位于 
/usr/include/asm/unistd.h 
由于我是64位系统，所以有一些额外的东西。我的这个文件为下文

#ifndef _ASM_X86_UNISTD_H

#define _ASM_X86_UNISTD_H

/* x32 syscall flag bit */

#define __X32_SYSCALL_BIT   0x40000000

# ifdef __i386__

#  include <asm/unistd_32.h>

# elif defined(__ILP32__)

#  include <asm/unistd_x32.h>

# else

#  include <asm/unistd_64.h>

# endif

#endif /* _ASM_X86_UNISTD_H */

所以其实是分32位和64位的

32位

#ifndef _ASM_X86_UNISTD_32_H

#define _ASM_X86_UNISTD_32_H 1

#define __NR_restart_syscall 0

#define __NR_exit 1

#define __NR_fork 2

#define __NR_read 3

#define __NR_write 4

#define __NR_open 5

#define __NR_close 6

#define __NR_waitpid 7

#define __NR_creat 8

#define __NR_link 9

#define __NR_unlink 10

#define __NR_execve 11

#define __NR_chdir 12

#define __NR_time 13

#define __NR_mknod 14

#define __NR_chmod 15

#define __NR_lchown 16

#define __NR_break 17

#define __NR_oldstat 18

#define __NR_lseek 19

#define __NR_getpid 20

#define __NR_mount 21

#define __NR_umount 22

#define __NR_setuid 23

#define __NR_getuid 24

#define __NR_stime 25

#define __NR_ptrace 26

#define __NR_alarm 27

#define __NR_oldfstat 28

#define __NR_pause 29

#define __NR_utime 30

#define __NR_stty 31

#define __NR_gtty 32

#define __NR_access 33

#define __NR_nice 34

#define __NR_ftime 35

#define __NR_sync 36

#define __NR_kill 37

#define __NR_rename 38

#define __NR_mkdir 39

#define __NR_rmdir 40

#define __NR_dup 41

#define __NR_pipe 42

#define __NR_times 43

#define __NR_prof 44

#define __NR_brk 45

#define __NR_setgid 46

#define __NR_getgid 47

#define __NR_signal 48

#define __NR_geteuid 49

#define __NR_getegid 50

#define __NR_acct 51

#define __NR_umount2 52

#define __NR_lock 53

#define __NR_ioctl 54

#define __NR_fcntl 55

#define __NR_mpx 56

#define __NR_setpgid 57

#define __NR_ulimit 58

#define __NR_oldolduname 59

#define __NR_umask 60

#define __NR_chroot 61

#define __NR_ustat 62

#define __NR_dup2 63

#define __NR_getppid 64

#define __NR_getpgrp 65

#define __NR_setsid 66

#define __NR_sigaction 67

#define __NR_sgetmask 68

#define __NR_ssetmask 69

#define __NR_setreuid 70

#define __NR_setregid 71

#define __NR_sigsuspend 72

#define __NR_sigpending 73

#define __NR_sethostname 74

#define __NR_setrlimit 75

#define __NR_getrlimit 76

#define __NR_getrusage 77

#define __NR_gettimeofday 78

#define __NR_settimeofday 79

#define __NR_getgroups 80

#define __NR_setgroups 81

#define __NR_select 82

#define __NR_symlink 83

#define __NR_oldlstat 84

#define __NR_readlink 85

#define __NR_uselib 86

#define __NR_swapon 87

#define __NR_reboot 88

#define __NR_readdir 89

#define __NR_mmap 90

#define __NR_munmap 91

#define __NR_truncate 92

#define __NR_ftruncate 93

#define __NR_fchmod 94

#define __NR_fchown 95

#define __NR_getpriority 96

#define __NR_setpriority 97

#define __NR_profil 98

#define __NR_statfs 99

#define __NR_fstatfs 100

#define __NR_ioperm 101

#define __NR_socketcall 102

#define __NR_syslog 103

#define __NR_setitimer 104

#define __NR_getitimer 105

#define __NR_stat 106

#define __NR_lstat 107

#define __NR_fstat 108

#define __NR_olduname 109

#define __NR_iopl 110

#define __NR_vhangup 111

#define __NR_idle 112

#define __NR_vm86old 113

#define __NR_wait4 114

#define __NR_swapoff 115

#define __NR_sysinfo 116

#define __NR_ipc 117

