diff options
Diffstat (limited to 'libc/manual/string.texi')
| -rw-r--r-- | libc/manual/string.texi | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/libc/manual/string.texi b/libc/manual/string.texi index f7d4ebea1..abfb0798b 100644 --- a/libc/manual/string.texi +++ b/libc/manual/string.texi @@ -1647,9 +1647,12 @@ strchr ("hello, world", '?') The terminating null character is considered to be part of the string, so you can use this function get a pointer to the end of a string by -specifying a null character as the value of the @var{c} argument. It -would be better (but less portable) to use @code{strchrnul} in this -case, though. +specifying a null character as the value of the @var{c} argument. + +When @code{strchr} returns a null pointer, it does not let you know +the position of the terminating null character it has found. If you +need that information, it is better (but less portable) to use +@code{strchrnul} than to search for it a second time. @end deftypefun @comment wchar.h |