# K & R C Exercise 1-18

K and R C, Solution to Exercise 1-18:
Remove trailing blanks and tabs from each line of input, and to delete entirely blank lines. K and R C Programs Exercises provides the solution to all the exercises in the C Programming Language, second addition, by Brian W.Keringhan and Dennis M.Ritchie(Prentice Hall,1988). You can learn and solve K&R C Programs Exercise. Read more about C Programming Language .

`/************************************************************ You can use all the programs on  www.c-program-example.com* for personal and learning purposes. For permissions to use the* programs for commercial purposes,* contact [email protected]* To find more C programs, do visit www.c-program-example.com* and browse!* *                      Happy Coding***********************************************************/#include "stdio.h"#define MAXLINE 1000int get_lines(char line[], int maxline);int char remove(char str[]);main(){ char line[MAXINLINE];/* current input line */ while((get_lines(line,MAXINLINE))>0)  if(remove(line)> 0)   printf("%s", line); return 0;}/* remove trailing blanks and tabs from character string str */int remove(char str[]){ int i=0; while(str[i] !='n')  ++i; --i; while(i>=0 && (str[i]==' ' || str[i]=='t'))  --i; if(i>=0) {  ++i;  s[i]='n';  ++i;  s[i]=''; } return i;}/* getline: read a line into str, return length */int get_lines(char str[], int line){ int c, i, j; for(i = 0, j = 0; (c = getchar())!=EOF && c != 'n'; ++i) {  if(i < line - 1)  {   str[j++] = c;  } } if(c == 'n') {  if(i <= line - 1)  {   str[j++] = c;  }  ++i; } str[j] = ''; return i;}`
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