lwIP - A Minimal TCP/IP implementation - Wikia

15 API reference 21
15.1 Data types ........................................ 21
15.1.1 Netbufs ...................................... 21
15.2 Buffer functions ...................................... 21
15.2.1 netbuf new() ................................... 21
15.2.2 netbuf delete() .................................. 21
15.2.3 netbuf alloc() ................................... 22
15.2.4 netbuf free() ................................... 22
15.2.5 netbuf ref() .................................... 22
15.2.6 netbuf len() .................................... 23
15.2.7 netbuf data() ................................... 23
15.2.8 netbuf next() ................................... 23
15.2.9 netbuf first() ................................... 24
15.2.10 netbuf copy() ................................... 24
15.2.11 netbuf chain() .................................. 24
15.2.12 netbuf fromaddr() ................................ 24
15.2.13 netbuf fromport() ................................ 25
16 Network connection functions 25
16.0.14 netconn new() .................................. 25
16.0.15 netconn delete() ................................. 25
16.0.16 netconn type() .................................. 25
16.0.17 netconn peer() .................................. 25
16.0.18 netconn addr() .................................. 26
16.0.19 netconn bind() .................................. 26
16.0.20 netconn connect() ................................ 26
16.0.21 netconn listen() .................................. 26
16.0.22 netconn accept() ................................. 26
16.0.23 netconn recv() .................................. 27
16.0.24 netconn write() .................................. 28
16.0.25 netconn send() .................................. 29
16.0.26 netconn close() .................................. 30
17 BSD socket library 30
17.1 The representation of a socket .............................. 30
17.2 Allocating a socket .................................... 30
17.2.1 The socket() call ................................ 30
17.3 Connection setup ..................................... 31
17.3.1 The bind() call ................................. 31
17.3.2 The connect() call ............................... 31
17.3.3 The listen() call ................................ 32
17.3.4 The accept() call ................................ 32
17.4 Sending and receiving data ............................... 33
17.4.1 The send() call ................................. 33
17.4.2 The sendto() and sendmsg() calls ....................... 34
17.4.3 The write() call ................................. 34
17.4.4 The recv() and read() calls .......................... 35
17.4.5 The recvfrom() and recvmsg() calls ..................... 36
18 Code examples 36
18.1 Using the API ...................................... 36
18.2 Directly interfacing the stack .............................. 39
Bibliography 41