[hackers] [sic] util: fix a shadowed variable name `srv` || Hiltjo Posthuma

[git]

commit b188c784329baf8479f30f06c61c12226d797115
Author:     Hiltjo Posthuma <hil...@codemadness.org>
AuthorDate: Thu May 6 01:14:21 2021 +0200
Commit:     Hiltjo Posthuma <hil...@codemadness.org>
CommitDate: Thu May 6 01:14:21 2021 +0200

    util: fix a shadowed variable name `srv`

diff --git a/util.c b/util.c
index 0869cca..c2982fd 100644
--- a/util.c
+++ b/util.c
@@ -19,7 +19,7 @@ eprint(const char *fmt, ...) {
 static int
 dial(char *host, char *port) {
        static struct addrinfo hints;
-       int srv;
+       int fd;
        struct addrinfo *res, *r;
 
        memset(&hints, 0, sizeof hints);
@@ -28,16 +28,16 @@ dial(char *host, char *port) {
        if(getaddrinfo(host, port, &hints, &res) != 0)
                eprint("error: cannot resolve hostname '%s':", host);
        for(r = res; r; r = r->ai_next) {
-               if((srv = socket(r->ai_family, r->ai_socktype, r->ai_protocol)) 
== -1)
+               if((fd = socket(r->ai_family, r->ai_socktype, r->ai_protocol)) 
== -1)
                        continue;
-               if(connect(srv, r->ai_addr, r->ai_addrlen) == 0)
+               if(connect(fd, r->ai_addr, r->ai_addrlen) == 0)
                        break;
-               close(srv);
+               close(fd);
        }
        freeaddrinfo(res);
        if(!r)
                eprint("error: cannot connect to host '%s'\n", host);
-       return srv;
+       return fd;
 }
 
 static char *