1 files changed, 6 insertions, 0 deletions
diff --git a/src/user/lib/include/stdio.h b/src/user/lib/include/stdio.h
index b8de85d..eb59793 100644
--- a/src/user/lib/include/stdio.h
+++ b/src/user/lib/include/stdio.h
@@ -4,6 +4,10 @@
 
 #define EOF (-1)
 
+#define SEEK_SET 1
+#define SEEK_CUR 2
+#define SEEK_END 3
+
 int printf(const char *fmt, ...);
 int snprintf(char *str, size_t len, const char *fmt, ...);
 
@@ -17,9 +21,11 @@ FILE *freopen(const char *path, const char *mode, FILE *);
 FILE *fdopen(int fd, const char *mode);
 FILE *file_clone(const FILE *);
 int fclose(FILE *);
+int fflush(FILE *f);
 
 size_t fread(void *restrict ptr, size_t size, size_t nitems, FILE *restrict);
 size_t fwrite(const void *restrict ptr, size_t size, size_t nitems, FILE *restrict);
+int fseek(FILE *f, long offset, int whence);
 
 int feof(FILE *);
 int ferror(FILE *);