// 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 // System calls for labs #define SYS_trace 22 #define SYS_sysinfo 23 #define SYS_sigalarm 24 #define SYS_sigreturn 25 #define SYS_symlink 26 #define SYS_mmap 27 #define SYS_munmap 28 #define SYS_connect 29 #define SYS_pgaccess 30