Z_NULL || strm->zfree == (free_func)0)
620 strm->state = Z_NULL;
