update

1 files changed, 19 insertions, 0 deletions

diff --git a/libraries/euler/include/cstdio b/libraries/euler/include/cstdio
new file mode 100644
index 0000000..3bb293b
--- /dev/null
+++ b/libraries/euler/include/cstdio
@@ -0,0 +1,19 @@
+#pragma once
+
+#define EOF (-1)
+
+namespace euler {
+  struct file_t;
+}
+
+namespace std {
+
+  typedef euler::file_t FILE;
+
+  FILE *fopen(const char *path, const char *mode);
+  int fclose(FILE *file);
+
+  int fgetc(FILE *from);
+  int ungetc(int ch, FILE *from);
+
+}