Lines Matching refs:NULL
62 if (tag == NULL)
63 return (NULL);
64 alist = isccc_sexpr_cons(tag, NULL);
65 if (alist == NULL) {
67 return (NULL);
78 if (alist == NULL || alist->type != ISCCC_SEXPRTYPE_DOTTEDPAIR)
81 if (car == NULL || car->type != ISCCC_SEXPRTYPE_STRING)
93 if (CDR(alist) == NULL)
118 while (alist != NULL) {
129 return (NULL);
141 while (rest != NULL) {
144 INSIST(car != NULL && car->type == ISCCC_SEXPRTYPE_DOTTEDPAIR);
149 CDR(rest) = NULL;
164 if (kv == NULL) {
169 if (k == NULL)
170 return (NULL);
172 if (kv == NULL) {
174 return (NULL);
177 if (elt == NULL) {
179 return (NULL);
198 if (v == NULL)
199 return (NULL);
201 if (kv == NULL)
213 if (v == NULL)
214 return (NULL);
216 if (kv == NULL)
228 if (kv != NULL)
230 return (NULL);
239 if (kv != NULL) {
242 if (strp != NULL)
258 if (kv != NULL) {
261 if (r != NULL)
280 elt != NULL;
290 if (CDR(elt) != NULL)
300 elt != NULL;
304 if (CDR(elt) != NULL)