char *__get_srcline(struct dso *dso, u64 addr, struct symbol *sym,
bool show_sym, bool show_addr, bool unwind_inlines,
u64 ip);
-void free_srcline(char *srcline);
+void zfree_srcline(char **srcline);
char *get_srcline_split(struct dso *dso, u64 addr, unsigned *line);
/* insert the srcline into the DSO, which will take ownership */