- Add the C99 'restrict' qualifier using the '__restrict' macro to

function prototype and definition of strptime(3).
 - Update the manual page.

include/time.h

@@ -143,7 +143,8 @@ struct tm *localtime_r(const time_t *, struct tm *);
 #endif
 
 #if __XSI_VISIBLE
-char *strptime(const char *, const char *, struct tm *);
+char *strptime(const char *__restrict, const char *__restrict,
+    struct tm *__restrict);
 #endif
 
 #if __BSD_VISIBLE

lib/libc/stdtime/strptime.3

@@ -36,7 +36,7 @@
 .Sh SYNOPSIS
 .In time.h
 .Ft char *
-.Fn strptime "const char *buf" "const char *format" "struct tm *timeptr"
+.Fn strptime "const char *restrict buf" "const char *restrict format" "struct tm *restrict timeptr"
 .Sh DESCRIPTION
 The
 .Fn strptime

lib/libc/stdtime/strptime.c

@@ -517,7 +517,8 @@ _strptime(const char *buf, const char *fmt, struct tm *tm)
 
 
 char *
-strptime(const char *buf, const char *fmt, struct tm *tm)
+strptime(const char *__restrict buf, const char *__restrict fmt,
+    struct tm *__restrict tm)
 {
 	char *ret;