typedef int FILE; extern FILE *xmon_stdin, *xmon_stdout; #define EOF (-1) #define stdin xmon_stdin #define stdout xmon_stdout #define printf xmon_printf #define fprintf xmon_fprintf #define fputs xmon_fputs #define fgets xmon_fgets #define putchar xmon_putchar #define getchar xmon_getchar #define putc xmon_putc #define getc xmon_getc #define fopen(n, m) NULL #define fflush(f) do {} while (0) #define fclose(f) do {} while (0) extern char *fgets(char *, int, void *); extern void xmon_fprintf(void *, const char *, ...); extern void xmon_sprintf(char *, const char *, ...); extern void xmon_puts(char*); #define perror(s) printf("%s: no files!\n", (s))