1 files changed, 3 insertions, 1 deletions
diff --git a/lib/lib.h b/lib/lib.h
index cdfc02e4..24d6f82a 100644
--- a/lib/lib.h
+++ b/lib/lib.h
@@ -30,6 +30,7 @@ void error_msg(char *msg, ...);
 void perror_msg(char *msg, ...);
 void error_exit(char *msg, ...);
 void perror_exit(char *msg, ...);
+void usage_exit(void);
 void strlcpy(char *dest, char *src, size_t size);
 void *xmalloc(size_t size);
 void *xzalloc(size_t size);
@@ -46,7 +47,8 @@ ssize_t reread(int fd, void *buf, size_t count);
 ssize_t rewrite(int fd, void *buf, size_t count);
 ssize_t readall(int fd, void *buf, size_t count);
 ssize_t writeall(int fd, void *buf, size_t count);
-void xread(int fd, void *buf, size_t count);
+size_t xread(int fd, void *buf, size_t count);
+void xreadall(int fd, void *buf, size_t count);
 void xwrite(int fd, void *buf, size_t count);
 char *xgetcwd(void);
 char *xabspath(char *path);