26 lines
543 B
C
26 lines
543 B
C
#include <stdio.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include <string.h>
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/*
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** itoab(n,s,b) - Convert "unsigned" n to characters in s using base b.
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** NOTE: This is a non-standard function.
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*/
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char* itoab(unsigned int n, char* s, int b)
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{
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char *ptr;
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int lowbit;
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ptr = s;
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b >>= 1;
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do {
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lowbit = n & 1;
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n = (n >> 1) & 0x7FFFFFFF;
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*ptr = ((n % b) << 1) + lowbit;
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if(*ptr < 10) *ptr += '0'; else *ptr += 55;
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++ptr;
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} while(n /= b);
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*ptr = 0;
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return strrev(s);
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}
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