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-rw-r--r--src/time/clock.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/time/clock.c b/src/time/clock.c
index 7f129e83..47fdd847 100644
--- a/src/time/clock.c
+++ b/src/time/clock.c
@@ -10,6 +10,8 @@ clock_t clock(void)
return (clock_t)-1;
}
+__check_0(clock_t, 0, clock)
+
/***
returns the amount of processor time used by the current
program. To convert this time to seconds, divide it by CONSTANT(CLOCKS_PER_SEC).