[src/trunk]: src/usr.bin/ul Make all the global variables and functions static.

[abhinav <abhinav%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/ce6abaeac94c
branches:  trunk
changeset: 816217:ce6abaeac94c
user:      abhinav <abhinav%NetBSD.org@localhost>
date:      Thu Jun 23 03:58:13 2016 +0000

description:
Make all the global variables and functions static.
While there, remove unused variables and function prototypes.
Ok from christos

diffstat:

 usr.bin/ul/ul.c |  61 ++++++++++++++++++++++++++------------------------------
 1 files changed, 28 insertions(+), 33 deletions(-)

diffs (159 lines):

diff -r 1e2078abe04f -r ce6abaeac94c usr.bin/ul/ul.c
--- a/usr.bin/ul/ul.c   Wed Jun 22 20:12:59 2016 +0000
+++ b/usr.bin/ul/ul.c   Thu Jun 23 03:58:13 2016 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: ul.c,v 1.18 2016/06/13 14:58:57 abhinav Exp $  */
+/*     $NetBSD: ul.c,v 1.19 2016/06/23 03:58:13 abhinav Exp $  */
 
 /*
  * Copyright (c) 1980, 1993
@@ -39,7 +39,7 @@
 #if 0
 static char sccsid[] = "@(#)ul.c       8.1 (Berkeley) 6/6/93";
 #endif
-__RCSID("$NetBSD: ul.c,v 1.18 2016/06/13 14:58:57 abhinav Exp $");
+__RCSID("$NetBSD: ul.c,v 1.19 2016/06/23 03:58:13 abhinav Exp $");
 #endif /* not lint */
 
 #include <err.h>
@@ -65,34 +65,29 @@
 #define        UNDERL  010     /* Ul */
 #define        BOLD    020     /* Bold */
 
-struct tinfo *info;
-int    must_overstrike;
-const char *CURS_UP, *CURS_RIGHT, *CURS_LEFT,
-       *ENTER_STANDOUT, *EXIT_STANDOUT, *ENTER_UNDERLINE, *EXIT_UNDERLINE,
-       *ENTER_DIM, *ENTER_BOLD, *ENTER_REVERSE, *UNDER_CHAR, *EXIT_ATTRIBUTES;
+static int     must_overstrike;
 
 struct CHAR    {
        char    c_mode;
        char    c_char;
 } ;
 
-size_t col, maxcol;
-int    mode;
-int    halfpos;
-int    upln;
-int    iflag;
+static size_t col, maxcol;
+static int     mode;
+static int     halfpos;
+static int     upln;
+static int     iflag;
 
-void filter(FILE *);
-void flushln(struct CHAR *, size_t);
-void fwd(struct CHAR *, size_t);
-void iattr(struct CHAR *);
-void initbuf(struct CHAR *, size_t);
-void initcap(void);
-void outc(int);
-int outchar(int);
-void overstrike(struct CHAR *);
-void reverse(struct CHAR *, size_t);
-void setulmode(int);
+static void filter(FILE *);
+static void flushln(struct CHAR *, size_t);
+static void fwd(struct CHAR *, size_t);
+static void iattr(struct CHAR *);
+static void initbuf(struct CHAR *, size_t);
+static void outc(int);
+static int outchar(int);
+static void overstrike(struct CHAR *);
+static void reverse(struct CHAR *, size_t);
+static void setulmode(int);
 static void alloc_buf(struct CHAR **, size_t *);
 static void set_mode(void);
 
@@ -147,7 +142,7 @@
        exit(0);
 }
 
-void
+static void
 filter(FILE *f)
 {
        int c;
@@ -270,7 +265,7 @@
        free(obuf);
 }
 
-void
+static void
 flushln(struct CHAR *obuf, size_t obuf_size)
 {
        int lastmode;
@@ -312,7 +307,7 @@
  * For terminals that can overstrike, overstrike underlines and bolds.
  * We don't do anything with halfline ups and downs, or Greek.
  */
-void
+static void
 overstrike(struct CHAR *obuf)
 {
        size_t i;
@@ -350,7 +345,7 @@
        }
 }
 
-void
+static void
 iattr(struct CHAR *obuf)
 {
        size_t i;
@@ -374,7 +369,7 @@
        putchar('\n');
 }
 
-void
+static void
 initbuf(struct CHAR *obuf, size_t obuf_size)
 {
 
@@ -390,7 +385,7 @@
        mode &= ALTSET;
 }
 
-void
+static void
 fwd(struct CHAR *obuf, size_t obuf_size)
 {
        int oldcol, oldmax;
@@ -402,7 +397,7 @@
        maxcol = oldmax;
 }
 
-void
+static void
 reverse(struct CHAR *obuf, size_t obuf_size)
 {
        upln++;
@@ -412,7 +407,7 @@
        upln++;
 }
 
-int
+static int
 outchar(int c)
 {
        return (putchar(c & 0177));
@@ -420,7 +415,7 @@
 
 static int curmode = 0;
 
-void
+static void
 outc(int c)
 {
        putchar(c);
@@ -433,7 +428,7 @@
        }
 }
 
-void
+static void
 setulmode(int newmode)
 {
        if (!iflag) {