parse_debug_string(const char *debug,
const struct debug_control *control);
bool
+comma_separated_list_contains(const char *list, const char *s);
+bool
env_var_as_boolean(const char *var_name, bool default_value);
+unsigned
+env_var_as_unsigned(const char *var_name, unsigned default_value);
#ifdef __cplusplus
} /* extern C */