src/test.c

   1 /* Desc: Reading Files
   2  * Usage: ./test
   3  * Ref/Attrib: [0] C programming tutorial for beginners https://youtu.be/KJgsSFOSQv0?t=3h41m54s
   4  *             [1] https://youtu.be/ix5jPkxsr7M?t=3072
   5  *             [2] C: Multiple scanf's, when I enter in a value for one scanf it skips the second scanf https://stackoverflow.com/a/9562355
   6  *             [3] File Positioning https://www.gnu.org/software/libc/manual/html_node/File-Positioning.html
   7  */
   8
   9 #include <stdio.h>
  10 //#include <stdlib.h>
  11
  12 int main(){
  13
  14   int fposition;
  15   char line[255];
  16   FILE *fpointer = fopen("employees.txt", "r");
  17
  18   printf("%p : fpointer address\n", fpointer);
  19   fgets(line, 255, fpointer);
  20   fposition = ftell(fpointer); // See [3]
  21   printf("%d : fposition\n", fposition);
  22
  23   printf("%p : fpointer address\n", fpointer);
  24   printf("%s", line);
  25
  26   printf("%p : fpointer address\n", fpointer);
  27   fgets(line, 255, fpointer);
  28   fposition = ftell(fpointer);
  29   printf("%d : fposition\n", fposition);
  30
  31   printf("%p : fpointer address\n", fpointer);
  32   printf("%s", line);
  33
  34   printf("%p\n : fpointer address\n", fpointer);
  35   fclose(fpointer);
  36   printf("\n\nDone.\n\n");
  37   return 0;
  38 };
  39
  40
  41
  42
  43 /*
  44  * Author: Steven Baltakatei Sandoval
  45  * License: GPLv3+
  46  */