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API compatibility
C library (libc) interfaces
Source code compatibility for SCO OpenServer applications
Functions defined in different libraries
Functions that exist only on SCO OpenServer
Data structure incompatibilities
Binary compatibility for SCO OpenServer
Binary compatibility for SCO UnixWare 2.1.X
libc compatibility table (a64l - bzero)
libc compatibility table (calloc - cuserid)
libc compatibility table (dbm_clearerr - dup2)
libc compatibility table (eaccess - fgetpos64)
libc compatibility table (fgetpwent - fprintf)
libc compatibility table (fpsetmask - fseeko64)
libc compatibility table (fsetpos - fwscanf)
libc compatibility table (gcvt - getopt)
libc compatibility table (getpagesize - gettxt)
libc compatibility table (getutent - getutxline)
libc compatibility table (getw - hsearch)
libc compatibility table (iconv - islower)
libc compatibility table (isnan - isxdigit)
libc compatibility table (jrand48 - ltol3)
libc compatibility table (makecontext - mktime)
libc compatibility table (mlock - optopt)
libc compatibility table (pclose - qsort)
libc compatibility table (raise - rindex)
libc compatibility table (scalb - setvbuf)
libc compatibility table (sigaddset - step)
libc compatibility table (strcasecmp - strxfrm)
libc compatibility table (swab - tmpfile64)
libc compatibility table (toascii - updwtmpx)
libc compatibility table (usleep - vwscanf)
libc compatibility table (wait3 - wcsstr)
libc compatibility table (wcstod - wscanf)
C library compatibility notes
tm structure source compatibility notes
bcopy/bcmp/bzero source compatibility notes
bsearch binary compatibility notes
confstr source compatibility notes
dlsym source compatibility notes
eaccess source compatibility notes
fnmatch source compatibility notes
ftw/nftw source compatibility notes
glob/globfree compatibility notes
iconv binary compatibility notes
isnan/isnand/isnanf source compatibility notes
jmp_buf compatibility notes
mallinfo binary compatibility notes
nl_langinfo source compatibility notes
passwd structure compatibility notes
sigset_t compatibility notes
sysconf source compatibility notes
ttyslot source compatibility notes
C general purpose library (libgen) interfaces
mnttab source compatibility notes
pwd.lock file compatibility notes
spwd structure source compatibility notes
Threads and asynchronous I/O (libthread) interfaces
Network support library (libnsl) interfaces
libnsl compatibility table (auth_destroy - clnt_destroy)
libnsl compatibility table (clnt_dg_create - clnt_vc_create)
libnsl compatibility table (clnttcp_create - dials)
libnsl compatibility table (endnetconfig - IN6_IS_ADDR_V4MAPPED)
libnsl compatibility table (inet_ntop - nlsrequest)
libnsl compatibility table (pmap_getmaps - set_rpc_createerr)
libnsl compatibility table (svc_auth_reg - svcerr_weakauth)
libnsl compatibility table (svcfd_crate - svcudp_create)
libnsl compatibility table (svcudp_enablecache - xdr_quadruple)
libnsl compatibility table (xdr_reference - ypprot_err)
libnsl compatibility notes
Connection server compatibility notes
AUTH structure source compatibility notes
CLIENT structure source compatibility notes
Berkeley style client calls
netconfig file notes
Portmapper source compatibility notes
Berkeley style service calls
SVCXPRT structure source compatibility notes
Transport interface (XTI and TLI)
TLI/XTI on SCO OpenServer
TLI/XTI on SCO UnixWare 2.1.X
TLI/XTI compatibility table
Sockets interface
Socket addressing
libsocket compatibility table (accept - ether_ntohost)
libsocket compatibility table (freeaddrinfo - geturg)
libsocket compatibility table (herror - ruserok)
libsocket compatibility table (select - vsyslog)
Sockets compatibility notes
accept source compatibility notes
bind source compatibility notes
connect source compatibility notes
ether_aton source compatibility notes
ether_hostton source compatibility notes
ether_line source compatibility notes
ether_ntoa source compatibility notes
ether_ntohost source compatibility notes
ftruncate/truncate source compatibility notes
getpeername/setpeername source compatibility notes
getsockname/setsockname source compatibility notes
getsockopt/setsockopt source compatibility notes
gettimeofday/settimeofday source compatibility notes
listen source compatibility notes
netgroup compatibility notes
recv/recvfrom/recvmsg source compatibility notes
select source compatibility notes
send/sendto source compatibility notes
shutdown source compatibility notes
socket source compatibility notes
openlog source compatibility notes
Name resolution (libresolv) library routines
_res structures
Resolver options
libresolv compatibility table
res_mkquery compatibility notes
File transfer protocol (ftp) interface
FTP compatibility table
NetBIOS interface
STREAMS interface
STREAMS ioctl compatibility table
STREAMS source compatibility notes
I_GETCLTIME compatibility notes
I_RECVFD source compatibility notes
I_S_RECVFD source compatibility notes
I_SETSIG source compatibility notes
Event queue (libevent) interface
SNMP (libsnmp) interface
make_varbind source compatibility notes
parse_pdu source compatibility notes
SNMP I/O (libsnmpio) interface
get_response source compatibility notes
initialize_io source compatibility notes
send_request source compatibility notes
SMUX (libsmux) interface
Object identifier (OID) structure source notes
Object type (OT) structure source notes
SCO OpenServer 64 bit counters
Aggregate structure notes
Termios and termio interfaces
curses (libocurses) interface
curses header files
terminfo and termcap databases
X/Open curses (formerly libstdcurses) library
BSD database management (libdbm and libndbm) interface
Encryption (libcrypt) interface
Executable and Linking Format (libelf) interface
Licensing API
X client interfaces
X server extensions