syscall.h

// System call numbers
#define SYS_fork           1
#define SYS_exit           2
#define SYS_wait           3
#define SYS_pipe           4
#define SYS_read           5
#define SYS_kill           6
#define SYS_exec           7
#define SYS_fstat          8
#define SYS_chdir          9
#define SYS_dup           10
#define SYS_getpid        11
#define SYS_sbrk          12
#define SYS_sleep         13
#define SYS_uptime        14
#define SYS_open          15
#define SYS_write         16
#define SYS_mknod         17
#define SYS_unlink        18
#define SYS_link          19
#define SYS_mkdir         20
#define SYS_close         21

#define SYS_waitpid       22
#define SYS_setpriority   23
#define SYS_getpriority   24
#define SYS_count         25

#define SYS_exitinfo      26
#define SYS_schedinfoinit 27
#define SYS_schedinfo     28

#define SYS_clone         29
#define SYS_yield         30

#define SYS_sem_init      31
#define SYS_sem_wait      32
#define SYS_sem_signal    33
#define SYS_sem_broadcast 34

#define SYS_test_init     35
#define SYS_update_num    36
#define SYS_get_num       37