c_graphene_vec4_init_from_vec3

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_vec4_t* function(graphene_vec4_t* v, graphene_vec3_t* src, float w) c_graphene_vec4_init_from_vec3;

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