x_start           179 gc/cord/cordxtra.c int CORD_ncmp(CORD x, size_t x_start, CORD y, size_t y_start, size_t len)
x_start           186 gc/cord/cordxtra.c     CORD_set_pos(xpos, x, x_start);
x_start           219 gc/include/cord.h int CORD_ncmp(CORD x, size_t x_start, CORD y, size_t y_start, size_t len);