xlen              360 gc/cord/cordxtra.c     size_t xlen = CORD_len(x);
xlen              380 gc/cord/cordxtra.c     if (xlen < start || xlen - start < slen) return(CORD_NOT_FOUND);
xlen              401 gc/cord/cordxtra.c 	if ( match_pos == xlen - slen ) {