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-rw-r--r--include/sys/wait.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/sys/wait.h b/include/sys/wait.h
index 379d5cc7a5..eefc14d705 100644
--- a/include/sys/wait.h
+++ b/include/sys/wait.h
@@ -1 +1,9 @@
 #include <posix/sys/wait.h>
+
+/* Now define the internal interfaces.  */
+extern __pid_t __waitpid __P ((__pid_t __pid, int *__stat_loc,
+			       int __options));
+extern __pid_t __wait3 __P ((__WAIT_STATUS __stat_loc,
+			     int __options, struct rusage * __usage));
+extern __pid_t __wait4 __P ((__pid_t __pid, __WAIT_STATUS __stat_loc,
+			     int __options, struct rusage *__usage));