minor style fixes - sdhcp - simple dhcp client
 (HTM) git clone git://git.codemadness.org/sdhcp
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       ---
 (DIR) commit 2a32d2ca9330dbf0c660827daf2da3d3e657697d
 (DIR) parent 29ba9ee87072d80c968b56237b3b5e174ce40554
 (HTM) Author: Hiltjo Posthuma <hiltjo@codemadness.org>
       Date:   Mon, 27 Apr 2015 22:30:34 +0200
       
       minor style fixes
       
       Diffstat:
         M sdhcp.c                             |      35 +++++++++++++++++++-------------
       
       1 file changed, 21 insertions(+), 14 deletions(-)
       ---
 (DIR) diff --git a/sdhcp.c b/sdhcp.c
       @@ -1,20 +1,22 @@
       -#include <sys/socket.h>
        #include <sys/ioctl.h>
       +#include <sys/socket.h>
       +
        #include <netinet/in.h>
        #include <net/if.h>
        #include <net/route.h>
       -#include <signal.h>
       -#include <poll.h>
       +
        #include <errno.h>
        #include <fcntl.h>
       +#include <poll.h>
       +#include <signal.h>
        #include <stdio.h>
        #include <stdlib.h>
        #include <string.h>
        #include <time.h>
        #include <unistd.h>
        
       -#include "util.h"
        #include "arg.h"
       +#include "util.h"
        
        typedef struct bootp {
                unsigned char op      [1];
       @@ -428,19 +430,24 @@ Rebinding:
                }
        }
        
       -static void nop(int unused) {
       +static
       +void nop(int unused)
       +{
                (void) unused;
        }
        
       -static void cleanexit(int unused) {
       +static
       +void cleanexit(int unused)
       +{
                (void) unused;
                dhcpsend(DHCPrelease, Unicast);
                exit(EXIT_SUCCESS);
        }
        
        static void
       -usage(void) {
       -        eprintf("usage: sdhcp [-i] [-d] [-f] [-e program] [ifname] [clientid]\n");
       +usage(void)
       +{
       +        eprintf("usage: sdhcp [-d] [-e program] [-f] [-i] [ifname] [clientid]\n");
        }
        
        int
       @@ -452,18 +459,18 @@ main(int argc, char *argv[])
                int rnd;
        
                ARGBEGIN {
       +        case 'd': /* don't update DNS in /etc/resolv.conf */
       +                dflag = 0;
       +                break;
                case 'e': /* run program */
                        program = EARGF(usage());
                        break;
       -        case 'i': /* don't set ip */
       -                iflag = 0;
       -                break;
       -        case 'd': /* don't update DNS in/etc/resolv.conf */
       -                dflag = 0;
       -                break;
                case 'f': /* run in foreground */
                        fflag = 1;
                        break;
       +        case 'i': /* don't set ip */
       +                iflag = 0;
       +                break;
                default:
                        usage();
                        break;