_SC_CLK_TCK        53 ext/etc/constdefs.h #if !defined(_SC_CLK_TCK)
_SC_CLK_TCK        55 ext/etc/constdefs.h #  define _SC_CLK_TCK _SC_CLK_TCK
_SC_CLK_TCK       971 ext/etc/constdefs.h #if defined(_SC_CLK_TCK)
_SC_CLK_TCK       972 ext/etc/constdefs.h     rb_define_const(mod, "SC_CLK_TCK", INTEGER2NUM(_SC_CLK_TCK));
_SC_CLK_TCK      6884 process.c      	(double)sysconf(_SC_CLK_TCK);