# Syscall numbers (x86_64) .equ SYS_EXIT, 60 .equ SYS_READ, 0 .equ SYS_WRITE, 1 .equ SYS_OPEN, 2 .equ SYS_CLOSE, 3 .equ SYS_BRK, 12 # Default File Descriptors .equ STDIN, 0 .equ STDOUT, 1 .equ STDERR, 2 # Common Status Codes .equ END_OF_FILE, 0