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sysconf
=======

Syntax
------

     #include <unistd.h>
     
     long sysconf(int which);

Description
-----------

This function returns various system configuration values, based on
WHICH:

       case _SC_ARG_MAX:       return ARG_MAX;
       case _SC_CHILD_MAX:       return CHILD_MAX;
       case _SC_CLK_TCK:       return CLOCKS_PER_SEC;
       case _SC_NGROUPS_MAX:       return NGROUPS_MAX;
       case _SC_OPEN_MAX:       return 255;
       case _SC_JOB_CONTROL:       return -1;
       case _SC_SAVED_IDS:       return -1;
       case _SC_STREAM_MAX:       return _POSIX_STREAM_MAX;
       case _SC_TZNAME_MAX:       return TZNAME_MAX;
       case _SC_VERSION:       return _POSIX_VERSION;

Return Value
------------

The value.