--- a/libiberty/functions.texi	Sun Aug 21 07:07:55 2011 +0900
+++ b/libiberty/functions.texi	Fri Oct 27 22:46:09 2017 +0900
@@ -84,7 +84,7 @@
 
 @end deftypefn
 
-@c argv.c:142
+@c argv.c:135
 @deftypefn Extension char** buildargv (char *@var{sp})
 
 Given a pointer to a string, parse the string extracting fields
@@ -95,7 +95,7 @@
 @code{NULL} element.
 
 All of the memory for the pointer array and copies of the string
-is obtained from @code{malloc}.  All of the memory can be returned to the
+is obtained from @code{xmalloc}.  All of the memory can be returned to the
 system with the single function call @code{freeargv}, which takes the
 returned result of @code{buildargv}, as it's argument.
 
@@ -125,7 +125,17 @@
 
 @end deftypefn
 
-@c choose-temp.c:46
+@c filename_cmp.c:201
+@deftypefn Extension int canonical_filename_eq (const char *@var{a}, const char *@var{b})
+
+Return non-zero if file names @var{a} and @var{b} are equivalent.
+This function compares the canonical versions of the filenames as returned by
+@code{lrealpath()}, so that so that different file names pointing to the same
+underlying file are treated as being identical.
+
+@end deftypefn
+
+@c choose-temp.c:45
 @deftypefn Extension char* choose_temp_base (void)
 
 Return a prefix for temporary file names or @code{NULL} if unable to
@@ -139,7 +149,7 @@
 @end deftypefn
 
 @c make-temp-file.c:96
-@deftypefn Replacement char* choose_tmpdir ()
+@deftypefn Replacement const char* choose_tmpdir ()
 
 Returns a pointer to a directory path suitable for creating temporary
 files in.
@@ -160,9 +170,16 @@
   @dots{}, @code{NULL})
 
 Concatenate zero or more of strings and return the result in freshly
-@code{xmalloc}ed memory.  Returns @code{NULL} if insufficient memory is
-available.  The argument list is terminated by the first @code{NULL}
-pointer encountered.  Pointers to empty strings are ignored.
+@code{xmalloc}ed memory.  The argument list is terminated by the first
+@code{NULL} pointer encountered.  Pointers to empty strings are ignored.
+
+@end deftypefn
+
+@c argv.c:470
+@deftypefn Extension int countargv (char * const *@var{argv})
+
+Return the number of elements in @var{argv}.
+Returns zero if @var{argv} is NULL.
 
 @end deftypefn
 
@@ -196,7 +213,7 @@
 @end deftypefn
 
 @c argv.c:52
-@deftypefn Extension char** dupargv (char **@var{vector})
+@deftypefn Extension char** dupargv (char * const *@var{vector})
 
 Duplicate an argument vector.  Simply scans through @var{vector},
 duplicating each argument until the terminating @code{NULL} is found.
@@ -224,7 +241,7 @@
 
 @end deftypefn
 
-@c argv.c:361
+@c argv.c:341
 @deftypefn Extension void expandargv (int *@var{argcp}, char ***@var{argvp})
 
 The @var{argcp} and @code{argvp} arguments are pointers to the usual
@@ -279,7 +296,7 @@
 
 @end deftypefn
 
-@c filename_cmp.c:32
+@c filename_cmp.c:37
 @deftypefn Extension int filename_cmp (const char *@var{s1}, const char *@var{s2})
 
 Return zero if the two file names @var{s1} and @var{s2} are equivalent.
@@ -296,7 +313,24 @@
 
 @end deftypefn
 
-@c filename_cmp.c:81
+@c filename_cmp.c:183
+@deftypefn Extension int filename_eq (const void *@var{s1}, const void *@var{s2})
+
+Return non-zero if file names @var{s1} and @var{s2} are equivalent.
+This function is for use with hashtab.c hash tables.
+
+@end deftypefn
+
+@c filename_cmp.c:152
+@deftypefn Extension hashval_t filename_hash (const void *@var{s})
+
+Return the hash value for file name @var{s} that will be compared
+using filename_cmp.
+This function is for use with hashtab.c hash tables.
+
+@end deftypefn
+
+@c filename_cmp.c:94
 @deftypefn Extension int filename_ncmp (const char *@var{s1}, const char *@var{s2}, size_t @var{n})
 
 Return zero if the two file names @var{s1} and @var{s2} are equivalent
@@ -376,7 +410,7 @@
 
 @end deftypefn
 
-@c argv.c:97
+@c argv.c:90
 @deftypefn Extension void freeargv (char **@var{vector})
 
 Free an argument vector that was built using @code{buildargv}.  Simply
@@ -503,7 +537,7 @@
 @end ftable
 @end defvr
 
