VS_CODE/cleanPDFtest.cpp

#include "hpdf.h"
#include <cstdio>
#include <setjmp.h>

jmp_buf env;
void __stdcall error_handler (HPDF_STATUS error_no, HPDF_STATUS detail_no, void *user_data)
{
    printf ("ERROR: error_no=%04X, detail_no=%u\n", (HPDF_UINT)error_no,
                (HPDF_UINT)detail_no);
    longjmp(env, 1);
}
int main (){
    
    HPDF_Doc pdf = HPDF_New (error_handler, NULL);

    if (!pdf) {
        printf ("ERROR: cannot create pdf object.\n");
        return 1;
    }

    if (setjmp(env)) {
        HPDF_Free (pdf);
        return 1;
    }
}