strunvis
int strunvis(char *, const char *);
(void) strunvis(ptr, line);
strunvis(vname, name);
res = strunvis((char *)utx, argv[1]);
ATF_REQUIRE(strunvis(uv, ed[i].e) == ed[i].error);
ATF_REQUIRE(strunvis(pattern, pattern) != -1);
ATF_REQUIRE(strunvis(input, input) != -1);
j = strunvis(uline, line);
if (strunvis((char *)ssp, arg) != sizeof(*ssp))
if (strunvis(tname, p) == -1)
if (strunvis(cur->slink, new->slink) == -1)
if (strunvis(ip->slink, val) == -1)