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Friday 27 April 2012

putchar example in C

Header file:
    stdio.h

Synopsis:
     int putchar(int c);

Description:
     It is equivalent to putc(c, stdout).


putchar function C example:


  #include<stdio.h>
  int main() {
        char ch;
        FILE *fp;
        fp = fopen("input.txt", "r");
        while ((ch = fgetc(fp)) != EOF)
                putchar(ch);
        return 0;
  }



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

  jp@jp-VirtualBox:~/cpgms/exp$ cat input.txt
  Hello world
  This is putchar example program in C
  Thanks for visiting our blog

  jp@jp-VirtualBox:~/cpgms/exp$ ./a.out
  Hello world
  This is putchar example program in C
  Thanks for visiting our blog



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