include: fix some typos (#825)

include/re_atomic.h

@@ -1077,7 +1077,7 @@ static __forceinline unsigned __int64 _re_atomic_fetch_and(
 /**
  * @def re_atomic_rlx_sub(_a, _v)
  *
- * Replace value from an atomic object with substraction and relaxed order
+ * Replace value from an atomic object with subtraction and relaxed order
  *
  * @param _a  pointer to the atomic object
  * @param _v  value to subtract
@@ -1129,7 +1129,7 @@ static __forceinline unsigned __int64 _re_atomic_fetch_and(
 /**
  * @def re_atomic_acq_sub(_a, _v)
  *
- * Replace value from an atomic object with substraction and acquire-release
+ * Replace value from an atomic object with subtraction and acquire-release
  * order
  *
  * @param _a  pointer to the atomic object
@@ -1183,11 +1183,11 @@ static __forceinline unsigned __int64 _re_atomic_fetch_and(
 /**
  * @def re_atomic_seq_sub(_a, _v)
  *
- * Replace value from an atomic object with substraction and
+ * Replace value from an atomic object with subtraction and
  * sequentially-consistent order
  *
  * @param _a  pointer to the atomic object
- * @param _v  value to substract
+ * @param _v  value to subtract
  *
  * @return value held previously by the atomic variable
  */

include/re_dns.h

@@ -141,7 +141,7 @@ struct hash;
  * @param err   0 if success, otherwise errorcode
  * @param hdr   DNS Header
  * @param ansl  List of Answer records
- * @param authl List of Authoritive records
+ * @param authl List of Authoritative records
  * @param addl  List of Additional records
  * @param arg   Handler argument
  */

include/re_fmt.h

@@ -77,7 +77,7 @@ typedef int(re_vprintf_h)(const char *p, size_t size, void *arg);
 /** Defines a print backend */
 struct re_printf {
 	re_vprintf_h *vph; /**< Print handler   */
-	void *arg;         /**< Handler agument */
+	void *arg;         /**< Handler argument */
 };
 
 /**

include/re_thread.h

@@ -237,7 +237,7 @@ int mtx_lock(mtx_t *mtx);
  *
  * @param mtx   Pointer to the mutex
  *
- * @return thrd_success on success, thrd_busy if alread locked,
+ * @return thrd_success on success, thrd_busy if already locked,
  * otherwise thrd_error
  */
 int mtx_trylock(mtx_t *mtx);