/*                      - STRSTR.C -

   The ANSI "strstr" function.

   $Revision: 38615 $

   Copyright 1986 - 1999 IAR Systems. All rights reserved.
*/

#include "string.h"

char *strstr(const char *s1, const char *s2)
{
  int n;

  if (*s2)
  {
    while (*s1)
    {
      for (n=0; *(s1 + n) == *(s2 + n); n++)
      {
        if (!*(s2 + n + 1))
          return (char *)s1;
      }
      s1++;
    }
    return NULL;
  }
  else
    return (char *)s1;
}

//******************************************************************************
// Функция сравнения строк
//******************************************************************************
char __generic* strstr_G(char __generic* buf, char __generic* sub)
{
if (*sub)
{
while (*buf)
{
char __generic* bp = buf;

do
{
if (!*sub) return buf;
}
while (*bp++ == *sub++);
sub -= (unsigned long) bp;
sub += (unsigned long) buf;
buf += 1;
}
return NULL;
}
return buf;
}