1 #ifndef STDIO_H 2 #define STDIO_H 3 4 #define __DEFINED_struct__IO_FILE 5 6 #include "../../include/stdio.h" 7 8 #undef stdin 9 #undef stdout 10 #undef stderr 11 12 extern hidden FILE __stdin_FILE; 13 extern hidden FILE __stdout_FILE; 14 extern hidden FILE __stderr_FILE; 15 16 #define stdin (&__stdin_FILE) 17 #define stdout (&__stdout_FILE) 18 #define stderr (&__stderr_FILE) 19 20 #endif 21