diff options
Diffstat (limited to 'lib/libc')
| -rw-r--r-- | lib/libc/string/memchr.3 | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/lib/libc/string/memchr.3 b/lib/libc/string/memchr.3 index f5d1fe5d5c7f..65617a117371 100644 --- a/lib/libc/string/memchr.3 +++ b/lib/libc/string/memchr.3 @@ -52,7 +52,10 @@ locates the first occurrence of (converted to an .Vt "unsigned char" ) in string -.Fa b . +.Fa b , +limited to at most +.Fa len +characters. .Pp The .Fn memrchr @@ -61,15 +64,18 @@ function behaves like except that it locates the last occurrence of .Fa c in string -.Fa b . +.Fa b , +limited to the first +.Fa len +characters. .Sh RETURN VALUES The .Fn memchr and .Fn memrchr -functions -return a pointer to the byte located, -or NULL if no such byte exists within +functions return a pointer to the byte located, or +.Dv NULL +if no such byte exists within .Fa len bytes. .Sh SEE ALSO |