ISLOG()
From Recital Documentation Wiki
Revision as of 12:18, 30 March 2009 by Yvonnemilne (Talk | contribs)
PURPOSE
Is the parameter a logical
SYNONYM
None
SYNOPSIS
#include "dbapi.h" int ISLOG(order) <input parameters> int order; /* Placement in actual parameter list */ <output parameters> none
DESCRIPTION
The function checks if the specified parameter is logical. It returns 1 if true, or 0 if false. The order specifies the actual placements in the parameter list.
EXAMPLE
The following example returns .T. if the first parameter passed is logical, or .F. otherwise.
Example Recital program:
m_values = deleted() m_islog=check_log(m_values) return
Example 'C' function:
#include "dbapi.h" check_log() { _retl(ISLOG(1)); }
SEE ALSO
_parinfa(), _parinfo(), _parl(), _parni(), _retl(), _retni(), PCOUNT