/*
 * edlib v1.1 Copyright 1989 Edwin Hoogerbeets
 * This code is freely redistributable as long as no charge other than
 * reasonable copying fees are levied for it.
 */

/* Return the number of characters from "charset" that are at the BEGINNING
 * of string "str".
*/

int strspn(str, charset)
register char *str, *charset;
{
        register char *temp = str;

        while ( index(charset, *temp) )
                ++temp;

        return(temp - str);
}