fgetc example in C

Header file:

    stdio.h

Synopsis:

     int fgetc(FILE *stream);

Description:

    It reads the next character from the stream and returns the integer(ascii) value of the character read.

fgetc function C example:

  #include<stdio.h>
  #include<errno.h>
  #include<string.h>
  int main() {
        char ch, *str;
        FILE *fp;
        fp = fopen("file.txt", "r");
        if (fp == NULL) {
                str = strerror(errno);
                perror(str);
                return;
        }
        while ((ch = fgetc(fp)) != EOF) {
                putchar(ch);
        }
        return 0;
  }

  Output:

  jp@jp-VirtualBox:~/cpgms/exp$ ls
  a.out   file.txt

  jp@jp-VirtualBox:~/cpgms/exp$ cat file.txt
  hello world
  hello world
  hello world

  jp@jp-VirtualBox:~/cpgms/exp$ ./a.out
  hello world
  hello world
  hello world