#define __NR_fsync 118

#define __NR_sigreturn 119

#define __NR_clone 120

#define __NR_setdomainname 121

#define __NR_uname 122

#define __NR_modify_ldt 123

#define __NR_adjtimex 124

#define __NR_mprotect 125

#define __NR_sigprocmask 126

#define __NR_create_module 127

#define __NR_init_module 128

#define __NR_delete_module 129

#define __NR_get_kernel_syms 130

#define __NR_quotactl 131

#define __NR_getpgid 132

#define __NR_fchdir 133

#define __NR_bdflush 134

#define __NR_sysfs 135

#define __NR_personality 136

#define __NR_afs_syscall 137

#define __NR_setfsuid 138

#define __NR_setfsgid 139

#define __NR__llseek 140

#define __NR_getdents 141

#define __NR__newselect 142

#define __NR_flock 143

#define __NR_msync 144

#define __NR_readv 145

#define __NR_writev 146

#define __NR_getsid 147

#define __NR_fdatasync 148

#define __NR__sysctl 149

#define __NR_mlock 150

#define __NR_munlock 151

#define __NR_mlockall 152

#define __NR_munlockall 153

#define __NR_sched_setparam 154

#define __NR_sched_getparam 155

#define __NR_sched_setscheduler 156

#define __NR_sched_getscheduler 157

#define __NR_sched_yield 158

#define __NR_sched_get_priority_max 159

#define __NR_sched_get_priority_min 160

#define __NR_sched_rr_get_interval 161

#define __NR_nanosleep 162

#define __NR_mremap 163

#define __NR_setresuid 164

#define __NR_getresuid 165

#define __NR_vm86 166

#define __NR_query_module 167

#define __NR_poll 168

#define __NR_nfsservctl 169

#define __NR_setresgid 170

#define __NR_getresgid 171

#define __NR_prctl 172

#define __NR_rt_sigreturn 173

#define __NR_rt_sigaction 174

#define __NR_rt_sigprocmask 175

#define __NR_rt_sigpending 176

#define __NR_rt_sigtimedwait 177

#define __NR_rt_sigqueueinfo 178

#define __NR_rt_sigsuspend 179

#define __NR_pread64 180

#define __NR_pwrite64 181

#define __NR_chown 182

#define __NR_getcwd 183

#define __NR_capget 184

#define __NR_capset 185

#define __NR_sigaltstack 186

#define __NR_sendfile 187

#define __NR_getpmsg 188

#define __NR_putpmsg 189

#define __NR_vfork 190

#define __NR_ugetrlimit 191

#define __NR_mmap2 192

#define __NR_truncate64 193

#define __NR_ftruncate64 194

#define __NR_stat64 195

#define __NR_lstat64 196

#define __NR_fstat64 197

#define __NR_lchown32 198

#define __NR_getuid32 199

#define __NR_getgid32 200

#define __NR_geteuid32 201

#define __NR_getegid32 202

#define __NR_setreuid32 203

#define __NR_setregid32 204

#define __NR_getgroups32 205

#define __NR_setgroups32 206

#define __NR_fchown32 207

#define __NR_setresuid32 208

#define __NR_getresuid32 209

#define __NR_setresgid32 210

#define __NR_getresgid32 211

#define __NR_chown32 212

#define __NR_setuid32 213

#define __NR_setgid32 214

#define __NR_setfsuid32 215

#define __NR_setfsgid32 216

#define __NR_pivot_root 217

#define __NR_mincore 218

#define __NR_madvise 219

#define __NR_getdents64 220

#define __NR_fcntl64 221

#define __NR_gettid 224

#define __NR_readahead 225

#define __NR_setxattr 226

#define __NR_lsetxattr 227

#define __NR_fsetxattr 228

#define __NR_getxattr 229

#define __NR_lgetxattr 230

#define __NR_fgetxattr 231

#define __NR_listxattr 232

#define __NR_llistxattr 233

#define __NR_flistxattr 234

#define __NR_removexattr 235

#define __NR_lremovexattr 236

