FILE DESCRIPTORS: 5 open at exit. Open file descriptor .: /dev/null at 0x........: (within /...libc...) by 0x........: fcntl (in /...libc...) by 0x........: main (fdleak_fcntl.c:18) Open file descriptor .: /dev/null at 0x........: open (in /...libc...) by 0x........: __libc_start_main (in /...libc...) by 0x........: ... Open file descriptor .: . Open file descriptor .: . Open file descriptor .: /dev/null