Core: added support for writing to stdout.

src/core/ngx_log.h

diff --git a/src/core/ngx_log.h b/src/core/ngx_log.h
index b9b10a1..618d3ad 100644
--- a/src/core/ngx_log.h
+++ b/src/core/ngx_log.h
@@ -255,6 +255,13 @@
 }
 
 
+static ngx_inline void
+ngx_write_stdout(char *text)
+{
+    (void) ngx_write_fd(ngx_stdout, text, ngx_strlen(text));
+}
+
+
 extern ngx_module_t  ngx_errlog_module;
 extern ngx_uint_t    ngx_use_stderr;
 

src/os/unix/ngx_files.h

diff --git a/src/os/unix/ngx_files.h b/src/os/unix/ngx_files.h
index b6990bc..6081b00 100644
--- a/src/os/unix/ngx_files.h
+++ b/src/os/unix/ngx_files.h
@@ -368,6 +368,7 @@
 #endif
 
 
+#define ngx_stdout               STDOUT_FILENO
 #define ngx_stderr               STDERR_FILENO
 #define ngx_set_stderr(fd)       dup2(fd, STDERR_FILENO)
 #define ngx_set_stderr_n         "dup2(STDERR_FILENO)"

src/os/win32/ngx_files.h

diff --git a/src/os/win32/ngx_files.h b/src/os/win32/ngx_files.h
index aafb5d0..895daea 100644
--- a/src/os/win32/ngx_files.h
+++ b/src/os/win32/ngx_files.h
@@ -264,6 +264,7 @@
 size_t ngx_fs_bsize(u_char *name);
 
 
+#define ngx_stdout               GetStdHandle(STD_OUTPUT_HANDLE)
 #define ngx_stderr               GetStdHandle(STD_ERROR_HANDLE)
 #define ngx_set_stderr(fd)       SetStdHandle(STD_ERROR_HANDLE, fd)
 #define ngx_set_stderr_n         "SetStdHandle(STD_ERROR_HANDLE)"