tell in doc in which version things were introduced

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

3 files changed, 52 insertions, 0 deletions

diff --git a/src/unistd/exec.c b/src/unistd/exec.c
index 0b76259..c6e4fca 100644
--- a/src/unistd/exec.c
+++ b/src/unistd/exec.c
@@ -29,6 +29,8 @@
 
 /**
  * The current environment variables.
+ * 
+ * @since  Always.
  */
 extern char** environ;
 
@@ -44,6 +46,8 @@ extern char** environ;
  * @param   use_path    Whether $PATH may be used.
  * 
  * @throws              Any error specified for execve(2).
+ * 
+ * @since  Always.
  */
 static void vexec(const char* file, va_list argv, int fetch_envp, int use_path)
 {
@@ -82,6 +86,8 @@ static void vexec(const char* file, va_list argv, int fetch_envp, int use_path)
  *                set to describe the error.
  * 
  * @throws        Any error specified for execve(2).
+ * 
+ * @since  Always.
  */
 int execl(const char* path, ... /*, NULL */)
 {
@@ -112,6 +118,8 @@ int execl(const char* path, ... /*, NULL */)
  *                set to describe the error.
  * 
  * @throws        Any error specified for execve(2).
+ * 
+ * @since  Always.
  */
 int execlp(const char* file, ... /*, NULL */)
 {
@@ -142,6 +150,8 @@ int execlp(const char* file, ... /*, NULL */)
  *                set to describe the error.
  * 
  * @throws        Any error specified for execve(2).
+ * 
+ * @since  Always.
  */
 int execle(const char* path, ... /*, NULL, char* const envp[] */)
 {
@@ -178,6 +188,8 @@ int execle(const char* path, ... /*, NULL, char* const envp[] */)
  *                set to describe the error.
  * 
  * @throws        Any error specified for execve(2).
+ * 
+ * @since  Always.
  */
 int execlpe(const char* file, ... /*, NULL, char* const envp[] */)
 {
@@ -208,6 +220,8 @@ int execlpe(const char* file, ... /*, NULL, char* const envp[] */)
  *                set to describe the error.
  * 
  * @throws        Any error specified for execve(2).
+ * 
+ * @since  Always.
  */
 int execv(const char* path, char* const argv[])
 {
@@ -236,6 +250,8 @@ int execv(const char* path, char* const argv[])
  *                set to describe the error.
  * 
  * @throws        Any error specified for execve(2).
+ * 
+ * @since  Always.
  */
 int execvp(const char* file, char* const argv[])
 {
@@ -264,6 +280,8 @@ int execvp(const char* file, char* const argv[])
  *                set to describe the error.
  * 
  * @throws        Any error specified for execve(2).
+ * 
+ * @since  Always.
  */
 int execve(const char* path, char* const argv[], char* const envp[])
 {
@@ -300,6 +318,8 @@ int execve(const char* path, char* const argv[], char* const envp[])
  *                set to describe the error.
  * 
  * @throws        Any error specified for execve(2).
+ * 
+ * @since  Always.
  */
 int execvpe(const char* file, char* const argv[], char* const envp[])
 {
diff --git a/src/unistd/execat.c b/src/unistd/execat.c
index a7de5dd..68d9cfd 100644
--- a/src/unistd/execat.c
+++ b/src/unistd/execat.c
@@ -36,6 +36,8 @@ struct stat { int st_mode; };
 
 /**
  * The current environment variables.
+ * 
+ * @since  Always.
  */
 extern char** environ;
 
