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test/wasi/c/read_file_twice.c

@@ -0,0 +1,16 @@
+#include <assert.h>
+#include <stdio.h>
+
+int main() {
+  for (int i = 0; i < 2; i++) {
+    FILE* file = fopen("/sandbox/input.txt", "r");
+    assert(file != NULL);
+
+    char c = fgetc(file);
+    while (c != EOF) {
+      int wrote = fputc(c, stdout);
+      assert(wrote != EOF);
+      c = fgetc(file);
+    }
+  }
+}