strnicmp.c

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#include <precomp.h>
 
/*
 * @implemented
 */
int CDECL _strnicmp(const char *s1, const char *s2, size_t n)
{
 
  if (n == 0)
    return 0;
  do {
    if (toupper(*s1) != toupper(*s2++))
      return toupper(*(unsigned const char *)s1) - toupper(*(unsigned const char *)--s2);
    if (*s1++ == 0)
      break;
  } while (--n != 0);
  return 0;
}