-@c hashtab.c:336
+@c hashtab.c:328
 @deftypefn Supplemental htab_t htab_create_typed_alloc (size_t @var{size}, @
 htab_hash @var{hash_f}, htab_eq @var{eq_f}, htab_del @var{del_f}, @
 htab_alloc @var{alloc_tab_f}, htab_alloc @var{alloc_f}, @
@@ -1138,7 +1172,7 @@
 
 @end deftypefn
 
-@c concat.c:174
+@c concat.c:160
 @deftypefn Extension char* reconcat (char *@var{optr}, const char *@var{s1}, @
   @dots{}, @code{NULL})
 
@@ -1465,6 +1499,13 @@
 
 @end deftypefn
 
+@c stack-limit.c:28
+@deftypefn Extension void stack_limit_increase (unsigned long @var{pref})
+
+Attempt to increase stack size limit to @var{pref} bytes if possible.
+
+@end deftypefn
+
 @c stpcpy.c:23
 @deftypefn Supplemental char* stpcpy (char *@var{dst}, const char *@var{src})
 
@@ -1574,6 +1615,16 @@
 
 @end deftypefn
 
+@c strnlen.c:6
+@deftypefn Supplemental size_t strnlen (const char *@var{s}, size_t @var{maxlen})
+
+Returns the length of @var{s}, as with @code{strlen}, but never looks
+past the first @var{maxlen} characters in the string.  If there is no
+'\0' character in the first @var{maxlen} characters, returns
+@var{maxlen}.
+
+@end deftypefn
+
 @c strrchr.c:6
 @deftypefn Supplemental char* strrchr (const char *@var{s}, int @var{c})
 
@@ -1673,6 +1724,24 @@
 
 @end deftypefn
 
+@c strtoll.c:33
+@deftypefn Supplemental {long long int} strtoll (const char *@var{string}, @
+  char **@var{endptr}, int @var{base})
+@deftypefnx Supplemental {unsigned long long int} strtoul (@
+  const char *@var{string}, char **@var{endptr}, int @var{base})
+
+The @code{strtoll} function converts the string in @var{string} to a
+long long integer value according to the given @var{base}, which must be
+between 2 and 36 inclusive, or be the special value 0.  If @var{base}
+is 0, @code{strtoll} will look for the prefixes @code{0} and @code{0x}
+to indicate bases 8 and 16, respectively, else default to base 10.
+When the base is 16 (either explicitly or implicitly), a prefix of
+@code{0x} is allowed.  The handling of @var{endptr} is as that of
+@code{strtod} above.  The @code{strtoull} function is the same, except
+that the converted value is unsigned.
+
+@end deftypefn
+
 @c strsignal.c:502
 @deftypefn Extension int strtosigno (const char *@var{name})
 
@@ -1728,6 +1797,22 @@
 because filenames frequently hold indices/version numbers.
 @end deftypefun
 
+@c timeval-utils.c:43
+@deftypefn Extension void timeval_add (struct timeval *@var{a}, @
+  struct timeval *@var{b}, struct timeval *@var{result})
+
+Adds @var{a} to @var{b} and stores the result in @var{result}.
+
+@end deftypefn
+
+@c timeval-utils.c:67
+@deftypefn Extension void timeval_sub (struct timeval *@var{a}, @
+  struct timeval *@var{b}, struct timeval *@var{result})
+
+Subtracts @var{b} from @var{a} and stores the result in @var{result}.
+
+@end deftypefn
+
 @c tmpnam.c:3
 @deftypefn Supplemental char* tmpnam (char *@var{s})
 
@@ -1829,8 +1914,8 @@
 
 @end deftypefn
 
-@c argv.c:306
-@deftypefn Extension int writeargv (const char **@var{argv}, FILE *@var{file})
+@c argv.c:286
+@deftypefn Extension int writeargv (char * const *@var{argv}, FILE *@var{file})
 
 Write each member of ARGV, handling all necessary quoting, to the file
 named by FILE, separated by whitespace.  Return 0 on success, non-zero
@@ -1838,6 +1923,15 @@
 
 @end deftypefn
 
+@c xasprintf.c:31
+@deftypefn Replacement char* xasprintf (const char *@var{format}, ...)
+
+Print to allocated string without fail.  If @code{xasprintf} fails,
+this will print a message to @code{stderr} (using the name set by
+@code{xmalloc_set_program_name}, if any) and then call @code{xexit}.
+
+@end deftypefn
+
 @c xatexit.c:11
 @deftypefun int xatexit (void (*@var{fn}) (void))
 
@@ -1937,4 +2031,13 @@
 
 @end deftypefn
 
-
+@c xvasprintf.c:38
+@deftypefn Replacement char* xvasprintf (const char *@var{format}, va_list @var{args})
+
+Print to allocated string without fail.  If @code{xvasprintf} fails,
+this will print a message to @code{stderr} (using the name set by
+@code{xmalloc_set_program_name}, if any) and then call @code{xexit}.
+
+@end deftypefn
+
+