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-rw-r--r--include/unistd.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/unistd.h b/include/unistd.h
index a9bb8a0..1d0de46 100644
--- a/include/unistd.h
+++ b/include/unistd.h
@@ -188,7 +188,7 @@ int ttyslot __P((void));
unsigned int ualarm __P((unsigned int, unsigned int));
int undelete __P((const char *));
int unwhiteout __P((const char *));
-void usleep __P((unsigned int));
+int usleep __P((unsigned int));
void *valloc __P((size_t)); /* obsoleted by malloc() */
pid_t vfork __P((void));
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