misc: UNIX => Unix #4022

Although UNIX is a registered trademark of The Open Group, it doesn't
really matter whether we refer to these systems as UNIX, Unix, or
Unix-like. So, for consistency, refer to them collectively as Unix.

Related:
http://www.greens.org/about/unix.html
http://www.unixica.com/html/unixunix.html

3 files changed, 4 insertions, 4 deletions

diff --git a/src/nvim/os/dl.c b/src/nvim/os/dl.c
index b4a35e203e..fef02cc784 100644
--- a/src/nvim/os/dl.c
+++ b/src/nvim/os/dl.c
@@ -63,7 +63,7 @@ bool os_libcall(const char *libname,
 
   // call the library and save the result
   // TODO(aktau): catch signals and use jmp (if available) to handle
-  // exceptions. jmp's on UNIX seem to interact trickily with signals as
+  // exceptions. jmp's on Unix seem to interact trickily with signals as
   // well. So for now we only support those libraries that are well-behaved.
   if (str_out) {
     str_str_fn sfn = (str_str_fn) fn;
diff --git a/src/nvim/os/env.c b/src/nvim/os/env.c
index 734f6f9e38..c1804067e9 100644
--- a/src/nvim/os/env.c
+++ b/src/nvim/os/env.c
@@ -290,7 +290,7 @@ void expand_env_esc(char_u *srcp, char_u *dst, int dstlen, bool esc, bool one,
         }
 
 #if defined(UNIX)
-        // Verify that we have found the end of a UNIX ${VAR} style variable
+        // Verify that we have found the end of a Unix ${VAR} style variable
         if (src[1] == '{' && *tail != '}') {
           var = NULL;
         } else {
diff --git a/src/nvim/os/time.c b/src/nvim/os/time.c
index ba1dcf631a..188f0802c9 100644
--- a/src/nvim/os/time.c
+++ b/src/nvim/os/time.c
@@ -93,7 +93,7 @@ struct tm *os_localtime_r(const time_t *restrict clock,
 #endif
 }
 
-/// Obtains the current UNIX timestamp and adjusts it to local time
+/// Obtains the current Unix timestamp and adjusts it to local time.
 ///
 /// @param result Pointer to a 'struct tm' where the result should be placed
 /// @return A pointer to a 'struct tm' in the current time zone (the 'result'
@@ -104,7 +104,7 @@ struct tm *os_get_localtime(struct tm *result) FUNC_ATTR_NONNULL_ALL
   return os_localtime_r(&rawtime, result);
 }
 
-/// Obtains the current UNIX timestamp
+/// Obtains the current Unix timestamp.
 ///
 /// @return Seconds since epoch.
 Timestamp os_time(void)