/**********Copyright 1990 Regents of the University of California.  All rights reserved.Author: 1985 Thomas L. QuarlesModified: 1999 Paolo Nenzi - Now we can use a two digits level code -**********/    /* INPfindLev(line,level)     *      find the 'level' parameter on the given line and return its     *      value (1,2,..,99 for now, 1 default)     *      */#include "ngspice.h"#include <stdio.h>#include <string.h>#include "inpdefs.h"#include "inp.h"char *INPfindLev(char *line, int *level){    char *where;    /*     *where = line;     */    where = strstr(line, "level");    if (where != NULL) {	/* found a level keyword on the line */	where += 5;		/* skip the level keyword */	while ((*where == ' ') || (*where == '\t') || (*where == '=') ||	       (*where == ',') || (*where == '(') || (*where == ')') ||	       (*where == '+')) {	/* legal white space - ignore */	    where++;	}	/* now the magic number */	sscanf(where, "%2d", level);	/* We get the level number */	if (*level < 0) {	    *level = 1;	    printf("Illegal value for level.\n");	    printf("Level must be >0 (Setting level to 1)\n");	    return (INPmkTemp		    (" illegal (negative) argument to level parameter - level=1 assumed"));	}	if (*level > 99) {	/* Limit to change in the future */	    *level = 1;	    printf("Illegal value for level.\n");	    printf("Level must be <99 (Setting Level to 1)\n");	    return (INPmkTemp		    (" illegal (too high) argument to level parameter - level=1 assumed"));	}	return ((char *) NULL);    }    else {			/* no level on the line => default */	*level = 1;	printf("Warning -- Level not specified on line \"%s\"\nUsing level 1.\n", line);	return ((char *) NULL);    }}