一个很不错的程序切片工具,希望大家来讨论以下,对测试人员很有帮助

				#ifndef _control_h				#define _control_h				# define CONTROL_SCCS_ID "	@(#)control.h	1.1  8/10/95 "				# include 				/*				***********************************************************************				*                                                                     *				*   codes for defining control structure                              *				*                                                                     *				*   General form:                                                     *				*      STMT (CTRL-FROM,CTRL-TO,STMT-FROM,STMT-TO) Comments            *				*                                                                     *				*      STMT identifies type of control statement                      *				*      CTRL- identifies controling nodes                              *				*      STMT- identifies statements controled                          *				*                                                                     *				*      An IF_THEN_ELSE has two sets of controled statements           *				*                                                                     *				***********************************************************************				*/								#define IF_CTRL				1				#define IF_THEN_ELSE_CTRL	2				#define DO_CTRL				3				#define WHILE_CTRL			4				#define FOR_CTRL			5				#define SWITCH_CTRL			6								FILE	*ctrl_file;				#endif /* _control_h */