# System Calls : Below are the system calls that can be used to access network functionality. * **getaddrinfo()** : * Function prototye ``` int getaddrinfo(const char *node, // e.g. "www.example.com" or IP const char *service, // e.g. "http" or port number const struct addrinfo *hints, struct addrinfo **res); ``` 1. node : Type : `const char *`