strcatesc
static char *strcatesc(char *, char *);
p = strcatesc(buf, rec->attrstr); /* Copy "escaped" */
p = strcatesc(p, rec->alias);
if (rec->cdevice) p = strcatesc(p, rec->cdevice);
if (rec->bdevice) p = strcatesc(p, rec->bdevice);
if (rec->pathname) p = strcatesc(p, rec->pathname);
p = strcatesc(p, attrval->attr);
p = strcatesc(p, attrval->val);