# 2.11BSD#431 - /usr/src/old/num.c

##### Functions

    main              X

##### Macros

    formfeed          X

       1: #if !defined(lint) && defined(DOSCCS)
       2: static char *sccsid = "@(#)num.c	4.2.1 (2.11BSD) 1997/7/29";
       3: #endif
       4:
       5: #include    <stdio.h>
       6: #define     formfeed 0xc
       7:
       8: /*
       9:  * number - a cat like program which prints a file with line
      10:  *	    numbers. Printing of numbers is suppressed on blank
      11:  *	    lines.
      12:  *
      13:  * Original Version by William Joy, June 1977
      14:  * Updated October 1979 by M. Kirk McKusick
      15:  * Updated to version 4.2 10/13/82
      16:  */
      17: main(ac, av)
      18:     int ac;
      19:     char *av[];
      20:     {
      21:     register int argc = ac;
      22:     register char **argv = av;
      23:     register int lino;
      24:     register char *lineptr;
      25:     register FILE *STDOUT = stdout;
      26:     register FILE *STDIN = stdin;
      27:     char line[512];
      28:     char stdobuf[BUFSIZ], stdibuf[BUFSIZ];
      29:
      30:     argv++;
      31:     argc--;
      32:     lino = 1;
      33:     setbuf(STDIN,stdibuf);
      34:     setbuf(STDOUT,stdobuf);
      35:     do
      36:         {
      37:         if (argc)
      38:             if (freopen(*argv++, "r", STDIN) == NULL)
      39:                 {
      40:                 perror(*--argv);
      41:                 exit(1);
      42:                 }
      43:         for(;;)
      44:             {
      45:             lineptr = line;
      46:             *lineptr = 0;
      47:             fscanf(STDIN,"%[^\n]",lineptr);
      48:             if (feof(STDIN))
      49:                 break;
      50:             if (*lineptr == formfeed)
      51:                 putc(*lineptr++,STDOUT);
      52:             if (!*lineptr)
      53:                 putc('\n',STDOUT);
      54:             else
      55:                 fprintf(STDOUT,"%6d  %s\n",lino,lineptr);
      56:             lino++;
      57:             getc(STDIN);
      58:             }
      59:         }
      60:         while (--argc > 0);
      61:     exit();
      62:     }

#### Defined functions

main defined in line 17; never used

#### Defined variables

sccsid defined in line 2; never used

#### Defined macros

formfeed defined in line 6; used 1 times

- in line 50

Last modified: 1997-07-30 Generated: 2016-12-26 | Generated by src2html V0.67 page hit count: 1262 |