@@ -52,6 +54,8 @@ extern char** environ;
  * @param   use_path    Whether $PATH may be used.
  * 
  * @throws              Any error specified for execve(2).
+ * 
+ * @since  Always.
  */
 static void vexecat(int dirfd, const char* file, va_list argv, int fetch_envp, int use_path)
 {
@@ -107,6 +111,8 @@ static void vexecat(int dirfd, const char* file, va_list argv, int fetch_envp, i
  *                 set to describe the error.
  * 
  * @throws         Any error specified for execveat(2).
+ * 
+ * @since  Always.
  */
 int execlat(int dirfd, const char* path, ... /*, NULL, int flags */)
 {
@@ -152,6 +158,8 @@ int execlat(int dirfd, const char* path, ... /*, NULL, int flags */)
  *                 set to describe the error.
  * 
  * @throws         Any error specified for execveat(2).
+ * 
+ * @since  Always.
  */
 int execlpat(int dirfd, const char* file, ... /*, NULL, int flags */)
 {
@@ -197,6 +205,8 @@ int execlpat(int dirfd, const char* file, ... /*, NULL, int flags */)
  *                 set to describe the error.
  * 
  * @throws         Any error specified for execveat(2).
+ * 
+ * @since  Always.
  */
 int execleat(int dirfd, const char* path, ... /*, NULL, char* const[] envp, int flags */)
 {
@@ -246,6 +256,8 @@ int execleat(int dirfd, const char* path, ... /*, NULL, char* const[] envp, int
  *                 set to describe the error.
  * 
  * @throws         Any error specified for execveat(2).
+ * 
+ * @since  Always.
  */
 int execlpeat(int dirfd, const char* file, ... /*, NULL, char* const[] envp, int flags */)
 {
@@ -291,6 +303,8 @@ int execlpeat(int dirfd, const char* file, ... /*, NULL, char* const[] envp, int
  *                 set to describe the error.
  * 
  * @throws         Any error specified for execveat(2).
+ * 
+ * @since  Always.
  */
 int execvat(int dirfd, const char* path, char* const argv[], int flags)
 {
@@ -334,6 +348,8 @@ int execvat(int dirfd, const char* path, char* const argv[], int flags)
  *                 set to describe the error.
  * 
  * @throws         Any error specified for execveat(2).
+ * 
+ * @since  Always.
  */
 int execvpat(int dirfd, const char* file, char* const argv[], int flags)
 {
@@ -375,6 +391,8 @@ int execvpat(int dirfd, const char* file, char* const argv[], int flags)
  *                 set to describe the error.
  * 
  * @throws         Any error specified for execveat(2).
+ * 
+ * @since  Always.
  */
 int execveat(int dirfd, const char* path, char* const argv[], char* const envp[], int flags)
 {
@@ -451,6 +469,8 @@ int execveat(int dirfd, const char* path, char* const argv[], char* const envp[]
  *                 set to describe the error.
  * 
  * @throws         Any error specified for execveat(2).
+ * 
+ * @since  Always.
  */
 int execvpeat(int dirfd, const char* file, char* const argv[], char* const envp[], int flags)
 {
diff --git a/src/unistd/fexec.c b/src/unistd/fexec.c
index 7a8d4f5..5277373 100644
--- a/src/unistd/fexec.c
+++ b/src/unistd/fexec.c
@@ -25,6 +25,8 @@
 
 /**
  * The current environment variables.
+ * 
+ * @since  Always.
  */
 extern char** environ;
 
@@ -39,6 +41,8 @@ extern char** environ;
  * @param   fetch_envp  Whether `argv` includes `envp`.
  * 
  * @throws              Any error specified for execve(2).
+ * 
+ * @since  Always.
  */
 static void vfexec(int fd, va_list argv, int fetch_envp)
 {
@@ -79,6 +83,8 @@ static void vfexec(int fd, va_list argv, int fetch_envp)
  *               set to describe the error.
  * 
  * @throws       Any error specified for execve(2).
+ * 
+ * @since  Always.
  */
 int fexecl(int fd, ... /*, NULL */)
 {
@@ -111,6 +117,8 @@ int fexecl(int fd, ... /*, NULL */)
  *                set to describe the error.
  * 
  * @throws        Any error specified for execve(2).
+ * 
+ * @since  Always.
  */
 int fexecle(int fd, ... /*, NULL, char* const envp[] */)
 {
@@ -143,6 +151,8 @@ int fexecle(int fd, ... /*, NULL, char* const envp[] */)
  *                set to describe the error.
  * 
  * @throws        Any error specified for execve(2).
+ * 
+ * @since  Always.
  */
 int fexecv(int fd, char* const argv[])
 {
@@ -171,6 +181,8 @@ int fexecv(int fd, char* const argv[])
  *                set to describe the error.
  * 
  * @throws        Any error specified for execve(2).
+ * 
+ * @since  Always.
  */
 int fexecve(int fd, char* const argv[], char* const envp[])
 {