addseverity man page on Archlinux

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ADDSEVERITY(3)		   Linux Programmer's Manual		ADDSEVERITY(3)

       addseverity - introduce new severity classes

       #include <fmtmsg.h>

       int addseverity(int severity, const char *s);

   Feature Test Macro Requirements for glibc (see feature_test_macros(7)):

       addseverity(): _SVID_SOURCE

       This function allows the introduction of new severity classes which can
       be addressed by the severity argument of the  fmtmsg(3)	function.   By
       default	that  latter  function	only  knows  how to print messages for
       severity 0-4 (with strings (none), HALT, ERROR, WARNING,	 INFO).	  This
       call  attaches the given string s to the given value severity.  If s is
       NULL, the severity class with the numeric value	severity  is  removed.
       It  is  not possible to overwrite or remove one of the default severity
       classes.	 The severity value must be nonnegative.

       Upon success, the value MM_OK is	 returned.   Upon  error,  the	return
       value  is MM_NOTOK.  Possible errors include: out of memory, attempt to
       remove a nonexistent or default severity class.

       addseverity() is provided in glibc since version 2.1.

       This function is not specified in the X/Open Portability Guide although
       the fmtmsg(3) function is.  It is available on System V systems.

       New severity classes can also be added by setting the environment vari‐
       able SEV_LEVEL.


       This page is part of release 3.65 of the Linux  man-pages  project.   A
       description  of	the project, and information about reporting bugs, can
       be found at

GNU				  2008-06-14			ADDSEVERITY(3)

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