#include <stdio.h>

#define T(t) (t*)0;

#define F(t,n) {t *y = &x.;;}

#define C(n) switch(n){case n:;}

static void f()

{

T(FILE)

T(fpos_t)

T(off_t)

T(size_t)

C(BUFSIZ)

#ifdef _POSIX_C_SOURCE

T(ssize_t)

T(va_list)

C(L_ctermid)

#endif

C(_IOFBF)

C(_IOLBF)

C(_IONBF)

C(SEEK_CUR)

C(SEEK_END)

C(SEEK_SET)

C(FILENAME_MAX)

C(FOPEN_MAX)

C(EOF)

{void *x=NULL;}

{FILE *x=stderr;}

{FILE *x=stdin;}

{FILE *x=stdout;}

{void(*p)(FILE*) = clearerr;}

{char*(*p)(char*) = ctermid;}

{int(*p)(int,const char*restrict,...) = dprintf;}

{int(*p)(FILE*) = fclose;}

{FILE*(*p)(int,const char*) = fdopen;}

{int(*p)(FILE*) = feof;}

{int(*p)(FILE*) = ferror;}

{int(*p)(FILE*) = fflush;}

{int(*p)(FILE*) = fgetc;}

{int(*p)(FILE*restrict,fpos_t*restrict) = fgetpos;}

{char*(*p)(char*restrict,int,FILE*restrict) = fgets;}

{int(*p)(FILE*) = fileno;}

{void(*p)(FILE*) = flockfile;}

{FILE*(*p)(void*restrict,size_t,const char*restrict) = fmemopen;}

{FILE*(*p)(const char*restrict,const char*restrict) = fopen;}

{int(*p)(FILE*restrict,const char*restrict,...) = fprintf;}

{int(*p)(int,FILE*) = fputc;}

{int(*p)(const char*restrict,FILE*restrict) = fputs;}

{size_t(*p)(void*restrict,size_t,size_t,FILE*restrict) = fread;}

{FILE*(*p)(const char*restrict,const char*restrict,FILE*restrict) = freopen;}

{int(*p)(FILE*restrict,const char*restrict,...) = fscanf;}

{int(*p)(FILE*,long,int) = fseek;}

{int(*p)(FILE*,off_t,int) = fseeko;}

{int(*p)(FILE*,const fpos_t*) = fsetpos;}

{long(*p)(FILE*) = ftell;}

{off_t(*p)(FILE*) = ftello;}

{int(*p)(FILE*) = ftrylockfile;}

{void(*p)(FILE*) = funlockfile;}

{size_t(*p)(const void*restrict,size_t,size_t,FILE*restrict) = fwrite;}

{int(*p)(FILE*) = getc;}

{int(*p)(FILE*) = getc_unlocked;}

{int(*p)(void) = getchar;}

{int(*p)(void) = getchar_unlocked;}

{ssize_t(*p)(char**restrict,size_t*restrict,int,FILE*restrict) = getdelim;}

{ssize_t(*p)(char**restrict,size_t*restrict,FILE*restrict) = getline;}

{char*(*p)(char*) = gets;}

{FILE*(*p)(char**,size_t*) = open_memstream;}

{int(*p)(FILE*) = pclose;}

{void(*p)(const char*) = perror;}

{FILE*(*p)(const char*,const char*) = popen;}

{int(*p)(const char*restrict,...) = printf;}

{int(*p)(int,FILE*) = putc;}

{int(*p)(int,FILE*) = putc_unlocked;}

{int(*p)(int) = putchar;}

{int(*p)(int) = putchar_unlocked;}

{int(*p)(const char*) = puts;}

{int(*p)(const char*) = remove;}

{int(*p)(const char*,const char*) = rename;}

{int(*p)(int,const char*,int,const char*) = renameat;}

{void(*p)(FILE*) = rewind;}

{int(*p)(const char*restrict,...) = scanf;}

{void(*p)(FILE*restrict,char*restrict) = setbuf;}

{int(*p)(FILE*restrict,char*restrict,int,size_t) = setvbuf;}

{int(*p)(char*restrict,size_t,const char*restrict,...) = snprintf;}

{int(*p)(char*restrict,const char*restrict,...) = sprintf;}

{int(*p)(const char*restrict,const char*restrict,...) = sscanf;}

{char*(*p)(const char*,const char*) = tempnam;}

{FILE*(*p)(void) = tmpfile;}

{char*(*p)(char*) = tmpnam;}

{int(*p)(int,FILE*) = ungetc;}

}

#include <wchar.h>

static void g()

{

{wint_t(*p)(int) = btowc;}

{wint_t(*p)(FILE*) = fgetwc;}

{wchar_t*(*p)(wchar_t*restrict,int,FILE*restrict) = fgetws;}

{wint_t(*p)(wchar_t,FILE*) = fputwc;}

{int(*p)(const wchar_t*restrict,FILE*restrict) = fputws;}

{int(*p)(FILE*,int) = fwide;}

{int(*p)(FILE*restrict,const wchar_t*restrict,...) = fwprintf;}

{int(*p)(FILE*restrict,const wchar_t*restrict,...) = fwscanf;}

{wint_t(*p)(FILE*) = getwc;}

{wint_t(*p)(wchar_t,FILE*) = putwc;}

{int(*p)(wchar_t*restrict,size_t,const wchar_t*restrict,...) = swprintf;}

{int(*p)(const wchar_t*restrict,const wchar_t*restrict,...) = swscanf;}

{wint_t(*p)(wint_t,FILE*) = ungetwc;}

{int(*p)(wint_t) = wctob;}

{int(*p)(const wchar_t*restrict,...) = wprintf;}

{int(*p)(const wchar_t*restrict,...) = wscanf;}

}

#include <stdarg.h>

static void h()

{

{int(*p)(int,const char*restrict,va_list) = vdprintf;}

{int(*p)(FILE*restrict,const char*restrict,va_list) = vfprintf;}

{int(*p)(FILE*restrict,const char*restrict,va_list) = vfscanf;}

{int(*p)(const char*restrict,va_list) = vprintf;}

{int(*p)(const char*restrict,va_list) = vscanf;}

{int(*p)(char*restrict,size_t,const char*restrict,va_list) = vsnprintf;}

{int(*p)(char*restrict,const char*restrict,va_list) = vsprintf;}

{int(*p)(const char*restrict,const char*restrict,va_list) = vsscanf;}

{int(*p)(FILE*restrict,const wchar_t*restrict,va_list) = vfwprintf;}

{int(*p)(FILE*restrict,const wchar_t*restrict,va_list) = vfwscanf;}

{int(*p)(wchar_t*restrict,size_t,const wchar_t*restrict,va_list) = vswprintf;}

{int(*p)(const wchar_t*restrict,const wchar_t*restrict,va_list) = vswscanf;}

{int(*p)(const wchar_t*restrict,va_list) = vwprintf;}

{int(*p)(const wchar_t*restrict,va_list) = vwscanf;}

}