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#2
June 1st, 2002, 06:43 PM
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C-Style
Prototype:
char * itoa ( int value, char * buffer, int radix ); Parameters: value Value to be represented as a string. buffer Buffer where to store the resulting string. radix Numeral radix in which value has to be represented, between 2 and 36. /* itoa example */ #include <stdio.h> #include <stdlib.h> int main () { int i; char buffer [33]; printf ("Enter a number: "); scanf ("%d",&i); itoa (i,buffer,10); printf ("decimal: %s\n",buffer); itoa (i,buffer,16); printf ("hexadecimal: %s\n",buffer); itoa (i,buffer,2); printf ("binary: %s\n",buffer); return 0; } /* Output: Enter a number: 1750 decimal: 1750 hexadecimal: 6d6 binary: 11011010110 */
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#3
June 1st, 2002, 07:06 PM
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thanks but i'm not sure how exactly i'm supposed to use this
in my class i included #include <stdlib.h> and I have this method Code:
string TreeNode::getElemString()
{
int i = this->elem;
char buffer [33];
itoa (i,buffer,10);
return buffer;
}
but when I try to compile I get this error: TreeNode.cc: In method `class string TreeNode::getElemString()': TreeNode.cc:41: implicit declaration of function `int itoa(...)' line 41 being itoa (i,buffer,10); thanks!
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#4
June 2nd, 2002, 05:29 PM
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Why not use the sprintf() function
Code:
#include <stdio.h>
int main() {
int foo = 10;
char buf[33];
sprintf(buf, "%d", foo);
}
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