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#pragma once
/* types declarations */
#include <arch/types.h>
#include <arch/constants.h>
#include <os/types.h>
#include <os/constants.h>
#include <os/errno.h>
// -----------------------------------------------------------------------
// global constants
/* open */
#define sys·ORead 0x0u
#define sys·OWrite 0x1u
#define sys·ORdwr 0x2u
#define sys·OExec sys·OPath
/* seek */
#define sys·SeekSet 0u
#define sys·SeekCur 1u
#define sys·SeekEnd 2u
/* special file descriptors */
#define sys·Stdin 0
#define sys·Stdout 1
#define sys·Stderr 2
// -----------------------------------------------------------------------
// functions
/* errors */
char *sys·errormsg(int num);
/* file operations */
int sys·open(char *path, int flag, int mode, int *fd);
int sys·openat(int dirfd, char *path, int flags, int mode, int *fd);
int sys·close(int fd);
int sys·write(int fd, void *buf, uintptr len, intptr *nw);
int sys·read(int fd, void *buf, uintptr len, intptr *nr);
int sys·seek(int fd, intptr offset, int from, intptr *pos);
int sys·access(char *path, int mode);
int sys·accessat(int dirfd, char *path, int mode, int flags);
int sys·info(char *path, sys·Info *ret);
int sys·infofd(int fd, sys·Info *ret);
int sys·infoat(int dirfd, char *path, int flag, uint mask, sys·Info *ret);
int sys·dup(int from, int to);
/* directory operations */
int sys·cwd(char *buf, uintptr size);
int sys·chdir(char *path);
int sys·chdirfd(int fd);
int sys·mkdir(char *path, uint mode);
int sys·mkdirat(int fd, char *path, uint mode);
int sys·direntry(int fd, void *buffer, uintptr len, uintptr *size);
/* file node */
int sys·mknode(char *path, uint mode, uint64 dev);
int sys·mknodeat(int dirfd, char *path, uint mode, uint64 device);
/* ioctl :( */
int sys·ioctl(int, int, ...);
/* process operations */
int sys·getpid(void);
int sys·getuid(void);
int sys·getgid(void);
int sys·getpgid(int pid);
int sys·setpgid(int pid, int pgid);
int sys·fork(void);
int sys·exec(char *program, char *argv[], char *env[]);
int sys·wait(int *status);
int sys·waitfor(int pid, int *status, int option, sys·UsageInfo *msg);
/* 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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