/* unistd.h <ndf@linux.mit.edu> */ #include <features.h> #include <sys/types.h> #ifndef __UNISTD_H #define __UNISTD_H #include <errno.h> #ifdef __mc68000__ #include <asm/unistd.h> #endif #define STDIN_FILENO 0 #define STDOUT_FILENO 1 #define STDERR_FILENO 2 extern int close __P ((int)); extern size_t read __P ((int __fd, char * __buf, size_t __nbytes)); extern size_t write __P ((int __fd, __const char * __buf, size_t __n)); extern off_t lseek __P ((int __fd, off_t __n, int __whence)); extern int pipe __P ((int __pipedes[2])); extern unsigned int alarm __P ((unsigned int __seconds)); extern int sleep __P ((unsigned int __seconds)); extern void usleep __P ((unsigned long __microseconds)); extern int pause __P ((void)); extern char* crypt __P((__const char *__key, __const char *__salt)); extern int isatty __P ((int __fd)); extern int readlink __P ((__const char *__path, char *__buf, size_t __len)); extern int link __P ((__const char *__from, __const char *__to)); extern int symlink __P ((__const char *__from, __const char *__to)); extern int readlink __P ((__const char *__path, char *__buf, size_t __len)); extern int unlink __P ((__const char *__name)); extern char *getcwd __P ((char *__buf, size_t __size)); extern int fchdir __P ((int __fd)); extern int chdir __P ((__const char *__path)); extern int chown __P ((__const char *__file, uid_t __owner, gid_t __group)); extern int fchown __P ((int __fd, uid_t __owner, gid_t __group)); extern int fsync __P ((int __fd)); extern int sync __P ((void)); extern int rmdir __P ((__const char *__path)); extern int rename __P((__const char* _old, __const char* _new)); extern int access __P ((__const char *__name, int __type)); extern int reboot __P ((int __magic, int __magic_too, int __flag)); extern int mkstemp __P ((char * __template)); extern char * mktemp __P ((char * __template)); extern int _clone __P ((int (*fn)(void *arg), void *child_stack, int flags, void *arg)); #if 0 #ifndef SYS_fork #define SYS_fork 2 #endif #define vfork() ({ \ register long __res __asm__ ("%d0"); \ __asm__ __volatile__ ("trap #0" \ : "=g" (__res) \ : "0" (SYS_fork) \ : "%d0"); \ __res; \ }) #endif #ifdef __mc68000__ #define vfork() ({ \ register unsigned long __res __asm__ ("%d0") = __NR_fork; \ __asm__ __volatile__ ("trap #0" \ : "=g" (__res) \ : "0" (__res) \ : "%d0"); \ if (__res >= (unsigned long)-4096) { \ errno = -__res; \ __res = (pid_t)-1; \ } \ (pid_t)__res; \ }) #define fork fork_not_available_use_vfork #define clone clone_not_available_use__clone #endif #ifndef SEEK_SET #define SEEK_SET 0 #define SEEK_CUR 1 #define SEEK_END 2 #endif #ifndef R_OK #define R_OK 4 /* Test for read permission. */ #define W_OK 2 /* Test for write permission. */ #define X_OK 1 /* Test for execute permission. */ #define F_OK 0 /* Test for existence. */ #endif #endif /* __UNISTD_H */