- Function
Return the file handle used by a stream.
- Header
- Declaration
int __fastcall__ fileno (FILE* f);
- Description
The
fileno
function returns the file handle used internally by a C stream. This file handle (an integer) can be used as a handle for the POSIX input/output functions.- Limits
- The function is only available as fastcall function, so it may only be used in presence of a prototype.
- Mixing C file I/O functions and POSIX file I/O functions for the same file may have unpredictable results.
- Availability
POSIX 1003.1
- See also
- Example
None.