Here is a list of all documented files with brief descriptions:

[detail level 1234]

▼ libsofia-sip-ua
▼ msg
▼ sofia-sip
msg.h	Base message interface
msg_addr.h	Addressing and I/O interface for messages
msg_buffer.h	Internal buffer management functions
msg_date.h	Types and functions for handling dates and times
msg_header.h	Message headers
msg_mclass.h	Parser table and message factory object
msg_mclass_hash.h	Hash function for header names
msg_mime.h	MIME headers and multipart messages (RFC 2045)
msg_parser.h	Message parser interface
msg_tag_class.h	Functions for constructing per-protocol tag classes
msg_types.h	Types for messages and common headers
msg_internal.h	Abstract messages - internal interface
▼ sofia-sip
msg_mime_protos.h	Prototypes for MIME headers (RFC 2045)
msg_protos.h	Prototypes for common headers