s_readlink
if ((s_readlink(dynt.devlink, buf, PATH_MAX) == -1) ||
if (s_readlink(link, buf, sizeof (buf)) < 0)
if (s_readlink(link, content, sizeof (content)) < 0) {
if (s_readlink(vlp->abs_path, cont, sizeof (cont)) < 0) {
static int s_readlink(const char *link, char *buf, size_t blen);