#define __NR_fremovexattr 237

#define __NR_tkill 238

#define __NR_sendfile64 239

#define __NR_futex 240

#define __NR_sched_setaffinity 241

#define __NR_sched_getaffinity 242

#define __NR_set_thread_area 243

#define __NR_get_thread_area 244

#define __NR_io_setup 245

#define __NR_io_destroy 246

#define __NR_io_getevents 247

#define __NR_io_submit 248

#define __NR_io_cancel 249

#define __NR_fadvise64 250

#define __NR_exit_group 252

#define __NR_lookup_dcookie 253

#define __NR_epoll_create 254

#define __NR_epoll_ctl 255

#define __NR_epoll_wait 256

#define __NR_remap_file_pages 257

#define __NR_set_tid_address 258

#define __NR_timer_create 259

#define __NR_timer_settime 260

#define __NR_timer_gettime 261

#define __NR_timer_getoverrun 262

#define __NR_timer_delete 263

#define __NR_clock_settime 264

#define __NR_clock_gettime 265

#define __NR_clock_getres 266

#define __NR_clock_nanosleep 267

#define __NR_statfs64 268

#define __NR_fstatfs64 269

#define __NR_tgkill 270

#define __NR_utimes 271

#define __NR_fadvise64_64 272

#define __NR_vserver 273

#define __NR_mbind 274

#define __NR_get_mempolicy 275

#define __NR_set_mempolicy 276

#define __NR_mq_open 277

#define __NR_mq_unlink 278

#define __NR_mq_timedsend 279

#define __NR_mq_timedreceive 280

#define __NR_mq_notify 281

#define __NR_mq_getsetattr 282

#define __NR_kexec_load 283

#define __NR_waitid 284

#define __NR_add_key 286

#define __NR_request_key 287

#define __NR_keyctl 288

#define __NR_ioprio_set 289

#define __NR_ioprio_get 290

#define __NR_inotify_init 291

#define __NR_inotify_add_watch 292

#define __NR_inotify_rm_watch 293

#define __NR_migrate_pages 294

#define __NR_openat 295

#define __NR_mkdirat 296

#define __NR_mknodat 297

#define __NR_fchownat 298

#define __NR_futimesat 299

#define __NR_fstatat64 300

#define __NR_unlinkat 301

#define __NR_renameat 302

#define __NR_linkat 303

#define __NR_symlinkat 304

#define __NR_readlinkat 305

#define __NR_fchmodat 306

#define __NR_faccessat 307

#define __NR_pselect6 308

#define __NR_ppoll 309

#define __NR_unshare 310

#define __NR_set_robust_list 311

#define __NR_get_robust_list 312

#define __NR_splice 313

#define __NR_sync_file_range 314

#define __NR_tee 315

#define __NR_vmsplice 316

#define __NR_move_pages 317

#define __NR_getcpu 318

#define __NR_epoll_pwait 319

#define __NR_utimensat 320

#define __NR_signalfd 321

#define __NR_timerfd_create 322

#define __NR_eventfd 323

#define __NR_fallocate 324

#define __NR_timerfd_settime 325

#define __NR_timerfd_gettime 326

#define __NR_signalfd4 327

#define __NR_eventfd2 328

#define __NR_epoll_create1 329

#define __NR_dup3 330

#define __NR_pipe2 331

#define __NR_inotify_init1 332

#define __NR_preadv 333

#define __NR_pwritev 334

#define __NR_rt_tgsigqueueinfo 335

#define __NR_perf_event_open 336

#define __NR_recvmmsg 337

#define __NR_fanotify_init 338

#define __NR_fanotify_mark 339

#define __NR_prlimit64 340

#define __NR_name_to_handle_at 341

#define __NR_open_by_handle_at 342

#define __NR_clock_adjtime 343

#define __NR_syncfs 344

#define __NR_sendmmsg 345

#define __NR_setns 346

#define __NR_process_vm_readv 347

#define __NR_process_vm_writev 348

#define __NR_kcmp 349

#define __NR_finit_module 350

#define __NR_sched_setattr 351

