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Annotation of 43BSDReno/usr.bin/learn/objects/getnum.c, revision 1.1.1.1

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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