in pathconf, -1, not 0, means unsupported.. syncio presumably works, too.
[musl] / src / ldso / i386 / dlsym.s
1 .text
2 .global dlsym
3 .type dlsym,@function
4 dlsym:
5         push (%esp)
6         push 12(%esp)
7         push 12(%esp)
8         call __dlsym
9         add $12,%esp
10         ret