Open System Services System Calls Reference Manual (G06.25+, H06.03+)

About This Manual

SYNOPSIS Appropriate syntax, including header ﬁles to be included and all

parameter types. Some header ﬁles are required for POSIX.1-compliant

applications but are optional for applications conforming to other

standards. These header ﬁles are noted as "optional except for POSIX.1."

PARAMETERS Descriptions of the parameters listed under the SYNOPSIS heading.

DESCRIPTION For function topics, how the function works, including the conditions

or permissions required to use it successfully, the set of values for all

parameters, and the effect of the function on the state of processes or

ﬁles. For ﬁle topic reference pages, a description of ﬁle contents. For

miscellaneous topics, a general description.

EXAMPLES Compilable C language program excerpts using the function call

described in the reference page.

NOTES Any supplementary information that is peripheral to the actual operation

of the function, ﬁle, or miscellaneous topic described.

CAUTIONS Information on possible system damage or data corruption as a result of

using the function, ﬁle, or miscellaneous topic in a speciﬁc way.

RETURN VALUES Indication of successful or unsuccessful completion when the

function is invoked.

ERRORS Error conditions under which the function might fail, and the errno

value associated with each condition.

FILES Files related to the function, ﬁle, or miscellaneous topic, except for any

header ﬁles listed under the SYNOPSIS heading.

RELATED INFORMATION Cross-references to related functions, ﬁles, commands,

and miscellaneous topics described in other OSS reference pages. This

heading does not contain titles of standards, HP manuals, or commercial

texts.

STANDARDS CONFORMANCE Summary of features that are fully described under

previous headings and are ﬂagged as implementation-deﬁned or HP

extensions to XPG4 or XPG4 Version 2 under this heading.

The POSIX standards leave some features to the implementing vendor to

deﬁne. These features are ﬂagged as implementation-deﬁned. Features

that HP has included that are not in the XPG4 speciﬁcation are ﬂagged

as HP extensions to the appropriate XPG4 speciﬁcation.