#define __NR_sched_getattr 352

#define __NR_renameat2 353

#define __NR_seccomp 354

#define __NR_getrandom 355

#define __NR_memfd_create 356

#define __NR_bpf 357

#define __NR_execveat 358

#define __NR_socket 359

#define __NR_socketpair 360

#define __NR_bind 361

#define __NR_connect 362

#define __NR_listen 363

#define __NR_accept4 364

#define __NR_getsockopt 365

#define __NR_setsockopt 366

#define __NR_getsockname 367

#define __NR_getpeername 368

#define __NR_sendto 369

#define __NR_sendmsg 370

#define __NR_recvfrom 371

#define __NR_recvmsg 372

#define __NR_shutdown 373

#define __NR_userfaultfd 374

#define __NR_membarrier 375

#define __NR_mlock2 376

#define __NR_copy_file_range 377

#define __NR_preadv2 378

#define __NR_pwritev2 379

#endif /* _ASM_X86_UNISTD_32_H */

64位

#ifndef _ASM_X86_UNISTD_64_H

#define _ASM_X86_UNISTD_64_H 1

#define __NR_read 0

#define __NR_write 1

#define __NR_open 2

#define __NR_close 3

#define __NR_stat 4

#define __NR_fstat 5

#define __NR_lstat 6

#define __NR_poll 7

#define __NR_lseek 8

#define __NR_mmap 9

#define __NR_mprotect 10

#define __NR_munmap 11

#define __NR_brk 12

#define __NR_rt_sigaction 13

#define __NR_rt_sigprocmask 14

#define __NR_rt_sigreturn 15

#define __NR_ioctl 16

#define __NR_pread64 17

#define __NR_pwrite64 18

#define __NR_readv 19

#define __NR_writev 20

#define __NR_access 21

#define __NR_pipe 22

#define __NR_select 23

#define __NR_sched_yield 24

#define __NR_mremap 25

#define __NR_msync 26

#define __NR_mincore 27

#define __NR_madvise 28

#define __NR_shmget 29

#define __NR_shmat 30

#define __NR_shmctl 31

#define __NR_dup 32

#define __NR_dup2 33

#define __NR_pause 34

#define __NR_nanosleep 35

#define __NR_getitimer 36

#define __NR_alarm 37

#define __NR_setitimer 38

#define __NR_getpid 39

#define __NR_sendfile 40

#define __NR_socket 41

#define __NR_connect 42

#define __NR_accept 43

#define __NR_sendto 44

#define __NR_recvfrom 45

#define __NR_sendmsg 46

#define __NR_recvmsg 47

#define __NR_shutdown 48

#define __NR_bind 49

#define __NR_listen 50

#define __NR_getsockname 51

#define __NR_getpeername 52

#define __NR_socketpair 53

#define __NR_setsockopt 54

#define __NR_getsockopt 55

#define __NR_clone 56

#define __NR_fork 57

#define __NR_vfork 58

#define __NR_execve 59

#define __NR_exit 60

#define __NR_wait4 61

#define __NR_kill 62

#define __NR_uname 63

#define __NR_semget 64

#define __NR_semop 65

#define __NR_semctl 66

#define __NR_shmdt 67

#define __NR_msgget 68

#define __NR_msgsnd 69

#define __NR_msgrcv 70

#define __NR_msgctl 71

#define __NR_fcntl 72

#define __NR_flock 73

#define __NR_fsync 74

#define __NR_fdatasync 75

#define __NR_truncate 76

#define __NR_ftruncate 77

#define __NR_getdents 78

#define __NR_getcwd 79

#define __NR_chdir 80

#define __NR_fchdir 81

#define __NR_rename 82

#define __NR_mkdir 83

#define __NR_rmdir 84

#define __NR_creat 85

#define __NR_link 86

#define __NR_unlink 87

#define __NR_symlink 88

#define __NR_readlink 89

#define __NR_chmod 90

#define __NR_fchmod 91

#define __NR_chown 92

#define __NR_fchown 93

#define __NR_lchown 94

#define __NR_umask 95

#define __NR_gettimeofday 96

#define __NR_getrlimit 97

#define __NR_getrusage 98

#define __NR_sysinfo 99

#define __NR_times 100

