Desordenar numeros

#include<stdio.h>

#include<math.h>

#include<time.h>

#include<stdlib.h>

int vetrandom(int *v,int t){

        int a,b,aux,i,ok=0;

        srand(time(NULL));

        for(i=0;i<200;i++){

            while(ok==0){

                //randomize();

                //srand(time(NULL));

                a=rand() % (t);

                //randomize();

                //srand(time(NULL));

                //printf("rand: %d\n", rand());

                //srand(time(NULL));

                b=rand() % (t);

                if(a==b){

                    ok=0;

                }else{

                    ok=1;

                }

                printf ("a: %d   b: %d\n", a, b);

            }

            printf ("ANTES - v[a]: %d   v[b]: %d\n", v[a], v[b]);

            aux=v[b];

            v[b]=v[a];

            v[a]=aux;

            printf ("DEPOIS - v[a]: %d   v[b]: %d\n", v[a], v[b]);

            ok = 0;

            }

}

int main(){

    int quant;

    printf("Digite a quantidade de termos: ");

    scanf("%d",&quant);

    int vetor[quant],a,b,c;

    printf("Digite os valores: ");

        for(a=0;a<quant;a++){

            printf("%d: ",a);

            scanf("%d",&vetor[a]);

        }

    vetrandom(vetor,quant);

    for(a=0;a<quant;a++){

        printf("%d",vetor[a]);

    }

}