/*
* call-seq:
* Process::Sys.setgid(integer) => nil
*
* Set the group ID of the current process to _integer_. Not
* available on all platforms.
*
*/staticVALUEp_sys_setgid(obj,id)VALUEobj,id;{#if defined HAVE_SETGIDcheck_gid_switch();if(setgid(NUM2INT(id))!=0)rb_sys_fail(0);#elserb_notimplement();#endifreturnQnil;}