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dirfile_alter_frameoffset64 (3) Linux Manual Page

ByLinux Manual Posted on

get_frameoffset64, dirfile_alter_frameoffset64 — report or change the frame offset of fields in a dirfile, with largefile support

Synopsis

#define _LARGEFILE64_SOURCE

#include <getdata.h>

off64_t get_frameoffset(DIRFILE *dirfile, int fragment_index);
int dirfile_alter_frameoffset64(DIRFILE *dirfile, off64_t offset, int fragment_index, int move);

Description

These version of get_frameoffset(3) and dirfile_alter_frameoffset(3) use a 64-bit offset type, even if off_t is a 32-bit type. They are only available if the caller defines _LARGEFILE64_SOURCE before including getdata.h.

If off_t is a 64-bit type (i.e. if _FILE_OFFSET_BITS is defined to be 64), these function will be called get_frameoffset() and dirfile_alter_frameoffset(). Otherwise, get_frameoffset() and dirfile_alter_frameoffset() will be versions of these functions which use a 32-bit off_t.

See Also

dirfile_alter_frameoffset(3), get_frameoffset(3), feature_test_macros(7)

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