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#include <stdio.h>
 
#define BUFFER_SIZE 1024
void func(FILE *file) {
  char buf[BUFSIZBUFFER_SIZE];

  if (fgets(buf, sizeof(buf), file) == NULL) {
    /* Set error flag and continue */
  }

}

#include <stdio.h>
 
#define BUFFER_SIZE 1024
void func(FILE *file) {
  char buf[BUFSIZBUFFER_SIZE];

  if (fgets(buf, sizeof(buf), file) == NULL) {
    /* Set error flag and continue */
    *buf = '\0';
  }

}