error C2065: 'glLoadIdentify' : undeclared identifier

#include <glut.h>
 
void init(void)
{
    glClearColor(1.0,1.0,1.0, 0.0);
        glShadeModel(GL_FLAT); }
 
void display(void)
{ glClear(GL_COLOR_BUFFER_BIT|
          GL_DEPTH_BUFFER_BIT);
glColor3f(0.0,10.0,0.0);
//?????? ? ???????? ???????
glBegin(GL_QUADS);
glVertex2d(10,10);
glVertex2d(10,200);
glVertex2d(200,200);
glVertex2d(200,10);
glEnd();
glColor3f(1.0,0.5,0.17);
glLineWidth(3.0);
glBegin(GL_LINE_STRIP);
glVertex2d(10,10);
glVertex2d(10,200);
glVertex2d(200,200);
glVertex2d(200,10);
glVertex2d(10,10);
glEnd();
glColor3f(0.0,10.0,0.0);
//???
glBegin(GL_LINES);
glVertex2d(-20,-20);
glVertex2d(-20,300);
glVertex2d(-20,-20);
glVertex2d(300,-20);
//?????
 
for(int i=-20;i<300;i+=20)
{
    glColor3f(0.0,0.0,0.0);
    glVertex2d(i,-15);
    glVertex2d(i,-25);
    glColor3f(0.0,0.0,0.0);
    glVertex2d(-25,i);
    glVertex2d(-15,i);}
    glEnd();
    SwapBuffers(wglGetCurrentDC());
    glFlush();
}
 
 
void reshape(int w,int h)
{//
    glViewport(0,0,(GLsizei) w, (GLsizei)h);
    glMatrixMode(GL_PROJECTION);
    glLoadIdentify();
    glOrtho(-100.0,400.0,-100.0,400.0,1.0,-1.0);
 
}
int main(int argc, char** argv)
{
    glutInit(&argc,argv);
 
    glutInitDisplayMode(GLUT_SINGLE|GLUT_RGB);
    glutInitWindowSize(500,500);
    glutInitWindowPosition(100,100);
    glutCreateWindow("...");
    init();
    glutDisplayFunc(display);
    glutReshapeFunc(reshape);
    glutMainLoop();
    return 0;
 }