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27 lines
469 B
C
27 lines
469 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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** itoa(n,s) - Convert n to characters in s
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*/
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char* __itoa(int n,char* s)
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{
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int sign;
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char *ptr;
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ptr = s;
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if(n == (int)0x80000000)
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return strcpy(s, "-2147483648"); // overflowed -n
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if ((sign = n) < 0) n = -n;
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do {
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*ptr++ = n % 10 + '0';
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} while ((n = n / 10) > 0);
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if (sign < 0) *ptr++ = '-';
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*ptr = '\0';
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return strrev(s);
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}
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