load.c

/*
    $RCSfile: load.c,v $
    $Revision: 1.1 $
    $Date: 1999-07-17 22:33:43-07 $
    $Author: doomer $

    this is the source to an application which will dynamically load
    each our "old" and "new" DLLs.
*/

#include <windows.h>
#include <stdio.h>

typedef long (*p_lv_fn)(void);

int main(int argc, char *argv[]){
    HANDLE dll_handle = 0;
    p_lv_fn func1_ptr = 0;

    printf("Loading old.dll\n");
    
    dll_handle = LoadLibrary("old.dll");
    if(!dll_handle){
        fprintf(stderr, "Failure loading old.dll\n");
        return -1;
    }

    func1_ptr = (p_lv_fn)GetProcAddress(dll_handle, "func1");
    if(!func1_ptr){
        FreeLibrary(dll_handle);
        dll_handle = 0;
        fprintf(stderr, "Failure trying to find func1 in old.dll\n");
        return -1;
    }

    printf("Results of func1: %ld\n", func1_ptr());

    func1_ptr = 0;

    FreeLibrary(dll_handle);
    dll_handle = 0;
    
    return 0;
}

/*
    $Log: load.c,v $
    Revision 1.1  1999-07-17 22:33:43-07  doomer
    Initial revision

*/