c_graphene_quaternion_init_from_vec4

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
__gshared extern (C)
graphene_quaternion_t* function(graphene_quaternion_t* q, graphene_vec4_t* src) c_graphene_quaternion_init_from_vec4;

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