32 lines
562 B
C
32 lines
562 B
C
|
/* f4true.c (c)Copyright Sequiter Software Inc., 1990-1994. All rights reserved.
|
||
|
|
||
|
Returns a true or false.
|
||
|
*/
|
||
|
|
||
|
#include "d4all.h"
|
||
|
#ifndef S4UNIX
|
||
|
#ifdef __TURBOC__
|
||
|
#pragma hdrstop
|
||
|
#endif
|
||
|
#endif
|
||
|
|
||
|
#include <ctype.h>
|
||
|
|
||
|
int S4FUNCTION f4true( FIELD4 *field )
|
||
|
{
|
||
|
char char_value ;
|
||
|
|
||
|
#ifdef S4VBASIC
|
||
|
if ( c4parm_check( field, 3, E4_F4TRUE ) )
|
||
|
return -1 ;
|
||
|
#endif
|
||
|
|
||
|
#ifdef S4DEBUG
|
||
|
if ( field == 0 )
|
||
|
e4severe( e4parm, E4_F4TRUE ) ;
|
||
|
#endif
|
||
|
|
||
|
char_value = (char) toupper( *f4ptr( field ) ) ;
|
||
|
return ( char_value == 'Y' || char_value == 'T' ) ? 1 : 0 ;
|
||
|
}
|