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#ifndef _UNISTD_H
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#define _UNISTD_H
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/* ok, this may be a joke, but I'm working on it */
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#define _POSIX_VERSION 198808L
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#define _POSIX_CHOWN_RESTRICTED /* only root can do a chown (I think..) */
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#define _POSIX_NO_TRUNC /* no pathname truncation (but see in kernel) */
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#define _POSIX_VDISABLE '\0' /* character to disable things like ^C */
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/*#define _POSIX_SAVED_IDS */ /* we'll get to this yet */
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/*#define _POSIX_JOB_CONTROL */ /* we aren't there quite yet. Soon hopefully */
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#define STDIN_FILENO 0
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#define STDOUT_FILENO 1
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#define STDERR_FILENO 2
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#ifndef NULL
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#define NULL ((void *)0)
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#endif
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/* access */
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#define F_OK 0
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#define X_OK 1
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#define W_OK 2
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#define R_OK 4
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/* lseek */
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#define SEEK_SET 0
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#define SEEK_CUR 1
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#define SEEK_END 2
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/* _SC stands for System Configuration. We don't use them much */
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#define _SC_ARG_MAX 1
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#define _SC_CHILD_MAX 2
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#define _SC_CLOCKS_PER_SEC 3
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#define _SC_NGROUPS_MAX 4
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#define _SC_OPEN_MAX 5
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#define _SC_JOB_CONTROL 6
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#define _SC_SAVED_IDS 7
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#define _SC_VERSION 8
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/* more (possibly) configurable things - now pathnames */
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#define _PC_LINK_MAX 1
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#define _PC_MAX_CANON 2
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#define _PC_MAX_INPUT 3
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#define _PC_NAME_MAX 4
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#define _PC_PATH_MAX 5
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#define _PC_PIPE_BUF 6
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#define _PC_NO_TRUNC 7
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#define _PC_VDISABLE 8
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#define _PC_CHOWN_RESTRICTED 9
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#include <sys/stat.h>
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#include <sys/times.h>
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#include <sys/utsname.h>
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#include <utime.h>
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#ifdef __LIBRARY__
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#define __NR_setup 0 /* used only by init, to get system going */
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#define __NR_exit 1
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#define __NR_fork 2
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#define __NR_read 3
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#define __NR_write 4
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#define __NR_open 5
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#define __NR_close 6
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#define __NR_waitpid 7
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#define __NR_creat 8
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#define __NR_link 9
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#define __NR_unlink 10
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#define __NR_execve 11
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#define __NR_chdir 12
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#define __NR_time 13
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#define __NR_mknod 14
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#define __NR_chmod 15
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#define __NR_chown 16
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#define __NR_break 17
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#define __NR_stat 18
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#define __NR_lseek 19
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#define __NR_getpid 20
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#define __NR_mount 21
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#define __NR_umount 22
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#define __NR_setuid 23
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#define __NR_getuid 24
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#define __NR_stime 25
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#define __NR_ptrace 26
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#define __NR_alarm 27
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#define __NR_fstat 28
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#define __NR_pause 29
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#define __NR_utime 30
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#define __NR_stty 31
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#define __NR_gtty 32
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#define __NR_access 33
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#define __NR_nice 34
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#define __NR_ftime 35
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#define __NR_sync 36
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#define __NR_kill 37
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#define __NR_rename 38
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#define __NR_mkdir 39
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#define __NR_rmdir 40
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#define __NR_dup 41
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#define __NR_pipe 42
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#define __NR_times 43
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#define __NR_prof 44
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#define __NR_brk 45
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#define __NR_setgid 46
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#define __NR_getgid 47
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#define __NR_signal 48
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#define __NR_geteuid 49
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#define __NR_getegid 50
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#define __NR_acct 51
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#define __NR_phys 52
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#define __NR_lock 53
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#define __NR_ioctl 54
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#define __NR_fcntl 55
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#define __NR_mpx 56
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#define __NR_setpgid 57
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#define __NR_ulimit 58
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#define __NR_uname 59
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#define __NR_umask 60
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#define __NR_chroot 61
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#define __NR_ustat 62
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#define __NR_dup2 63
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#define __NR_getppid 64
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#define __NR_getpgrp 65
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#define __NR_setsid 66
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#define __NR_sigaction 67
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#define __NR_sgetmask 68
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#define __NR_ssetmask 69
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#define __NR_setreuid 70
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#define __NR_setregid 71
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#define __NR_sigsuspend 72
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#define __NR_sigpending 73
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#define __NR_sethostname 74
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#define __NR_setrlimit 75
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#define __NR_getrlimit 76
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#define __NR_getrusage 77
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#define __NR_gettimeofday 78
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#define __NR_settimeofday 79
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#define __NR_getgroups 80
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#define __NR_setgroups 81
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#define __NR_select 82
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#define __NR_symlink 83
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#define __NR_lstat 84
