ILE C/C++ Programmer's Guide

Using Stream I/O with Large Files

The 64-bit version of the Integrated File System interface lets you use ILE C/C++ Stream I/O with files greater than two gigabytes in size. Use any of the methods listed below to enable this interface.

Note:
The __IFS64_IO__, _LARGE_FILES, and _LARGE_FILE_API macros are not mutually exclusive. For example, you might specify SYSIFCOPT(*IFS64IO) on the command line, and define either or both of the _LARGE_FILES and _LARGE_FILE_API macros in your program source.


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