void
vfill(SV *sv, SV *ss, SV *sl, SV *sf)
+PROTOTYPE: $$$$
PREINIT:
size_t s, l, n, o;
char f, *v;
void
vcopy(SV *sf, SV *sfs, SV *st, SV *sts, SV *sl)
+PROTOTYPE: $$$$$
PREINIT:
size_t fs, ts, l, lf = 0, n, o;
char *t, *f;
SV *
veq(SV *sv1, SV *ss1, SV *sv2, SV *ss2, SV *sl)
+PROTOTYPE: $$$$$
PREINIT:
size_t s1, s2, l, o, n;
char *v1, *v2;