Here is a list of all files with brief descriptions:

auth.c
common.h
compression.c
compression_dummy.c
conn.c
crypto.c
ctx.c
deprecated.c
event.c
handler.c
hash.c
hash.h
jid.c
md5.c
md5.h
ostypes.h
parser.h
parser_expat.c
parser_libxml2.c
rand.c
resolver.c
resolver.h
sasl.c
sasl.h
scram.c
scram.h
sha.h
sha1.c
sha1.h
sha256.c
sha256.h
sha512.c
sha512.h
snprintf.c
snprintf.h
sock.c
sock.h
stanza.c
strophe.h
tls.c
tls.h
tls_dummy.c
tls_gnutls.c
tls_openssl.c
tls_schannel.c
util.c
util.h
uuid.c