Lines Matching refs:dn
171 res_hnok(const char *dn) {
172 int pch = PERIOD, ch = *dn++;
175 int nch = *dn++;
199 res_ownok(const char *dn) {
200 if (asterchar(dn[0])) {
201 if (periodchar(dn[1]))
202 return (res_hnok(dn+2));
203 if (dn[1] == '\0')
206 return (res_hnok(dn));
214 res_mailok(const char *dn) {
218 if (*dn == '\0')
222 while ((ch = *dn++) != '\0') {
233 return (res_hnok(dn));
242 res_dnok(const char *dn) {
245 while ((ch = *dn++) != '\0')