add pager

2 files changed, 6 insertions, 5 deletions

diff --git a/lib/io/io.c b/lib/io/io.c
index 7dee314..57cfd05 100644
--- a/lib/io/io.c
+++ b/lib/io/io.c
@@ -15,9 +15,9 @@ void wstd(const char *buf)
 }
 
 
-void rstd(char *buf, unsigned long count)
+unsigned long rstd(char *buf, unsigned long count)
 {
-	read(STDIN_FD, buf, count);
+	return read(STDIN_FD, buf, count);
 }
 
 
@@ -26,6 +26,7 @@ void wf(unsigned int fd, char *buf)
 	write(fd, buf, cstr_length(buf));
 }
 
+
 void wstdf__(const char *buf, const void **args)
 {
 	wff__(STDOUT_FD, buf, args);
diff --git a/lib/io/io.h b/lib/io/io.h
index c373cd0..ac25e87 100644
--- a/lib/io/io.h
+++ b/lib/io/io.h
@@ -3,9 +3,9 @@
 
 #include "../sys/io.h"
 
-void wstd(const char *buf);
-void rstd(char *buf, unsigned long count);
-void wf(unsigned int fd, char *buf);
+void          wstd(const char *buf);
+unsigned long rstd(char *buf, unsigned long count);
+void          wf(unsigned int fd, char *buf);
 
 void wstdf__(const char *buf, const void **args);
 void wff__(unsigned int fd, const char *buf, const void **args);