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Annotation of 41BSD/libc/gen/atoi.c, revision 1.1.1.1

1.1       root        1: atoi(ap)
                      2: char *ap;
                      3: {
                      4:        register int  n, c;
                      5:        register char *p;
                      6:        int f;
                      7: 
                      8:        p = ap;
                      9:        n = 0;
                     10:        f = 0;
                     11: loop:
                     12:        while(*p == ' ' || *p == '      ')
                     13:                p++;
                     14:        if(*p == '-') {
                     15:                f++;
                     16:                p++;
                     17:                goto loop;
                     18:        }
                     19:        while(*p >= '0' && *p <= '9')
                     20:                n = n*10 + *p++ - '0';
                     21:        if(f)
                     22:                n = -n;
                     23:        return(n);
                     24: }

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