$offset = $1;
	}
	elsif(/^#define __NR_syscalls\s+/) {
		# ignore redefinitions of __NR_syscalls
	}
	elsif(/^#define __NR_(\w+)\s+([0-9]+)/){
		$prev = $2;
		fmt($1, $2);
	}
	elsif(/^#define __NR3264_(\w+)\s+([0-9]+)/){
		$prev = $2;
		fmt($1, $2);
	}
	elsif(/^#define __NR_(\w+)\s+\(\w+\+\s*([0-9]+)\)/){
		fmt($1, $prev+$2)
	}
	elsif(/^#define __NR_(\w+)\s+\(__NR_Linux \+ ([0-9]+)/){
		fmt($1, $2);
	}