Programming

#include <stdio.h>
/*count the characters in input; */

main() {
  char c;

  while (c = (getchar() != EOF) )
  {
//    putchar(c);
    printf("%c\n", putchar(c));
  }

}

A test

A

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t

printf("%c\n", putchar(c));
// should be
printf("%c\n", c);

  while ((c = getchar()) != EOF)

$ ./print_by_char
A test
[ ]

[ ]

[ ]
[ ]
[ ]

[ ]
$

|00|
|01|

$ cat test.c
#include <stdio.h>

main() {
  int c;

  while ((c = getchar()) != EOF) {
    printf("%c\n", c);
    }
  }

$ cat input
A test

$ gcc test.c
$ a.out < input
A

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t
[ blank line ]
[ blank line ]

$ cat main.c
#include <stdio.h>
/*count the characters in input; */

int main() {
  char c;
  while ((c = getchar()) != EOF)
  {
    printf("%c\n", c);
  }

  return 0;
}
$ cc -o main main.c
$ ./main           
Hello World
H
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l
l
o
 
W
o
r
l
d

while ((c = (getchar() != EOF))

while ((c = getchar()) != EOF)

A Test
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