[n0iz@nomad ~]$ echo !!
==22454== Conditional jump or move depends on uninitialised value(s)
==22454== at 0x407505: start_substitution (history_substitution.c:38)
==22454== by 0x407787: history_substitution (history_substitution.c:111)
==22454== by 0x407D1C: main_loop (main.c:22)
==22454== by 0x407CA5: main (main.c:61)
Valgrindin'