//===============================================================// vos. - the OS interface object//// Copyright (C) 1995,1996  Bruce E. Wampler//// This file is part of the V C++ GUI Framework, and is covered// under the terms of the GNU Library General Public License,// Version 2. This library has NO WARRANTY. See the source file// vapp.cxx for more complete information about license terms.//===============================================================#ifndef VOS_H#define VOS_H    class vOS      {      public:      	vOS();        ~vOS();	char* vGetFullPath(char *buf, char *fname, int len);	int vGetEnvVal(char* name, char *val, int maxlen=255);	int vChDrive(int drive);	int vGetUserName( char* s, int len);	void vGetHostName(char* s, int len);	long vGetPid();	int vGetCWD(char* buf, int len);	int vChDir(const char *path);	void vSleep(long MSec);	int vDeleteFile(const char* filename);	int vRenameFile(const char* filename, const char* newFilename);	int vRunProcess(const char* cmd, const char* StdOut = 0,	  const char* StdErr = 0, const int Wait = 0, const int minimize = 0);     };#endif