fix wide scanf's handling of input failure on %c, and simplify %[
[musl] / src / ldso /
drwxr-xr-x   ..
drwxr-xr-x - arm
-rw-r--r-- 132 dlsym.c
-rw-r--r-- 18631 dynlink.c
drwxr-xr-x - i386
-rw-r--r-- 105 start.c
drwxr-xr-x - x86_64