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#define __NR_readlink 85
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#define __NR_uselib 86
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#define __NR_execve2 87
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#define __NR_getdents 88
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#define __NR_pipe2 89
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#define __NR_sleep 90
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#define __NR_getcwd 91
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#define __NR_create_thread 92
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#define __NR_endthread 93
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#define __NR_syspthread_join 94
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#define _syscall0(type,name) \
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type name(void) \
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{ \
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long __res; \
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__asm__ volatile ("int $0x80" \
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: "=a" (__res) \
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: "0" (__NR_##name)); \
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if (__res >= 0) \
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return (type) __res; \
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errno = -__res; \
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return -1; \
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}
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#define _syscall1(type,name,atype,a) \
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type name(atype a) \
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{ \
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long __res; \
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__asm__ volatile ("int $0x80" \
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: "=a" (__res) \
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: "0" (__NR_##name),"b" ((long)(a))); \
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if (__res >= 0) \
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return (type) __res; \
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errno = -__res; \
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return -1; \
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}
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#define _syscall2(type,name,atype,a,btype,b) \
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type name(atype a,btype b) \
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{ \
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long __res; \
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__asm__ volatile ("int $0x80" \
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: "=a" (__res) \
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: "0" (__NR_##name),"b" ((long)(a)),"c" ((long)(b))); \
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if (__res >= 0) \
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return (type) __res; \
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errno = -__res; \
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return -1; \
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}
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#define _syscall3(type,name,atype,a,btype,b,ctype,c) \
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type name(atype a,btype b,ctype c) \
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{ \
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long __res; \
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__asm__ volatile ("int $0x80" \
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: "=a" (__res) \
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: "0" (__NR_##name),"b" ((long)(a)),"c" ((long)(b)),"d" ((long)(c))); \
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if (__res>=0) \
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return (type) __res; \
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errno=-__res; \
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return -1; \
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}
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#endif /* __LIBRARY__ */
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extern int errno;
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int access(const char * filename, mode_t mode);
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int acct(const char * filename);
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int alarm(int sec);
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int brk(void * end_data_segment);
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void * sbrk(ptrdiff_t increment);
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int chdir(const char * filename);
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int chmod(const char * filename, mode_t mode);
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int chown(const char * filename, uid_t owner, gid_t group);
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int chroot(const char * filename);
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int close(int fildes);
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int creat(const char * filename, mode_t mode);
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int dup(int fildes);
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int execve(const char * filename, char ** argv, char ** envp);
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int execv(const char * pathname, char ** argv);
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int execvp(const char * file, char ** argv);
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int execl(const char * pathname, char * arg0, ...);
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int execlp(const char * file, char * arg0, ...);
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int execle(const char * pathname, char * arg0, ...);
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volatile void exit(int status);
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volatile void _exit(int status);
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int fcntl(int fildes, int cmd, ...);
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int fork(void);
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int getpid(void);
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int getuid(void);
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int geteuid(void);
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int getgid(void);
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int getegid(void);
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int ioctl(int fildes, int cmd, ...);
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int kill(pid_t pid, int signal);
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int link(const char * filename1, const char * filename2);
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int lseek(int fildes, off_t offset, int origin);
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int mknod(const char * filename, mode_t mode, dev_t dev);
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int mount(const char * specialfile, const char * dir, int rwflag);
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int nice(int val);
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int open(const char * filename, int flag, ...);
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int pause(void);
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int pipe(int * fildes);
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int read(int fildes, char * buf, off_t count);
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int setpgrp(void);
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int setpgid(pid_t pid,pid_t pgid);
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int setuid(uid_t uid);
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int setgid(gid_t gid);
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void (*signal(int sig, void (*fn)(int)))(int);
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int stat(const char * filename, struct stat * stat_buf);
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int fstat(int fildes, struct stat * stat_buf);
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int stime(time_t * tptr);
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int sync(void);
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time_t time(time_t * tloc);
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time_t times(struct tms * tbuf);
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int ulimit(int cmd, long limit);
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mode_t umask(mode_t mask);
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int umount(const char * specialfile);
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int uname(struct utsname * name);
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int unlink(const char * filename);
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int ustat(dev_t dev, struct ustat * ubuf);
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int utime(const char * filename, struct utimbuf * times);
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pid_t waitpid(pid_t pid,int * wait_stat,int options);
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pid_t wait(int * wait_stat);
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int write(int fildes, const char * buf, off_t count);
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int dup2(int oldfd, int newfd);
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int getppid(void);
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pid_t getpgrp(void);
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pid_t setsid(void);
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#define __always_inline inline __attribute__((always_inline))
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#endif
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