enum {
	SCR_NOERR,
	SCR_FAILED,
	SCR_NOPICTURE,
	SCR_UNKNOWN,
	SCR_NOMEMORY,
	SCR_FILEIO,
	SCR_TOOFEWARG,
	SCR_TOOMANYARG,
	SCR_TIFFLOADERR,
	SCR_TIFFSAVEERR,
	SCR_UNDEFINEDVAR,
	SCR_VARIABLE,
	SCR_STRVALUE,
	SCR_0DIVIDE,
	SCR_SYNTAX,
	SCR_NOMASK
};

/* scrdvr.c */
int ScrLoadFile(char *fn);
int ScrPopFile();
int ScrGetProgFile(char *fil);
int ScrGetLineString(char *str,int lin);
int ScrExecProgram(int *errLine);
int ScrExist();