483 - Word Scramble

#include <stdio.h>

int main()
    {
    char line[500000],put[500000],character;
    long c,k,i,numberofspace;
    while(scanf("%c",&character)!=EOF)
         {
         c=0;
         k=1;
         i=0;
         numberofspace=0;
         line[0]=character;
         do
          {
          if(line[c]==' ' && numberofspace==0)
            {
            for(long p=i-1;p>=0;p--)
               printf("%c",put[p]);
            i = 0;
            printf("%c",32);
            numberofspace +=1;;
            }
          else if(line[c]==' ' && numberofspace > 0)
                {
                printf("%c",32);
                }
          else
             {
             put[i]=line[c];
             i += 1;
             numberofspace=0;
             }
          c +=1;
          character = getchar();
          line[c]=character;
          }while(character != '\n'); // End of do-while

         //printf("\n");
         for(long p=i-1;p>=0;p--)
               printf("%c",put[p]);

         printf("\n");
         } // End of while
    } // End of main