alloc.c

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


int main(void) {
    int ctr = 0;
    int i;

    for( i = 0; ; i++ ) {
        void* ret = VirtualAllocEx(
                     GetCurrentProcess(),
                     NULL,
                     4 * 1024 * 1024,
                     MEM_RESERVE,
                     PAGE_READWRITE);
        if( NULL == ret ) {
            printf("error = %d\n", GetLastError());
            break;
        }
        ctr++;
        if( (ctr % 1000) == 0 ) {
            printf("%d\n");
        }
    }
    printf("%d\n", ctr);
    return 0;
}