print integer to stdout using write or putchar? code example
Example: print integer to stdout using write or putchar?
#include "my_putchar.h"
/* 0x2D = '-'
* 0x0 = NUL */
int my_put_nbr(int n)
{
if (n < 0)
{
my_putchar(0x2D);
n = -n;
}
if (n > 9)
{
my_put_nbr(n/10);
}
my_putchar((n%10) + '0');
return 0;
}