@node ftell, stdio
@findex ftell
@subheading Syntax

@example
#include <stdio.h>

long ftell(FILE *file);
@end example

@subheading Description

Returns the current file position for @code{file}.  This is suitable for
a future call to @code{fseek}. 

@subheading Return Value

The file position, or -1 on error. 

@subheading Portability

@portability ansi, posix

@subheading Example

@example
long p = ftell(stdout);
@end example