4 files changed, 13 insertions, 2 deletions
diff --git a/sys/include/netinet/if_ether.h b/sys/include/netinet/if_ether.h
index 571622d..d3dc9b7 100644
--- a/sys/include/netinet/if_ether.h
+++ b/sys/include/netinet/if_ether.h
@@ -51,5 +51,6 @@ struct ether_frame {
 };
 
 int arp_request(struct netif *nifp, uint8_t *sproto, uint8_t *tproto);
+int arp_reply(struct netif *netif, uint8_t *sproto, uint8_t *tproto);
 
 #endif  /* !_NETINET_IF_ETHER_H_ */
diff --git a/sys/include/sys/syscall.h b/sys/include/sys/syscall.h
index 37e2286..6d9dae6 100644
--- a/sys/include/sys/syscall.h
+++ b/sys/include/sys/syscall.h
@@ -52,6 +52,7 @@
 #define SYS_munmap  11
 #define SYS_access  12
 #define SYS_lseek   13
+#define SYS_sleep   14
 
 #if defined(_KERNEL)
 /* Syscall return value and arg type */
diff --git a/sys/include/sys/systm.h b/sys/include/sys/systm.h
index 5d06257..42e1723 100644
--- a/sys/include/sys/systm.h
+++ b/sys/include/sys/systm.h
@@ -55,7 +55,5 @@ __sigraise(int signo)
     dispatch_signals(td);
 }
 
-int hyra_install(void);
-
 #endif  /* _KERNEL */
 #endif  /* !_SYS_SYSTM_H_ */
diff --git a/sys/include/sys/time.h b/sys/include/sys/time.h
index 37f3daf..8563fc7 100644
--- a/sys/include/sys/time.h
+++ b/sys/include/sys/time.h
@@ -31,16 +31,27 @@
 #define _SYS_TIME_H_
 
 #include <sys/types.h>
+#if defined(_KERNEL)
+#include <sys/syscall.h>
+#endif  /* _KERNEL */
 
 struct timeval {
     time_t tv_sec;
     time_t tv_usec;
 };
 
+struct timespec {
+    time_t tv_sec;
+    long tv_nsec;
+};
+
 struct date {
     uint8_t sec;
     uint8_t min;
     uint8_t hour;
 };
 
+#if defined(_KERNEL)
+scret_t sys_sleep(struct syscall_args *scargs);
+#endif
 #endif  /* !_SYS_TIME_H_ */