syscalls: Rename 'network-interfaces' and 'all-network-interfaces'.

* guix/build/syscalls.scm (network-interfaces): Rename to...
  (network-interface-names): ... this.
  (all-network-interfaces): Rename to...
  (all-network-interface-names): ... this.
* gnu/services/networking.scm (dhcp-client-service): Adjust accordingly.
* tests/syscalls.scm ("all-network-interfaces"): Rename to...
  ("all-network-interface-names"): ... this, and adjust accordingly.
  ("network-interfaces"): Rename to...
  ("network-interface-names"): ... this, and adjust accordingly.

1 files changed, 5 insertions, 5 deletions

diff --git a/tests/syscalls.scm b/tests/syscalls.scm
index 6b614a52117..3b71cd7b1c0 100644
--- a/tests/syscalls.scm
+++ b/tests/syscalls.scm
@@ -152,15 +152,15 @@
                          (status:exit-val status))))
                (eq? #t result))))))))
 
-(test-assert "all-network-interfaces"
-  (match (all-network-interfaces)
+(test-assert "all-network-interface-names"
+  (match (all-network-interface-names)
     (((? string? names) ..1)
      (member "lo" names))))
 
-(test-assert "network-interfaces"
-  (match (network-interfaces)
+(test-assert "network-interface-names"
+  (match (network-interface-names)
     (((? string? names) ..1)
-     (lset<= string=? names (all-network-interfaces)))))
+     (lset<= string=? names (all-network-interface-names)))))
 
 (test-assert "network-interface-flags"
   (let* ((sock  (socket AF_INET SOCK_STREAM 0))