Thread: Keep reading lines in a file

I need to basically make a loop where i read everyline in a file but how would i tell the loop to stop when it reaches the end of a file?

while (empinfo <<my filename != \0)

i tired that but that was useless

Code:

      empinfo = fopen("employees.dat", "r");
      if (fp == NULL) {
         printf("Cannot open %s\n", fp);
         }
      else {
           /*printf("What is the 4 digit employee number: ");
           scanf("%s", first);*/
           do {
           fscanf(empinfo, "%d:%[^:]:%[^:]:%d:%lf\n", &empnum, last, first, &emprate, &emphours);
           printf("%s ", first);
           k++;
           } while (k != 6);
           fclose(empinfo);
           }

thats what im doing right now, but i need it to find out when to stop since ill be adding lines into the file so i cant go into the code manually everytime