Lines Matching defs:dn
158 res_hnok(const char *dn) {
159 int pch = PERIOD, ch = *dn++;
162 int nch = *dn++;
186 res_ownok(const char *dn) {
187 if (asterchar(dn[0])) {
188 if (periodchar(dn[1]))
189 return (res_hnok(dn+2));
190 if (dn[1] == '\0')
193 return (res_hnok(dn));
201 res_mailok(const char *dn) {
205 if (*dn == '\0')
209 while ((ch = *dn++) != '\0') {
220 return (res_hnok(dn));
229 res_dnok(const char *dn) {
232 while ((ch = *dn++) != '\0')