For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:ahmedmoselhi2/openSUSE_Tumbleweed/home:ahmedmoselhi2.repo
zypper refresh
zypper install valgrind-client-headers-source
For 16.0 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:ahmedmoselhi2/16.0/home:ahmedmoselhi2.repo
zypper refresh
zypper install valgrind-client-headers-source
For 15.6 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:ahmedmoselhi2/15.6/home:ahmedmoselhi2.repo
zypper refresh
zypper install valgrind-client-headers-source