1 #define SYS_fork 1 2 #define SYS_exit 2 3 #define SYS_wait 3 4 #define SYS_cons_putc 4 5 #define SYS_pipe 5 6 #define SYS_write 6 7 #define SYS_read 7 8 #define SYS_close 8 9 #define SYS_block 9 10 #define SYS_kill 10 11 #define SYS_panic 11 12 #define SYS_cons_puts 12 13 #define SYS_exec 13 14 #define SYS_open 14 15