Exercise 7.2 - print non-graphic characters in octal or hexadecimal#
Question#
Write a program that will print arbitrary input in a sensible way. As a minimum, it should print non-graphic characters in octal or hexadecimal according to local custom, and break long text lines.
/* Write a Program that will print arbitrary input in a sensible way.As a
/* minimum,it should prrint non-graphic character in octal or hexadecimal
/* according to the local customer and break long text lines */
#include<stdio.h>
#include<ctype.h>
#define MAXLINE 100 /* maximum number of chars in one line */
#define OCTLEN 6 /* length of an octal value */
/* print arbitrary input in a sensible way */
int main(void)
{
int c,pos;
int inc(int pos,int n);
pos = 0; /* position in the line */
while((c=getchar()) != EOF)
if(iscntrl(c) || c == ' ')
{
/* non-graphic or blank character */
pos = inc(pos,OCTLEN);
printf("\\%03o",c);
/* newline character */
if(c == '\n')
pos = 0;
putchar('\n');
}
else
{
/* graphic character */
pos = inc(pos,1);
putchar(c);
}
return 0;
}
/* inc : increment position counter for output */
int inc(int pos,int n)
{
if(pos + n < MAXLINE)
return pos + n;
else
{
putchar('\n');
return n;
}
}