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Diffstat (limited to 'libiberty/functions.texi')
| -rw-r--r-- | libiberty/functions.texi | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/libiberty/functions.texi b/libiberty/functions.texi index af7760d..b518243 100644 --- a/libiberty/functions.texi +++ b/libiberty/functions.texi @@ -317,6 +317,34 @@ between calls to @code{getpwd}. @end deftypefn +@c hex.c:25 +@deftypefn Extension void hex_init (void) + +Initializes the array mapping the current character set to +corresponding hex values. This function must be called before any +call to @code{hex_p} or @code{hex_value}. + +@end deftypefn + +@c hex.c:33 +@deftypefn Extension int hex_p (int @var{c}) + +Evaluates to non-zero if the given character is a valid hex character, +or zero if it is not. Note that the value you pass will be cast to +@code{unsigned char} within the macro. + +@end deftypefn + +@c hex.c:41 +@deftypefn Extension int hex_value (int @var{c}) + +Returns the numeric equivalent of the given character when interpreted +as a hexidecimal digit. The result is undefined if you pass an +invalid hex digit. Note that the value you pass will be cast to +@code{unsigned char} within the macro. + +@end deftypefn + @c index.c:5 @deftypefn Supplemental char* index (char *@var{s}, int @var{c}) |