[Courses] Using <time.h>

[Abel Pires da Silva]

I'm trying to put a time function on the program to
count how much time (in seconds) for the program to
open a file, read its content until the program
finished made comparation...

start counting time;
if ((PF=fopen("tabel.txt","r"))!= NULL)  /*
open the file contained with restricted addresses */
{
while ((fgets(line,20, PF))!= NULL)
  {
  if((strstr(line, buffer)) != NULL) /* deny if any
match*/
     {
      printf("denied\n");
     } 
  }
}
final time;

I'm a beginner in C so, Can any one give me an example
how to implement this?
I would be very grateful.
ABel

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