1 files changed, 5 insertions, 0 deletions
diff --git a/unix.c b/unix.c
index 4437189..1aefd22 100644
--- a/unix.c
+++ b/unix.c
@@ -49,6 +49,7 @@
 /* #include <sys/wait.h> */
 #include <sys/stat.h>
 
+
 SCM	stat2scm P((struct stat *stat_temp));
 
 #ifndef STDC_HEADERS
@@ -57,6 +58,10 @@ SCM	stat2scm P((struct stat *stat_temp));
 	int readlink P((const char *path, char *buf, sizet bufsiz));
 	int acct P((const char *filename));
 	int nice P((int inc));
+#else /* added by Denys Duchier: for acct, etc... */
+# ifdef SVR4
+#  include <unistd.h>
+# endif
 #endif /* STDC_HEADERS */
 
    /* Only the superuser can successfully execute mknod and acct */