EXRECOVER
execlp(EXRECOVER, "exrecover", "-r", (char *)0);
filioerr(EXRECOVER);
execlp(EXRECOVER, "exrecover", "-x", svalue(vi_DIRECTORY), file, (char *) 0);
execlp(EXRECOVER, "exrecover", svalue(vi_DIRECTORY), file, (char *) 0);