qwurx [shmem] .../build/perl-5.25.10> grep hv_iternext_flags *.c *.h
hv.c:	while ((entry = hv_iternext_flags(ohv, 0))) {
hv.c:	while ((entry = hv_iternext_flags(ohv, 0))) {
hv.c:=for apidoc hv_iternext_flags
hv.c:Perl_hv_iternext_flags(pTHX_ HV *hv, I32 flags)
hv.c:    HE * const he = hv_iternext_flags(hv, 0);
hv.c:    while ((entry = hv_iternext_flags(hv, HV_ITERNEXT_WANTPLACEHOLDERS))) {
mathoms.c:    return hv_iternext_flags(hv, 0);
mro_core.c:    /* This is partly based on code in hv_iternext_flags. We are not call-
perl.c:              while ((entry = hv_iternext_flags(dups, 0))) {
perlmini.c:              while ((entry = hv_iternext_flags(dups, 0))) {
regcomp.c:        while ( (temphe = hv_iternext_flags(hv,0)) ) {
regcomp.c:        while ( (temphe = hv_iternext_flags(hv,0)) ) {
embed.h:#define hv_iternext_flags(a,b)	Perl_hv_iternext_flags(aTHX_ a,b)
hv.h:/* Flags for hv_iternext_flags.  */
hv.h:#define hv_iternext(hv)	hv_iternext_flags(hv, 0)
proto.h:PERL_CALLCONV HE*	Perl_hv_iternext_flags(pTHX_ HV *hv, I32 flags)