use restrict everywhere it's required by c99 and/or posix 2008

[musl] / src / process / posix_spawnattr_getsigmask.c

#include <spawn.h>

int posix_spawnattr_getsigmask(const posix_spawnattr_t *restrict attr, sigset_t *restrict mask)
{
        *mask = attr->__mask;
        return 0;
}