Lines Matching refs:NULL
101 return NULL; in lwip_gethostbyname()
107 s_phostent_addr[1] = NULL; in lwip_gethostbyname()
118 if (s_hostent.h_aliases != NULL) { in lwip_gethostbyname()
128 if (s_hostent.h_addr_list != NULL) { in lwip_gethostbyname()
171 if (h_errnop == NULL) { in lwip_gethostbyname_r()
176 if (result == NULL) { in lwip_gethostbyname_r()
182 *result = NULL; in lwip_gethostbyname_r()
183 if ((name == NULL) || (ret == NULL) || (buf == NULL)) { in lwip_gethostbyname_r()
213 h->addr_list[1] = NULL; in lwip_gethostbyname_r()
214 h->aliases = NULL; in lwip_gethostbyname_r()
240 while (ai != NULL) { in lwip_freeaddrinfo()
273 struct sockaddr_in *sa = NULL; in lwip_getaddrinfo()
278 if (res == NULL) { in lwip_getaddrinfo()
281 *res = NULL; in lwip_getaddrinfo()
282 if ((nodename == NULL) && (servname == NULL)) { in lwip_getaddrinfo()
286 if (servname != NULL) { in lwip_getaddrinfo()
295 if (nodename != NULL) { in lwip_getaddrinfo()
307 if (nodename != NULL) { in lwip_getaddrinfo()
316 if (ai == NULL) { in lwip_getaddrinfo()
329 if (hints != NULL) { in lwip_getaddrinfo()
334 if (nodename != NULL) { in lwip_getaddrinfo()
347 if (ai != NULL) { in lwip_getaddrinfo()