-extern void fclose(FILE *fp);\r
-extern void fflush(FILE *fp);\r
-extern long int ftell(FILE *fp);\r
-extern int fseek(FILE *fp, long int amt, int whence);\r
-\r
-extern size_t fread(void *buf, size_t size, size_t n, FILE *fp);\r
-extern size_t fwrite(void *buf, size_t size, size_t n, FILE *fp);\r
-extern int fgetc(FILE *fp);\r
-extern int fputc(int ch, FILE *fp);\r
-\r
-extern int fprintf(FILE *fp, const char *format, ...);\r
-extern int vfprintf(FILE *fp, const char *format, va_list args);\r
-\r
-extern FILE *stdin;\r
-extern FILE *stdout;\r
-extern FILE *stderr;\r
-
-#endif\r
+extern int fclose(FILE *fp);
+extern void fflush(FILE *fp);
+extern off_t ftell(FILE *fp);
+extern int fseek(FILE *fp, long int amt, int whence);
+
+extern size_t fread(void *buf, size_t size, size_t n, FILE *fp);
+extern size_t fwrite(void *buf, size_t size, size_t n, FILE *fp);
+extern int fgetc(FILE *fp);
+extern int fputc(int ch, FILE *fp);
+extern int getchar(void);
+extern int putchar(int ch);
+
+extern int fprintf(FILE *fp, const char *format, ...);
+extern int vfprintf(FILE *fp, const char *format, va_list args);
+
+extern FILE *stdin;
+extern FILE *stdout;
+extern FILE *stderr;
+
+#endif