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Amiga CD-ROM Collection
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Amiga CD-ROM Collection - Auge 4000 and Cactus and Demo Util.iso
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auge4000
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46
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lib
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fd
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lseek.c
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C/C++ Source or Header
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1990-06-20
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528b
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35 lines
/*
* LSEEK.C
*
* (c)Copyright 1990, Matthew Dillon, All Rights Reserved
*/
#include <stdio.h>
#include <fcntl.h>
#include <ioctl.h>
#include <errno.h>
size_t
lseek(fd, offset, whence)
int fd;
size_t offset;
int whence;
{
_IOFDS *d;
int n = -1;
if (d = __getfh(fd)) {
if (d->fd_Exec)
return((*d->fd_Exec)(d->fd_Fh, IOC_SEEK, offset, whence));
n = Seek(d->fd_Fh, offset, whence-1);
if (n >= 0) {
if (offset || whence != 1)
n = Seek(d->fd_Fh, 0L, 0);
return(n);
}
}
return(n);
}