tell in doc in which version things were introduced

Signed-off-by: Mattias Andrée <maandree@operamail.com>

4 files changed, 8 insertions, 0 deletions

diff --git a/src/string/strerror/strerror.c b/src/string/strerror/strerror.c
index 315e40d..75af8bd 100644
--- a/src/string/strerror/strerror.c
+++ b/src/string/strerror/strerror.c
@@ -36,6 +36,8 @@
  * 
  * @param   errnum  The error code.
  * @return          A description of the error.
+ * 
+ * @since  Always.
  */
 char* strerror(int errnum)
 {
diff --git a/src/string/strerror/strerror_l.c b/src/string/strerror/strerror_l.c
index 838040f..0493d9f 100644
--- a/src/string/strerror/strerror_l.c
+++ b/src/string/strerror/strerror_l.c
@@ -34,6 +34,8 @@
  * @param   locale  The locale, must be a valid locale and not
  *                  `LC_GLOBAL_LOCALE`, lest the behaviour is undefined.
  * @return          A description of the error.
+ * 
+ * @since  Always.
  */
 char* strerror_l(int errnum, locale_t locale)
 {
diff --git a/src/string/strerror/strerror_r_gnu.c b/src/string/strerror/strerror_r_gnu.c
index 3e8bfd4..539866a 100644
--- a/src/string/strerror/strerror_r_gnu.c
+++ b/src/string/strerror/strerror_r_gnu.c
@@ -36,6 +36,8 @@
  *                  is set to indicate the error.
  * 
  * @throws  ERANGE  `buf` was too small to store the description.
+ * 
+ * @since  Always.
  */
 char* __gnu_strerror_r(int errnum, char* buf, size_t buflen)
 {
diff --git a/src/string/strerror/strerror_r_xsi.c b/src/string/strerror/strerror_r_xsi.c
index 70c3bc8..028226e 100644
--- a/src/string/strerror/strerror_r_xsi.c
+++ b/src/string/strerror/strerror_r_xsi.c
@@ -35,6 +35,8 @@
  * @return          Zero on success, value for `errno` on error
  * 
  * @throws  ERANGE  `buf` was too small to store the description.
+ * 
+ * @since  Always.
  */
 int __xsi_strerror_r(int errnum, char* buf, size_t buflen)
 {