[fusl] clang-format fusl

fusl/src/network/if_indextoname.c

 #define _GNU_SOURCE
 #include <net/if.h>
 #include <sys/socket.h>
 #include <sys/ioctl.h>
 #include <string.h>
 #include "syscall.h"
 
-char *if_indextoname(unsigned index, char *name)
-{
-        struct ifreq ifr;
-        int fd, r;
+char* if_indextoname(unsigned index, char* name) {
+  struct ifreq ifr;
+  int fd, r;
 
-        if ((fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0)) < 0) return 0;
-        ifr.ifr_ifindex = index;
-        r = ioctl(fd, SIOCGIFNAME, &ifr);
-        __syscall(SYS_close, fd);
-        return r < 0 ? 0 : strncpy(name, ifr.ifr_name, IF_NAMESIZE);
+  if ((fd = socket(AF_UNIX, SOCK_DGRAM | SOCK_CLOEXEC, 0)) < 0)
+    return 0;
+  ifr.ifr_ifindex = index;
+  r = ioctl(fd, SIOCGIFNAME, &ifr);
+  __syscall(SYS_close, fd);
+  return r < 0 ? 0 : strncpy(name, ifr.ifr_name, IF_NAMESIZE);
 }