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Man Pages


Manual Reference Pages  -  FEATURE_PRESENT (3)

NAME

feature_present - query presence of a kernel feature

CONTENTS

Library
Synopsis
Description
Return Values
See Also
History

LIBRARY


.Lb libc

SYNOPSIS


.In unistd.h int feature_present const char *feature

DESCRIPTION

The feature_present function provides a method for an application to determine if a specific kernel feature is present in the currently running kernel. The feature argument specifies the name of the feature to check. The feature_present function will return 1 if the specified feature is present, otherwise it will return 0. If the feature_present function is not able to determine the presence of feature due to an internal error it will return 0.

RETURN VALUES

If feature is present then 1 is returned; otherwise 0 is returned.

SEE ALSO

sysconf(3), sysctl(3)

HISTORY

The feature_present function first appeared in
.Fx 8.0 .
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