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Functions HI-TECH C LSEEK
From HI-TECH C for CP/M Fan WIKI(EN)
LSEEK
SYNOPSIS
#include <unixio.h> long lseek(int fd, long offs, int wh)
DESCRIPTION
This function operates in an analogous manner to fseek(), however it does so on unbuffered low-level i/o file descriptors, rather than on STDIO streams. It also returns the resulting pointer location. Thus lseek(fd, 0L, 1) returns the current pointer location without moving it. -1 is returned on error.
SEE ALSO
open, close, read, write