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ITOAB.C
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C/C++ Source or Header
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1984-07-29
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561b
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27 lines
/* itoab.c - integer to ASCII based conversion.
K & R page 60, using pointers, including reverse.
Entered - G. R. Mansfield. 84/06/06.
Ver 1.0-4729.
*/
itoab(n, s, b) /* convert n to characters in s using base b */
char *s;
unsigned b, n;
{
char c, *p;
int i;
p = s;
do { /* generate digits in reverse order */
i = n % b; /* get next digit */
*p++ = (i >= 10) ? i + ('A' - 10) : i + '0';
}
while ((n /= b) > 0); /* delete it */
*p = '\0';
while (p > s) { /* reverse string */
c = *s;
*s++ = *--p;
*p = c;
}
}