g_provider_by_name
pp = g_provider_by_name(name);
ropp = g_provider_by_name(readprov);
pp = g_provider_by_name(readprov);
struct g_provider *g_provider_by_name(char const *arg);
pp = g_provider_by_name(p);
pp = g_provider_by_name(name);
pp = g_provider_by_name(pname);
g_provider_by_name(name) != NULL) {
pp = g_provider_by_name(name);