mirror of https://github.com/mkerrisk/man-pages
sigaction.2, sigprocmask.2, inet_ntop.3: wfix: s/non-null/non-NULL/
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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@ -77,13 +77,13 @@ and
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.PP
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.PP
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If
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If
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.I act
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.I act
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is non-null, the new action for signal
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is non-NULL, the new action for signal
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.I signum
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.I signum
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is installed from
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is installed from
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.IR act .
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.IR act .
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If
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If
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.I oldact
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.I oldact
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is non-null, the previous action is saved in
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is non-NULL, the previous action is saved in
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.IR oldact .
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.IR oldact .
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.PP
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.PP
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The
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The
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@ -72,7 +72,7 @@ The set of blocked signals is set to the argument
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.PP
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.PP
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If
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If
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.I oldset
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.I oldset
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is non-null, the previous value of the signal mask is stored in
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is non-NULL, the previous value of the signal mask is stored in
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.IR oldset .
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.IR oldset .
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If
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If
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@ -81,7 +81,7 @@ bytes long.
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.SH "RETURN VALUE"
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.SH "RETURN VALUE"
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On success,
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On success,
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.BR inet_ntop ()
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.BR inet_ntop ()
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returns a non-null pointer to
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returns a non-NULL pointer to
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.IR dst .
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.IR dst .
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NULL is returned if there was an error, with
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NULL is returned if there was an error, with
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.I errno
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.I errno
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