#define __NR_ptrace 101

#define __NR_getuid 102

#define __NR_syslog 103

#define __NR_getgid 104

#define __NR_setuid 105

#define __NR_setgid 106

#define __NR_geteuid 107

#define __NR_getegid 108

#define __NR_setpgid 109

#define __NR_getppid 110

#define __NR_getpgrp 111

#define __NR_setsid 112

#define __NR_setreuid 113

#define __NR_setregid 114

#define __NR_getgroups 115

#define __NR_setgroups 116

#define __NR_setresuid 117

#define __NR_getresuid 118

#define __NR_setresgid 119

#define __NR_getresgid 120

#define __NR_getpgid 121

#define __NR_setfsuid 122

#define __NR_setfsgid 123

#define __NR_getsid 124

#define __NR_capget 125

#define __NR_capset 126

#define __NR_rt_sigpending 127

#define __NR_rt_sigtimedwait 128

#define __NR_rt_sigqueueinfo 129

#define __NR_rt_sigsuspend 130

#define __NR_sigaltstack 131

#define __NR_utime 132

#define __NR_mknod 133

#define __NR_uselib 134

#define __NR_personality 135

#define __NR_ustat 136

#define __NR_statfs 137

#define __NR_fstatfs 138

#define __NR_sysfs 139

#define __NR_getpriority 140

#define __NR_setpriority 141

#define __NR_sched_setparam 142

#define __NR_sched_getparam 143

#define __NR_sched_setscheduler 144

#define __NR_sched_getscheduler 145

#define __NR_sched_get_priority_max 146

#define __NR_sched_get_priority_min 147

#define __NR_sched_rr_get_interval 148

#define __NR_mlock 149

#define __NR_munlock 150

#define __NR_mlockall 151

#define __NR_munlockall 152

#define __NR_vhangup 153

#define __NR_modify_ldt 154

#define __NR_pivot_root 155

#define __NR__sysctl 156

#define __NR_prctl 157

#define __NR_arch_prctl 158

#define __NR_adjtimex 159

#define __NR_setrlimit 160

#define __NR_chroot 161

#define __NR_sync 162

#define __NR_acct 163

#define __NR_settimeofday 164

#define __NR_mount 165

#define __NR_umount2 166

#define __NR_swapon 167

#define __NR_swapoff 168

#define __NR_reboot 169

#define __NR_sethostname 170

#define __NR_setdomainname 171

#define __NR_iopl 172

#define __NR_ioperm 173

#define __NR_create_module 174

#define __NR_init_module 175

#define __NR_delete_module 176

#define __NR_get_kernel_syms 177

#define __NR_query_module 178

#define __NR_quotactl 179

#define __NR_nfsservctl 180

#define __NR_getpmsg 181

#define __NR_putpmsg 182

#define __NR_afs_syscall 183

#define __NR_tuxcall 184

#define __NR_security 185

#define __NR_gettid 186

#define __NR_readahead 187

#define __NR_setxattr 188

#define __NR_lsetxattr 189

#define __NR_fsetxattr 190

#define __NR_getxattr 191

#define __NR_lgetxattr 192

#define __NR_fgetxattr 193

#define __NR_listxattr 194

#define __NR_llistxattr 195

#define __NR_flistxattr 196

#define __NR_removexattr 197

#define __NR_lremovexattr 198

#define __NR_fremovexattr 199

#define __NR_tkill 200

#define __NR_time 201

#define __NR_futex 202

#define __NR_sched_setaffinity 203

#define __NR_sched_getaffinity 204

#define __NR_set_thread_area 205

#define __NR_io_setup 206

#define __NR_io_destroy 207

#define __NR_io_getevents 208

#define __NR_io_submit 209

#define __NR_io_cancel 210

#define __NR_get_thread_area 211

#define __NR_lookup_dcookie 212

#define __NR_epoll_create 213

#define __NR_epoll_ctl_old 214

#define __NR_epoll_wait_old 215

#define __NR_remap_file_pages 216

#define __NR_getdents64 217

