REVIEWED: `FileExists()`, using macro

src/rcore.c

@@ -205,11 +205,13 @@
     #define GETCWD _getcwd          // NOTE: MSDN recommends not to use getcwd(), chdir()
     #define CHDIR _chdir
     #define MKDIR(dir) _mkdir(dir)
+    #define ACCESS(fn) _access(fn, 0)
 #else
     #include <unistd.h>             // Required for: getch(), chdir(), mkdir(), access()
     #define GETCWD getcwd
     #define CHDIR chdir
     #define MKDIR(dir) mkdir(dir, 0777)
+    #define ACCESS(fn) access(fn, F_OK)
 #endif
 
 //----------------------------------------------------------------------------------
@@ -1972,11 +1974,7 @@ bool FileExists(const char *fileName)
 {
     bool result = false;
 
-#if defined(_WIN32)
-    if (_access(fileName, 0) != -1) result = true;
-#else
-    if (access(fileName, F_OK) != -1) result = true;
-#endif
+    if (ACCESS(fileName) != -1) result = true;
 
     // NOTE: Alternatively, stat() can be used instead of access()
     //#include <sys/stat.h>