#include <stdio.h>#include <stdlib.h>#include <string.h>#include "nano-X.h"#define IMAGE_PATH "demos/tuxchess/images"extern GR_IMAGE_ID     board_image_id;extern GR_IMAGE_INFO   board_info;extern int board_w,board_h; extern GR_IMAGE_ID     w_p_image_id;   /* white pawn */extern GR_IMAGE_INFO   w_p_info;extern int w_p_w,w_p_h;extern GR_IMAGE_ID     w_n_image_id;   /* white knight */extern GR_IMAGE_INFO   w_n_info;extern int w_n_w,w_n_h;          extern GR_IMAGE_ID     w_b_image_id;   /* white bishop */extern GR_IMAGE_INFO   w_b_info;extern int w_b_w,w_b_h;                         extern GR_IMAGE_ID     w_r_image_id;   /* white rook */extern GR_IMAGE_INFO   w_r_info;extern int w_r_w,w_r_h; extern GR_IMAGE_ID     w_q_image_id;   /* white queen */extern GR_IMAGE_INFO   w_q_info;extern int w_q_w,w_q_h; extern GR_IMAGE_ID     w_k_image_id;   /* white king */extern GR_IMAGE_INFO   w_k_info;extern int w_k_w,w_k_h;                 extern GR_IMAGE_ID     b_p_image_id;   /* black pawn */extern GR_IMAGE_INFO   b_p_info;extern int b_p_w,b_p_h;extern GR_IMAGE_ID     b_n_image_id;   /* black knight */extern GR_IMAGE_INFO   b_n_info;extern int b_n_w,b_n_h;          extern GR_IMAGE_ID     b_b_image_id;   /* black bishop */extern GR_IMAGE_INFO   b_b_info;extern int b_b_w,b_b_h;                         extern GR_IMAGE_ID     b_r_image_id;   /* black rook */extern GR_IMAGE_INFO   b_r_info;extern int b_r_w,b_r_h; extern GR_IMAGE_ID     b_q_image_id;   /* black queen */extern GR_IMAGE_INFO   b_q_info;extern int b_q_w,b_q_h; extern GR_IMAGE_ID     b_k_image_id;   /* black king */extern GR_IMAGE_INFO   b_k_info;extern int b_k_w,b_k_h;                                                                 int load_images(void){	char buf[128];	sprintf(buf,"%s/board.gif",IMAGE_PATH);        if (!(board_image_id = GrLoadImageFromFile(buf, 0))) {                fprintf(stderr, "Can't load board image file\n");                exit(-1);        }        GrGetImageInfo(board_image_id, &board_info);        board_w = board_info.width;        board_h = board_info.height; 	/* ****************/	sprintf(buf,"%s/w_p.gif",IMAGE_PATH);        if (!(w_p_image_id = GrLoadImageFromFile(buf, 0))) {                fprintf(stderr, "Can't load white pawn image file\n");                exit(-1);        }        GrGetImageInfo(w_p_image_id, &w_p_info);        w_p_w = w_p_info.width;        w_p_h = w_p_info.height; 	/* ****************/	sprintf(buf,"%s/w_n.gif",IMAGE_PATH);        if (!(w_n_image_id = GrLoadImageFromFile(buf, 0))) {                fprintf(stderr, "Can't load white knight image file\n");                exit(-1);        }        GrGetImageInfo(w_n_image_id, &w_n_info);        w_n_w = w_n_info.width;        w_n_h = w_n_info.height; 	/* ****************/	sprintf(buf,"%s/w_b.gif",IMAGE_PATH);        if (!(w_b_image_id = GrLoadImageFromFile(buf, 0))) {                fprintf(stderr, "Can't load white bishop image file\n");                exit(-1);        }        GrGetImageInfo(w_b_image_id, &w_b_info);        w_b_w = w_b_info.width;        w_b_h = w_b_info.height;  	/* ****************/	sprintf(buf,"%s/w_r.gif",IMAGE_PATH);        if (!(w_r_image_id = GrLoadImageFromFile(buf, 0))) {                fprintf(stderr, "Can't load white rook image file\n");                exit(-1);        }        GrGetImageInfo(w_r_image_id, &w_r_info);        w_r_w = w_r_info.width;        w_r_h = w_r_info.height;  	/* ****************/	sprintf(buf,"%s/w_k.gif",IMAGE_PATH);        if (!(w_k_image_id = GrLoadImageFromFile(buf, 0))) {                fprintf(stderr, "Can't load white king image file\n");                exit(-1);        }        GrGetImageInfo(w_k_image_id, &w_k_info);        w_k_w = w_k_info.width;        w_k_h = w_k_info.height;  	/* ****************/	sprintf(buf,"%s/w_q.gif",IMAGE_PATH);        if (!(w_q_image_id = GrLoadImageFromFile(buf, 0))) {                fprintf(stderr, "Can't load white queen image file\n");                exit(-1);        }        GrGetImageInfo(w_q_image_id, &w_q_info);        w_q_w = w_q_info.width;        w_q_h = w_q_info.height;  	/* ****************/	sprintf(buf,"%s/b_p.gif",IMAGE_PATH);        if (!(b_p_image_id = GrLoadImageFromFile(buf, 0))) {                fprintf(stderr, "Can't load black pawn image file\n");                exit(-1);        }        GrGetImageInfo(b_p_image_id, &b_p_info);        b_p_w = b_p_info.width;        b_p_h = b_p_info.height; 	/* ****************/	sprintf(buf,"%s/b_n.gif",IMAGE_PATH);        if (!(b_n_image_id = GrLoadImageFromFile(buf, 0))) {                fprintf(stderr, "Can't load black knight image file\n");                exit(-1);        }        GrGetImageInfo(b_n_image_id, &b_n_info);        b_n_w = b_n_info.width;        b_n_h = b_n_info.height; 	/* ****************/	sprintf(buf,"%s/b_b.gif",IMAGE_PATH);        if (!(b_b_image_id = GrLoadImageFromFile(buf, 0))) {                fprintf(stderr, "Can't load black bishop image file\n");                exit(-1);        }        GrGetImageInfo(b_b_image_id, &b_b_info);        b_b_w = b_b_info.width;        b_b_h = b_b_info.height;  	/* ****************/	sprintf(buf,"%s/b_r.gif",IMAGE_PATH);        if (!(b_r_image_id = GrLoadImageFromFile(buf, 0))) {                fprintf(stderr, "Can't load black rook image file\n");                exit(-1);        }        GrGetImageInfo(b_r_image_id, &b_r_info);        b_r_w = b_r_info.width;        b_r_h = b_r_info.height;  	/* ****************/	sprintf(buf,"%s/b_k.gif",IMAGE_PATH);        if (!(b_k_image_id = GrLoadImageFromFile(buf, 0))) {                fprintf(stderr, "Can't load black king image file\n");                exit(-1);        }        GrGetImageInfo(b_k_image_id, &b_k_info);        b_k_w = b_k_info.width;        b_k_h = b_k_info.height;  	/* ****************/	sprintf(buf,"%s/b_q.gif",IMAGE_PATH);        if (!(b_q_image_id = GrLoadImageFromFile(buf, 0))) {                fprintf(stderr, "Can't load black queen image file\n");                exit(-1);        }        GrGetImageInfo(b_q_image_id, &b_q_info);        b_q_w = b_q_info.width;        b_q_h = b_q_info.height; 	return(0);}