5 files changed, 6 insertions, 6 deletions
diff --git a/src/os/unix/ngx_aio.h b/src/os/unix/ngx_aio.h
index a357ff524..0bbb7ec9b 100644
--- a/src/os/unix/ngx_aio.h
+++ b/src/os/unix/ngx_aio.h
@@ -5,9 +5,9 @@
 #include <ngx_core.h>
 
 
-ssize_t ngx_aio_read(ngx_connection_t *c, char *buf, size_t size);
+ssize_t ngx_aio_read(ngx_connection_t *c, u_char *buf, size_t size);
 ssize_t ngx_aio_read_chain(ngx_connection_t *c, ngx_chain_t *cl);
-ssize_t ngx_aio_write(ngx_connection_t *c, char *buf, size_t size);
+ssize_t ngx_aio_write(ngx_connection_t *c, u_char *buf, size_t size);
 ngx_chain_t *ngx_aio_write_chain(ngx_connection_t *c, ngx_chain_t *in);
 
 
diff --git a/src/os/unix/ngx_aio_read.c b/src/os/unix/ngx_aio_read.c
index 84301886a..6c0c40084 100644
--- a/src/os/unix/ngx_aio_read.c
+++ b/src/os/unix/ngx_aio_read.c
@@ -17,7 +17,7 @@
  *                               timeout, aio_cancel(), aio_error()
  */
 
-ssize_t ngx_aio_read(ngx_connection_t *c, char *buf, size_t size)
+ssize_t ngx_aio_read(ngx_connection_t *c, u_char *buf, size_t size)
 {
     int           n;
     ngx_event_t  *rev;
diff --git a/src/os/unix/ngx_aio_read_chain.c b/src/os/unix/ngx_aio_read_chain.c
index 8fc8870dd..3a56e8613 100644
--- a/src/os/unix/ngx_aio_read_chain.c
+++ b/src/os/unix/ngx_aio_read_chain.c
@@ -8,7 +8,7 @@
 ssize_t ngx_aio_read_chain(ngx_connection_t *c, ngx_chain_t *cl)
 {
     int           n;
-    char         *buf, *prev;
+    u_char       *buf, *prev;
     size_t        size, total;
     ngx_err_t     err;
 
diff --git a/src/os/unix/ngx_aio_write.c b/src/os/unix/ngx_aio_write.c
index 113196165..319af1261 100644
--- a/src/os/unix/ngx_aio_write.c
+++ b/src/os/unix/ngx_aio_write.c
@@ -17,7 +17,7 @@
  *                               timeout, aio_cancel(), aio_error()
  */
 
-ssize_t ngx_aio_write(ngx_connection_t *c, char *buf, size_t size)
+ssize_t ngx_aio_write(ngx_connection_t *c, u_char *buf, size_t size)
 {
     int           n;
     ngx_event_t  *wev;
diff --git a/src/os/unix/ngx_aio_write_chain.c b/src/os/unix/ngx_aio_write_chain.c
index c8108f3e0..f5e125e4f 100644
--- a/src/os/unix/ngx_aio_write_chain.c
+++ b/src/os/unix/ngx_aio_write_chain.c
@@ -8,7 +8,7 @@
 ngx_chain_t *ngx_aio_write_chain(ngx_connection_t *c, ngx_chain_t *in)
 {
     int           n;
-    char         *buf, *prev;
+    u_char       *buf, *prev;
     off_t         sent;
     size_t        size;
     ngx_err_t     err;