compilers/linux86-0.16.17/libc/misc/itoa.c

   1 /* itoa.c <ndf@linux.mit.edu> */
   2 #define __MAX_INT_CHARS 7
   3
   4 char *
   5 itoa(i)
   6 int   i;
   7 {
   8    static char a[__MAX_INT_CHARS];
   9    char *b = a + sizeof(a) - 1;
  10    int   sign = (i < 0);
  11
  12    if (sign)
  13       i = -i;
  14    *b = 0;
  15    do
  16    {
  17       *--b = '0' + (i % 10);
  18       i /= 10;
  19    }
  20    while (i);
  21    if (sign)
  22       *--b = '-';
  23    return b;
  24 }