[core] reduce exposure of unistd.h, other includes

reduce exposure of unistd.h, and some other include cleanup

1 files changed, 5 insertions, 1 deletions

diff --git a/src/log.h b/src/log.h
index 60522f84..0c09378d 100644
--- a/src/log.h
+++ b/src/log.h
@@ -1,8 +1,12 @@
 #ifndef _LOG_H_
 #define _LOG_H_
 #include "first.h"
+#include <sys/types.h>
 
-#include "server.h"
+#include "buffer.h"
+
+struct server;   /* declaration */
+typedef struct server server;
 
 struct timespec; /* declaration */
 int log_clock_gettime_realtime (struct timespec *ts);