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This is an extract from:
A Source Book from The Open Group
The Authorized Guide to the Single UNIX Specification, Version 3
The Open Group
Copyright January 2005, The Open Group
All rights reserved.
No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or
by any means, electronic, mechanical, photocopying, recording or otherwise, without the prior permission
of the copyright owners.
A Source Book from The Open Group
The Authorized Guide to the Single UNIX Specification, Version 3
Published in the U.K. by The Open Group, January 2005.
Any comments relating to the material contained in this document may be submitted to:
The Open Group
Apex Plaza
Forbury Road
Reading
Berkshire, RG1 1AX
United Kingdom
or by Electronic Mail to:
OGSpecs@opengroup.org
ii A Source Book from The Open Group (2005)
____________________________________________________
Chapter 9
System Interface Table
____________________________________________________
This chapter contains a table of all the interfaces defined in XSH, Issue 6, complete with an
indication of their status for UNIX 03 (denoted by U03), POSIX 1003.1-2001 (denoted by POSIX
Base), and their availability in UNIX 98 (denoted by U98), UNIX 95 (denoted by U95),
IEEE Std 1003.1-1996 (POSIX.1) (denoted P96), IEEE Std 1003.2-1992 (POSIX.2) (denoted
P92), the ISO C standard (denoted C99), C 89, SVID, Issue 3 (denoted by SVID3) and BSD 4.3
(denoted BSD). The following conventions are used in columns 2 through 10:
m Indicates that the interface is defined as mandatory.
o Indicates that the interface is part of an Option or Feature Group.
ob Indicates that the interface is Obsolescent, and although mandatory for the
implementation, applications are discouraged from its use.
l In the U03 column, indicates that the interface is part of the Legacy Option Group and
need not be available on all implementations.
opt In the POSIX Base column, two or three letter option codes are used as described in
Portability Codes, denoting the option to which the interface belongs.
r In the P96 column, this indicates that the interface is part of the POSIX Realtime
Extension.
t In the P96 column, this indicates that the interface is part of the POSIX Threads
Extension.
1 In the C89 column this indicates that the interface is part of the ISO/IEC 9899: 1990
standard.
. Indicates that the interface is not specified.
The table is intended as a quick reference guide for programmers migrating to or developing
applications for the Single UNIX Specification, Version 3. Products that brand to a profile may
not provide all of the interfaces listed, depending on which Option or Feature Groups are
supported.
There are 1123 interfaces listed.
The Authorized Guide to the Single UNIX Specification, Version 3 1
System Interface Table
___________________________________________________________________________________________
POSIX P96
Interface U03 Base U98 U95 P92 C99 C89 SVID3 BSD
___________________________________________________________________________________________
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FD_CLR( ) m m m m . . . . .
FD_ISSET( ) m m m m . . . . .
FD_SET( ) m m m m . . . . .
FD_ZERO( ) m m m m . . . . .
_Exit( ) m m . . . m . . .
_exit( ) m m m m m . . m m
_longjmp( ) m xsi m m . . . . m
_setjmp( ) m xsi m m . . . . m
_tolower( ) m xsi m m . . . m .
_toupper( ) m xsi m m . . . m .
a64l( ) m xsi m m . . . m .
abort( ) m m m m m m m m m
abs( ) m m m m m m m m m
accept( ) m m m m . . . . m
access( ) m m m m m . . m m
acos( ) m m m m m m m m m
acosf( ) m m . . . m . . .
acosh( ) m m m m . m . m m
acoshf( ) m m . . . m . . .
acoshl( ) m m . . . m . . .
acosl( ) m m . . . m . . .
aio_cancel( ) o aio o . r . . . .
aio_error( ) o aio o . r . . . .
aio_fsync( ) o aio o . r . . . .
aio_read( ) o aio o . r . . . .
aio_return( ) o aio o . r . . . .
aio_suspend( ) o aio o . r . . . .
aio_write( ) o aio o . r . . . .
alarm( ) m m m m m . . m m
asctime( ) m m m m m m m m m
asctime_r( ) m tsf m . t . . . .
asin( ) m m m m m m m m m
asinf( ) m m . . . m . . .
asinh( ) m m m m . m . m m
asinhf( ) m m . . . m . . .
asinhl( ) m m . . . m . . .
asinl() m m . . . m . . .
assert( ) m m m m m m m m m
atan( ) m m m m m m m m m
atan2( ) m m m m m m m m m
atan2f( ) m m . . . m . . .
atan2l( ) m m . . . m . . .
atanf( ) m m . . . m . . .
atanh( ) m m m m . m . m m
atanhf( ) m m . . . m . . .
atanhl( ) m m . . . m . . .
___________________________________________________________________________________________
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2 A Source Book from The Open Group (2003)
System Interface Table
___________________________________________________________________________________________
POSIX P96
Interface U03 Base U98 U95 P92 C99 C89 SVID3 BSD
___________________________________________________________________________________________
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atanl( ) m m . . . m . . .
atexit( ) m m m m . m m m .
atof( ) m m m m m m m m m
atoi( ) m m m m m m m m m
atol( ) m m m m m m m m m
atoll( ) m m . . . m . . .
basename( ) m xsi m m . . . . .
bcmp( ) l xsi m m . . . . m
bcopy( ) l xsi m m . . . . m
bind( ) m m m m . . . . m
bsd_signal( ) ob xsi m m . . . . .
bsearch( ) m m m m m m m m .
btowc( ) m m m . . m 1 . .
bzero( ) l xsi m m . . . . m
cabs( ) m m . . . m . . .
cabsf( ) m m . . . m . . .
cabsl( ) m m . . . m . . .
cacos( ) m m . . . m . . .
cacosf( ) m m . . . m . . .
cacosh( ) m m . . . m . . .
cacoshf( ) m m . . . m . . .
cacoshl( ) m m . . . m . . .
cacosl( ) m m . . . m . . .
calloc( ) m m m m m m m m m
carg( ) m m . . . m . . .
cargf( ) m m . . . m . . .
cargl( ) m m . . . m . . .
casin( ) m m . . . m . . .
casinf( ) m m . . . m . . .
casinh( ) m m . . . m . . .
casinhf( ) m m . . . m . . .
casinhl( ) m m . . . m . . .
casinl( ) m m . . . m . . .
catan( ) m m . . . m . . .
catanf( ) m m . . . m . . .
catanh( ) m m . . . m . . .
catanhf( ) m m . . . m . . .
catanhl( ) m m . . . m . . .
catanl( ) m m . . . m . . .
catclose( ) m xsi m m . . . m .
catgets( ) m xsi m m . . . m .
catopen( ) m xsi m m . . . m .
cbrt( ) m m m m . m . m m
cbrtf( ) m m . . . m . . .
cbrtl( ) m m . . . m . . .
ccos( ) m m . . . m . . .
___________________________________________________________________________________________
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The Authorized Guide to the Single UNIX Specification, Version 3 3
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