Feb 7, 2012

K & R C Programs Exercise 7-8.

K and R C, Solution to Exercise 7-8:
K and R C Programs Exercises provides the solution to all the exercises in the C Programming Language (2nd Edition). You can learn and solve K&R C Programs Exercise.
C Program to print a set of files, starting each new one on a new page, with a title and running page for each file Read more about C Programming Language .

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#define MAXBOT 3
#define MAXHDR 5
#define MAXLINE 100
#define MAXPAGE 66

/*print: print files - each new one on a new page  */
main(int argc, char *argv[])

 FILE *fp;
 void fileprint(FILE *fp, char *fname);

 if(argc == 1)
  fileprint(stdin," ");
  if((fp = fopen(*++argv,"r")) == NULL) {
   fprintf(stderr,"find:can't open %s\n",*argv);
  } else {

   fileprint(fp, *argv);
 return 0;

//fileprint: print file name
void fileprint(FILE *fp, char *fname)
 int lineno, pageno = 1;
 char line[MAXLINE];
 int heading(char *fname, int pageno);
 lineno = heading(fname, pageno++);
 while(fgets(line, MAXLINE, fp) != NULL) {
  if(lineno == 1) {
   lineno = heading(fname, pageno++);
  fputs(line, stdout);
  if(++lineno > MAXPAGE - MAXBOT)
   lineno = 1;

//heading: put heading and enough blank lines
int heading(char *fname, int pageno)
 int ln = 3;
 fprintf(stdout,"%s page %d\n", fname, pageno);
 while(ln++ < MAXHDR)
 return ln;
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