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openlib.c
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C/C++ Source or Header
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1996-09-26
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1KB
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54 lines
/*
* openlib.c
* H.Ohkubo Aug. 4 1992
*/
#include <exec/types.h>
#include <intuition/intuitionbase.h>
#include <graphics/gfxbase.h>
#include <functions.h>
#include <stdio.h>
#include <stdlib.h>
#include "openlib.h"
#define INTUITION_LIB "intuition.library"
#define GRAPHICS_LIB "graphics.library"
#define DISKFONT_LIB "diskfont.library"
#define INTUITION_REV 33L
#define GRAPHICS_REV 33L
#define DISKFONT_REV 33L
struct IntuitionBase *IntuitionBase = NULL;
struct GfxBase *GfxBase = NULL;
struct Library *DiskfontBase = NULL;
BOOL OpenLib(VOID)
{
BOOL retval = FALSE;
if ((IntuitionBase = (struct IntuitionBase *)
OpenLibrary(INTUITION_LIB, INTUITION_REV)) != NULL) {
if ((GfxBase = (struct GfxBase *)
OpenLibrary(GRAPHICS_LIB, GRAPHICS_REV)) != NULL) {
if ((DiskfontBase =
OpenLibrary(DISKFONT_LIB, DISKFONT_REV)) != NULL) {
retval = TRUE;
}
else
CloseLib();
}
else
CloseLib();
}
return retval;
}
VOID CloseLib(VOID)
{
if (GfxBase)
CloseLibrary(GfxBase);
if (IntuitionBase)
CloseLibrary(IntuitionBase);
}