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Read and check if the file end has been reached

#include <stdio.h>
#include <stdlib.h>

int main(int argc, char *argv[])
{
  FILE *fp;
  char ch;

  if((fp = fopen(argv[ 1 ], "r")) == NULL) {
    printf("Cannot open file.\n");
    exit(1);
  }

  while((ch=getc(fp))!=EOF) {
    printf("%c", ch);
  }

  fclose(fp);

  return 0;
}








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3.Check if End Of File has been reached: how to use feof