gz_avail: gz_avail <0
gzclose: gzclose <0
gzclose_r: gzclose_r <0
gzclose_w: gzclose_w <0
gz_comp: gz_comp <0
gz_decomp: gz_decomp <=0
gzdirect: gzdirect bottom
gzdopen: gzdopen ==0
gz_fetch: gz_fetch <0
gzflush: gzflush bottom
gzfread: gzfread ==0
gzfwrite: gzfwrite ==0
gzgetc: gzgetc bottom
gzgets: gzgets ==0
gz_init: gz_init <0
gz_load: gz_load <0
gz_look: gz_look <0
gzopen64: gzopen64 ==0
gz_open: gz_open ==0
gzopen: gzopen ==0
gzputc: gzputc <0
gzputs: gzputs <0
gz_read: gz_read ==0
gzread: gzread <0
gzsetparams: gzsetparams bottom
gz_skip: gz_skip <0
gzungetc: gzungetc <0
gzvprintf: gzvprintf bottom
gz_write: gz_write ==0
gzwrite: gzwrite ==0
gz_zero: gz_zero <0
malloc: malloc ==0
zcalloc: zcalloc ==0
