@node Stdio64@chapter Large File Input and Output (@file{stdio.h}) This chapter comprises additional functions to manage large files whichare potentially larger than 2GB.The underlying facilities for input and output depend on the hostsystem, but these functions provide a uniform interface.The corresponding declarations are in @file{stdio.h}.@menu  * fopen64::     Open a large file* freopen64::   Open a large file using an existing file descriptor* fsetpos64::   Restore position of a large stream or file* fgetpos64::   Get position of a large stream or file* ftello64::    Return position in a large stream or file* fseeko64::    Set large file position* tmpfile64::   Create a temporary large file@end menu @page@include stdio64/fopen64.def@page@include stdio64/freopen64.def@page @include stdio64/ftello64.def @page@include stdio64/fseeko64.def@page@include stdio64/fgetpos64.def@page@include stdio64/fsetpos64.def@page@include stdio64/tmpfile64.def