23 lines
511 B
C++
23 lines
511 B
C++
#include "stdio.h"
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#include "stdlib.h"
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#include "ctype.h"
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/*
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** atoib(s,b) - Convert s to "unsigned" integer in base b.
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** NOTE: This is a non-standard function.
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*/
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int atoib(char *s,int b)
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{
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int n, digit;
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n = 0;
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while(isspace(*s)) ++s;
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while((digit = (127 & *s++)) >= '0') {
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if(digit >= 'a') digit -= 87;
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else if(digit >= 'A') digit -= 55;
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else digit -= '0';
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if(digit >= b) break;
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n = b * n + digit;
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}
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return (n);
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}
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