SPV, push_back() , push_front

test.c

#include "spv.h"

void main(){
    SPV test;
    SPVconstruct(3,&test);      //this shows  3 garbage values
    //SPVconstruct(0,&test);    //this works fine


    int i;
    for(i=0;i<3;i++){
        SPVpush_back(&test,999);
        //SPVpush_front(&test,999);
    }
    SPVprint(&test);        //prints some garbage values
}

It is working fine
Zero padded