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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
char *sys·errormsg(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, uintptr len, void *buf, intptr *nw);
int sys·read(int fd, uintptr len, void *buf, intptr *nr);
int sys·seek(int fd, intptr offset, int from, intptr *pos);
int sys·dup(int from, int to);
/* directory operations */
int sys·chdirfd(int fd);
int sys·chdir(char *path);
int sys·direntry(int fd, int len, void *buffer, uintptr *size);
/* process operations */
int sys·fork(void);
int sys·exec(char *program, char *argv[], char *env[]);
/* memory operations */
int sys·brk(void *addr);
int sys·sbrk(intptr delta, void **ret);
int sys·mmap(void *addr, uintptr len, int prot, int flags, int fd, intptr off, void **ret);
int sys·mremap(void *old, uintptr from, uintptr to, int flags, void **new);
int sys·munmap(void *addr, uintptr len);
int sys·madvise(void *addr, uintptr len, int advice);
int sys·mprotect(void *addr, uintptr len, int prot);
int sys·mlock(void *addr, uintptr len);
int sys·munlock(void *addr, uintptr len);
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