C program to find all substrings of a given string

#include <stdio.h>

#include <string.h>

main()

{

            char name[50];

            int i,j,k,l1;

            gets(name);

            l1=strlen(name);

            for(i=0;i<l1;i++)

            {

                        for(j=0;j<l1;j++)

                        {

                                    for(k=i;k<=j;k++)

                                                printf("%c",name[k]);

                                    printf("\n");

                        }

            }

}