Vala GLEW binding and EXTFramebufferObject binding

EXTFramebufferObject.vapi

/**
 * (GLenum => uint32, GLubyte => uint8, GLboolean => uchar, GLint => int32, GLuint => uint32, GLsizei => int32)
 */
[CCode (cprefix = "", lower_case_cprefix = "", cheader_filename="GL/glew.h")]
namespace EXTFramebufferObject {
	public uchar glIsRenderbufferEXT (uint32 renderbuffer);
	public void glBindRenderbufferEXT (uint32 target, uint32 renderbuffer);
	public void glDeleteRenderbuffersEXT (int32 n, uint32 *renderbuffers);
	public void glGenRenderbuffersEXT (int32 n, uint32 *renderbuffers);
	public void glRenderbufferStorageEXT (uint32 target, uint32 internalformat, int32 width, int32 height);
	public void glGetRenderbufferParameterivEXT (uint32 target, uint32 pname, int32 *params);
	public uchar glIsFramebufferEXT (uint32 framebuffer);
	public void glBindFramebufferEXT (uint32 target, uint32 framebuffer);
	public void glDeleteFramebuffersEXT (int32 n, uint32 *framebuffers);
	public void glGenFramebuffersEXT (int32 n, uint32 *framebuffers);
	public uint32 glCheckFramebufferStatusEXT (uint32 target);
	public void glFramebufferTexture1DEXT (uint32 target, uint32 attachment, uint32 textarget, uint32 texture, int32 level);
	public void glFramebufferTexture2DEXT (uint32 target, uint32 attachment, uint32 textarget, uint32 texture, int32 level);
	public void glFramebufferTexture3DEXT (uint32 target, uint32 attachment, uint32 textarget, uint32 texture, int32 level, int32 zoffset);
	public void glFramebufferRenderbufferEXT (uint32 target, uint32 attachment, uint32 renderbuffertarget, uint32 renderbuffer);
	public void glGetFramebufferAttachmentParameterivEXT (uint32 target, uint32 attachment, uint32 pname, int32 *params);
	public void glGenerateMipmapEXT (uint32 target);
}

GLEW.vapi

/**
 * This VAPI is based on GLEW 2.0
 * (GLenum => uint, GLubyte => uint8, GLboolean => uchar)
 */
[CCode (cprefix = "", lower_case_cprefix = "", cheader_filename="GL/glew.h")]
namespace GLEW {
	public uint glewInit ();
	public uchar glewIsSupported (char *name);

	public uchar glewExperimental;
	public uchar glewGetExtension (char *name);
	public uint8 *glewGetErrorString (uint error);
	public uint8 *glewGetString (uint name);

	/* ===== START GLEW_MX ===== */

	[SimpleType]
	public struct GLEWContext {}

	public uint8 glewContextInit (GLEWContext *ctx);
	public uchar glewContextIsSupported (GLEWContext *ctx, char *name);

	/* ===== END GLEW_MX ===== */
}