--- /dev/null
+#ifndef SYS_WAIT_H\r
+#define SYS_WAIT_H\r
+\r
+#define WIFSIGNALED(a) 0\r
+#define WIFEXITED(a) 0\r
+#define WTERMSIG(a) 0\r
+#define WEXITSTATUS(a) 0\r
+#define WNOHANG 0\r
+\r
+pid_t waitpid(pid_t, int *stat_loc, int options);\r
+\r
+#endif /* SYS_WAIT_H */\r