33 lines
431 B
C
33 lines
431 B
C
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/* str2long()
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*/
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value(c, b)
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char c;
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int b;
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{
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if (c >= '0' && c <= '9')
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return c - '0';
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if (c >= 'A' && c <= 'F')
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return c - 'A' + 10;
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if (c >= 'a' && c <= 'f')
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return c - 'a' + 10;
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return b;
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}
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long
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str2long(str, base)
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register char *str;
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int base;
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{
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int minus = 0, d;
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long l = 0;
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if (*str == '-') {
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minus++;
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str++;
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}
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while ((d = value(*str++, base)) < base)
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l = base * l + d;
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return minus ? -l : l;
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}
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