rand - Generates sequences of Pseudonumbers in C

//rand() in c 
//Generate sequence of Pseudonumbers
  #include <stdlib.h>
  #include <stdio.h>

  int main(void)
  {
    int i;

    for(i=11; i<20; i++){
      printf("%d \n", rand());
    }

    return 0;
  }


Output:
1804289383
846930886
1681692777
1714636915
1957747793
424238335
719885386
1649760492
596516649