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#pragma once
#include <arch/constants.h>
#include <arch/errno.h>
// -----------------------------------------------------------------------
// global constants
/* open */
#define sys·ORead 0x0u
#define sys·OWrite 0x1u
#define sys·ORdwr 0x2u
/* seek */
#define sys·SeekSet 0u
#define sys·SeekCur 1u
#define sys·SeekEnd 2u
// -----------------------------------------------------------------------
// functions
/*
* system calls with errno-free interface
*/
int sys·call(int num, ...);
/* file operations */
int sys·open(char *path, int flag, int mode, int *fd);
int sys·close(int fd);
int sys·write(int fd, intptr len, void *buf, intptr *nw);
int sys·read(int fd, intptr len, void *buf, intptr *nr);
int sys·seek(int fd, intptr offset, int from, intptr *pos);
int sys·dup(int from, int to);
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