Try adding this line into your function main ()
ent_create (STRING* filename, VECTOR* position, NULL)

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STRING* filename = the name and filetype of your character. ("New_Person.mdl") //use the ".

VECTOR* position says it self doesnt it? ( example vector(150, 0, 0) //places the entity at that position.

NULL, when you have made an animation, you should place the actions name into this.

Hope you understand that;) I'm new to this too, but I've gotten this far:P