The servent block is as defined in unix C.
Offset Contents
0 pointer to official name of service
4 pointer to aliases list for the service, or 0 if none.
8 port number
12 pointer to name of protocol
Or, in C :
struct servent {
char *s_name; /* Official name of service */
char **s_aliases; /* Alternative names for service */
int s_port; /* Port number to use */
char *s_proto; /* Protocol to use */
};
Service aliases list
The aliases list consists of a 0-terminated list of pointers to the alias names. The list, like the servent block itself, is not static.
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