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Annotation of 43BSDTahoe/usr.bin/learn/getnum.c, revision 1.1

1.1     ! root        1: #ifndef lint
        !             2: static char sccsid[] = "@(#)getnum.c   1.1     (Berkeley)      6/8/88";
        !             3: #endif not lint
        !             4: 
        !             5: #include <stdio.h>
        !             6: 
        !             7: getnum()
        !             8: {
        !             9:        int c, n;
        !            10: 
        !            11:        n = 0;
        !            12:        while ((c=getchar()) >= '0' && c <= '9')
        !            13:                n = n*10 + c - '0';
        !            14:        if (c == EOF)
        !            15:                return(-1);
        !            16:        return(n);
        !            17: }

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