ckd_sub           149 lib/intprops-internal.h #elif defined ckd_add && defined ckd_sub && !defined _GL_STDCKDINT_H
ckd_sub           151 lib/intprops-internal.h # define _GL_INT_SUBTRACT_WRAPV(a, b, r) ckd_sub (r, + (a), + (b))