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Diffstat (limited to 'manual/search.texi')
| -rw-r--r-- | manual/search.texi | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/manual/search.texi b/manual/search.texi index cb08c49409..d38e23a620 100644 --- a/manual/search.texi +++ b/manual/search.texi @@ -156,6 +156,14 @@ that matches, the one that is returned is unspecified. This function derives its name from the fact that it is implemented using the binary search algorithm. + +In ISO C23 and later, this function is qualifier-generic: +that is, it is also implemented as a function-like macro, +and when the macro is used and @var{array} has a type +that is a pointer to a @code{const}-qualified object type, +@code{bsearch} returns @code{const void *}. +As an obsolescent feature, if the macro is suppressed +the external function returns @code{void *} regardless. @end deftypefun @node Array Sort Function |