Reference

Here is a list of all modules:

[detail level 123]

Directories and Files
Services
HTTP Web Server	HTTP Web Server routines are used to run and configure services of the built-in web server
FTP Client & Server	FTP is used for file transfer supporting sub-directories, log-in and a set of manipulation commands
FTP Server Routines	FTP Server Routines enable the transfer of files to a FTP Client
FTP Client Routines	FTP Client Routines provide access to a FTP Server
TFTP Client & Server	TFTP is used for simple file transfer (typically used for boot-loading remote devices)
TFTP Server Routines	TFTP Server Routines enable the transfer of files to a TFTP Client
TFTP Client Routines	TFTP Client Routines provide access to a TFTP Server
Telnet Server	Telnet Server routines allow command line access to an embedded module of an IP network
SNMP Agent	SNMP Agent routines enable network management features
DNS Client	DNS Client routines help to resolve DNS requests using an external DNS server
SNTP Client	SNTP Client routines deliver precise timing information over an IP network
SMTP Client	SMTP Client routines allow sending of e-mail notifications using a SMTP server
Sockets
BSD Socket	BSD socket routines enable BSD compliant communication over TCP/IP
TCP Socket	TCP socket routines enable reliable IP communication using the transmission control protocol (TCP)
UDP Socket	UDP socket routines enable simple IP communication using the user datagram protocol (UDP)
Interfaces
Ethernet	Ethernet routines enable communication over an Ethernet-based IP network
Point-to-Point Protocol (PPP)	PPP routines enable IP communication over a direct connection between two networking nodes
Serial Line Internet Protocol (SLIP)	SLIP routines enable IP communication over a serial line
General Routines	General Routines can be used for various purposes
IGMP Routines	IGMP Routines enable IP Multicasting
System Functions (User)	Core system functions to be called by user
Status and Error Codes	Status and Error Codes returned by Network functions
System Functions (Internal)	Core system functions not to be called by user