lseek64(3) Library Functions Manual lseek64(3) lseek64 - / 64- (libc -lc) #define _LARGEFILE64_SOURCE /* feature_test_macros(7) */ #include #include off64_t lseek64(int fd, off64_t offset, int whence); lseek() fd offset whence SEEK_SET SEEK_CUR SEEK_END . lseek(2). : lseek() lseek64() llseek() _llseek(). lseek() : off_t lseek(int fd, off_t offset, int whence); lseek() C off_t. 32- 32- #define _FILE_OFFSET_BITS 64 64-. lseek64() : off64_t lseek64(int fd, off64_t offset, int whence); lseek64() 64- off_t 32-. ( off64_t) #define _LARGEFILE64_SOURCE lseek64() glibc 2.1. llseek() : loff_t llseek(int fd, loff_t offset, int whence); loff_t 64-. llseek() glibc . glibc . . e2fsck(8) glibc 2.1.3 " `llseek` `lseek64` ." . glibc 2.28 . _llseek() 32- ( C) . : int _llseek(int fd, off_t offset_hi, off_t offset_lo, loff_t *result, int whence); llseek(2). 64- _llseek(). lseek(2) 64-. attributes(7). +------------+------------------------------------+--------------------+ || | | +------------+------------------------------------+--------------------+ |lseek64() | | MT-Safe | +------------+------------------------------------+--------------------+ lseek64() (LFS) 1996. 32- off_t 32-. _LARGEFILE64_SOURCE. 32- lseek lseek64 _FILE_OFFSET_BITS 64. llseek(2), lseek(2) 3 . . : . 6.18 8 2026 lseek64(3)