str: fix tests on unsigned chars, and !HAVE_ISBLANK.
[ccan] / ccan / str /
drwxr-xr-x   ..
lrwxrwxrwx 23 LICENSE -> ../../licenses/LGPL-2.1
-rw-r--r-- 1362 _info
-rw-r--r-- 1502 debug.c
-rw-r--r-- 226 str.c
-rw-r--r-- 5052 str.h
-rw-r--r-- 717 str_debug.h
drwxr-xr-x - test