| A | E | F | G | H | I | L | N | P | S | T |
| addrinfo | AI_CANONNAME | AI_NUMERICHOST |
| AI_ADDRCONFIG | AI_IDN | AI_NUMERICSERV |
| AI_ALL | AI_IDN_ALLOW_UNASSIGNED | AI_PASSIVE |
| AI_CANONIDN | AI_IDN_USE_STD3_ASCII_RULES | AI_V4MAPPED |
| freeaddrinfo | freehostent |
| herror | HOST_NOT_FOUND | |
| hostent | hstrerror |
| innetgr |
| LIB_C |
| NETDB_INTERNAL | NI_MAXSERV | NO_ADDRESS |
| NETDB_SUCCESS | NI_NAMEREQD | NO_DATA |
| netent | NI_NOFQDN | NO_RECOVERY |
| NI_DGRAM | NI_NUMERICHOST | |
| NI_MAXHOST | NI_NUMERICSERV |
| PAddrInfo | PPHostEnt | PPServEnt |
| PHostEnt | PPNetEnt | protoent |
| PNetEnt | PPProtoEnt | PServEnt |
| PPAddrInfo | PProtoEnt |
| SCOPE_DELIMITER | setnetent | setservent |
| servent | setnetgrent | |
| sethostent | setprotoent |
| TAddrInfo | TNetEnt | TRY_AGAIN |
| THostEnt | TProtoEnt | TServEnt |