#define __NR_set_tid_address 218

#define __NR_restart_syscall 219

#define __NR_semtimedop 220

#define __NR_fadvise64 221

#define __NR_timer_create 222

#define __NR_timer_settime 223

#define __NR_timer_gettime 224

#define __NR_timer_getoverrun 225

#define __NR_timer_delete 226

#define __NR_clock_settime 227

#define __NR_clock_gettime 228

#define __NR_clock_getres 229

#define __NR_clock_nanosleep 230

#define __NR_exit_group 231

#define __NR_epoll_wait 232

#define __NR_epoll_ctl 233

#define __NR_tgkill 234

#define __NR_utimes 235

#define __NR_vserver 236

#define __NR_mbind 237

#define __NR_set_mempolicy 238

#define __NR_get_mempolicy 239

#define __NR_mq_open 240

#define __NR_mq_unlink 241

#define __NR_mq_timedsend 242

#define __NR_mq_timedreceive 243

#define __NR_mq_notify 244

#define __NR_mq_getsetattr 245

#define __NR_kexec_load 246

#define __NR_waitid 247

#define __NR_add_key 248

#define __NR_request_key 249

#define __NR_keyctl 250

#define __NR_ioprio_set 251

#define __NR_ioprio_get 252

#define __NR_inotify_init 253

#define __NR_inotify_add_watch 254

#define __NR_inotify_rm_watch 255

#define __NR_migrate_pages 256

#define __NR_openat 257

#define __NR_mkdirat 258

#define __NR_mknodat 259

#define __NR_fchownat 260

#define __NR_futimesat 261

#define __NR_newfstatat 262

#define __NR_unlinkat 263

#define __NR_renameat 264

#define __NR_linkat 265

#define __NR_symlinkat 266

#define __NR_readlinkat 267

#define __NR_fchmodat 268

#define __NR_faccessat 269

#define __NR_pselect6 270

#define __NR_ppoll 271

#define __NR_unshare 272

#define __NR_set_robust_list 273

#define __NR_get_robust_list 274

#define __NR_splice 275

#define __NR_tee 276

#define __NR_sync_file_range 277

#define __NR_vmsplice 278

#define __NR_move_pages 279

#define __NR_utimensat 280

#define __NR_epoll_pwait 281

#define __NR_signalfd 282

#define __NR_timerfd_create 283

#define __NR_eventfd 284

#define __NR_fallocate 285

#define __NR_timerfd_settime 286

#define __NR_timerfd_gettime 287

#define __NR_accept4 288

#define __NR_signalfd4 289

#define __NR_eventfd2 290

#define __NR_epoll_create1 291

#define __NR_dup3 292

#define __NR_pipe2 293

#define __NR_inotify_init1 294

#define __NR_preadv 295

#define __NR_pwritev 296

#define __NR_rt_tgsigqueueinfo 297

#define __NR_perf_event_open 298

#define __NR_recvmmsg 299

#define __NR_fanotify_init 300

#define __NR_fanotify_mark 301

#define __NR_prlimit64 302

#define __NR_name_to_handle_at 303

#define __NR_open_by_handle_at 304

#define __NR_clock_adjtime 305

#define __NR_syncfs 306

#define __NR_sendmmsg 307

#define __NR_setns 308

#define __NR_getcpu 309

#define __NR_process_vm_readv 310

#define __NR_process_vm_writev 311

#define __NR_kcmp 312

#define __NR_finit_module 313

#define __NR_sched_setattr 314

#define __NR_sched_getattr 315

#define __NR_renameat2 316

#define __NR_seccomp 317

#define __NR_getrandom 318

#define __NR_memfd_create 319

#define __NR_kexec_file_load 320

#define __NR_bpf 321

#define __NR_execveat 322

#define __NR_userfaultfd 323

#define __NR_membarrier 324

#define __NR_mlock2 325

#define __NR_copy_file_range 326

#define __NR_preadv2 327

#define __NR_pwritev2 328

#endif /* _ASM_X86_UNISTD_64_H */

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