BILLION            41 maint/gnulib/lib/nanosleep.c enum { BILLION = 1000 * 1000 * 1000 };
BILLION           160 maint/gnulib/lib/parse-datetime.y enum { BILLION = 1000000000, LOG10_BILLION = 9 };
BILLION            43 maint/gnulib/lib/utimecmp.c #define BILLION (1000 * 1000 * 1000)
BILLION            37 maint/gnulib/tests/test-utimens-common.h   BILLION = 1000 * 1000 * 1000,