Determine if the supplied cstr amounts to a valid URL.

Return Type	Function name	Arguments
bool	IsUrl	(const char*,)

Declared in file: hzTextproc.h
Defined in file : hzUrl.cpp

Function Logic:

Function body:

bool IsUrl (const char* url)
{
   //  Category: Text processing
   //  
   //  Determine if the supplied cstr amounts to a valid URL.
   //  
   //  Arguments: 1) url  The URL as cstr, string
   //  
   //  Returns: True If the chain iterator is at the start of a valid URL
   //     False Otherwise
   _hzfunc("IsUrl") ;
   hzUrl   U ;     //  Test URL
   U = url ;
   return !U ? false : true ;
}