#pragma hdrstop
#include <condefs.h>
#include <string.h>
#include <stdio.h>

//---------------------------------------------------------------------------
#pragma argsused
int main(int argc, char **argv)
{
 char string[500], *ptr;
 int lengSRC;

   if ( argc < 3 )
   {
     puts( "Search'n'Replace v1.0 | José David Guillén\n" );
     puts( "snr [search] [replace]\n" );
   } else {
     lengSRC = strlen( argv[1] );
     while (  gets( string ) != NULL )
     {
       if ( ( ptr = strstr( string, argv[1] ) ) == NULL )
       {
         puts( string );
       } else {
         ptr[0] = '\0';
         printf("%s%s%s\n", string, argv[2], ptr + lengSRC );
       }
     }
   }

   return 0;
}