int vc_get_rlimit(xid_t ctx, int resource, struct vc_rlimit *lim);
int vc_set_rlimit(xid_t ctx, int resource, struct vc_rlimit const *lim);
int vc_get_rlimit_mask(xid_t ctx, struct vc_rlimit_mask *lim);
+ bool vc_parseLimit(char const *, vc_limit_t *);
/** sends a signal to a context/pid