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/******************************************************************************
* Copyright (c) 2004, 2008 IBM Corporation
* All rights reserved.
* This program and the accompanying materials
* are made available under the terms of the BSD License
* which accompanies this distribution, and is available at
* http://www.opensource.org/licenses/bsd-license.php
*
* Contributors:
* IBM Corporation - initial implementation
*****************************************************************************/
#include "stddef.h"
#include "systemcall.h"
#include "unistd.h"
ssize_t write(int fd, const void *buf, size_t count)
{
return syscall_3 (_write_sc_nr, fd, (long) buf, count);
}
ssize_t read(int fd, void *buf, size_t count)
{
return syscall_3 (_read_sc_nr, fd, (long) buf, count);
}
ssize_t lseek(int fd, long off, int whence)
{
return syscall_3 (_lseek_sc_nr, fd, off, whence);
}
int open(const char *name, int flags)
{
return syscall_2 (_open_sc_nr, (long int) name, flags);
}
int close(int fd)
{
return syscall_1(_close_sc_nr,fd);
}
int
getchar(void)
{
char buf;
int i;
if((i = read (1, &buf, 1)) == 1)
return (int) buf;
return -1;
}
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