#include <errno.h>
#include <stdlib.h>
//#include <file.h>
#include "stdio.h"
char *myitoa(int value, char *string, int radix)
{
char tmp[33];
char *tp = tmp;
int i;
unsigned v;
int sign;
char *sp;
if (radix > 36 || radix <= 1)
{
// __set_errno(EDOM);
return 0;
}
sign = (radix == 10 && value < 0);
if (sign)
v = -value;
else
v = (unsigned)value;
while (v || tp == tmp)
{
i = v % radix;
v = v / radix;
if (i < 10)
*tp++ = i+'0';
else
*tp++ = i + 'a' - 10;
}
if (string == 0)
string = (char *)malloc((tp-tmp)+sign+1);
sp = string;
if (sign)
*sp++ = '-';
while (tp > tmp)
*sp++ = *--tp;
*sp = 0;
return string;
}
void main(void)
{
int num = 54321123;
int iadix = 16;
char result[20] = "";
myitoa(num,result,iadix);
printf("%s",result);
}