m4.test1

来自「<B>Digital的Unix操作系统VAX 4.2源码</B>」· TEST1 代码 · 共 11 行

dnl	@(#)m4.test1	1.2
define(string,`integer $1(len(substr($2,1)))
str($1,substr($2,1),0)
	data $1(len(substr($2,1)))/EOS/
')
define(str,`ifelse($2,",,`
	'data $1(incr($3))/`LET'substr($2,0,1)/`str($1,substr($2,1),incr($3))')')

string(xxx,"abc")
string(yyyy,"123456789")