add getsubopt, improve override macros

[libcext.git] / README.md

diff --git a/README.md b/README.md
index 46ea40c2336230ebc9219165f636fda5a8a6470e..a506381c9a06eb3e0c9e0e73d1bd014082a641ff 100644 (file)
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-A (WIP) collection of portable, (mostly) strict C99, single-header implementations of common libc extensions.
+A (WIP) collection of portable, strict C99, single-header implementations of common libc extensions.

 
 ### How to
 
 
 ### How to
 


@@ -21,21 +21,34 @@ By default, the header won't have any stdlib includes, change that with:
 #define <EXT-FUNC-NAME>_INCLUDE_LIBC
 ```
 
 #define <EXT-FUNC-NAME>_INCLUDE_LIBC
 ```
 

-Or disable function override with:
+Or disable function, type and variable override with:

 
 ```
 #define HAVE_<EXT-FUNC-NAME>
 ```
 
 
 ```
 #define HAVE_<EXT-FUNC-NAME>
 ```
 

-## Specifics
+### Specifics
+
+---
+
+### asprintf
+
+includes `vasprintf()` and `asprintf()`
+
+---

 
 ### getopt\_long
 
 
 ### getopt\_long
 

+includes `getopt()`, `getsubopt()`, `getopt_long()` and `getopt_long_only`
+

 `getopt_long.h` has additional macros related to argument
 `getopt_long.h` has additional macros related to argument

-permuting, defining those enables it (GNU behaviour):
+permuting, defining those enables it (GNU behaviour, will still be disabled with `$POSIXLY_CORRECT` set):

 
 ```
 #define GETOPT_PERMUTE_ARGS
 #define GETOPT_LONG_PERMUTE_ARGS
 #define GETOPT_LONG_ONLY_PERMUTE_ARGS
 ```
 
 ```
 #define GETOPT_PERMUTE_ARGS
 #define GETOPT_LONG_PERMUTE_ARGS
 #define GETOPT_LONG_ONLY_PERMUTE_ARGS
 ```

+
+---
+