==15332== Invalid read of size 4
==15332==    at 0x4EA5F8C: getdelim (iogetdelim.c:56)
==15332==    by 0x400B61: fill_pnm_image (in /home/akimtsaris/fox)
==15332==    by 0x400F42: main (in /home/akimtsaris/fox)
==15332==  Address 0x0 is not stack'd, malloc'd or (recently) free'd