unvis
int unvis(char *, char, int *, int);
DEF_WEAK(unvis);
switch (unvis(dst, c, &state, 0)) {
if (unvis(dst, c, &state, UNVIS_END) == UNVIS_VALID)
switch (unvis(&p, c, &state, 0)) {
if (unvis(&p, c, &state, UNVIS_END) == UNVIS_VALID) {
PROTO_NORMAL(unvis);
if (unvis(&outc, (char)0, &state, UNVIS_END) == UNVIS_VALID)
switch(ret = unvis(&outc, (char)c, &state, 0)) {