36 void skip_bytes (FILE *fp, int n)  in skip_bytes()  argument
39 		fgetc (fp);  in skip_bytes()
43 int error (char * msg, FILE *fp)  in error()  argument
47 	fclose (fp);  in error()
76 	FILE	*fp;  in main()  local
95 	fp = fopen(argv[2], "rb");  in main()
96 	if (!fp) {  in main()
101 	if (fgetc (fp) != 'B' || fgetc (fp) != 'M')  in main()
102 		error ("Input file is not a bitmap", fp);  in main()
108 	skip_bytes (fp, 8);  in main()
109 	if (fread (&data_offset, sizeof (uint16_t), 1, fp) != 1)  in main()
110 		error ("Couldn't read bitmap data offset", fp);  in main()
111 	skip_bytes(fp, 2);  in main()
112 	if (fread(&hdr_size,   sizeof(uint16_t), 1, fp) != 1)  in main()
113 		error("Couldn't read bitmap header size", fp);  in main()
115 		error("Invalid bitmap header", fp);  in main()
116 	skip_bytes(fp, 2);  in main()
117 	if (fread (&b->width,   sizeof (uint16_t), 1, fp) != 1)  in main()
118 		error ("Couldn't read bitmap width", fp);  in main()
119 	skip_bytes (fp, 2);  in main()
120 	if (fread (&b->height,  sizeof (uint16_t), 1, fp) != 1)  in main()
121 		error ("Couldn't read bitmap height", fp);  in main()
122 	skip_bytes (fp, 22);  in main()
123 	if (fread (&n_colors, sizeof (uint16_t), 1, fp) != 1)  in main()
124 		error ("Couldn't read bitmap colors", fp);  in main()
125 	skip_bytes(fp, hdr_size - 34);  in main()
157 		error ("Error allocating memory for file", fp);  in main()
163 		b->palette[(int)(i*3+2)] = fgetc(fp);  in main()
164 		b->palette[(int)(i*3+1)] = fgetc(fp);  in main()
165 		b->palette[(int)(i*3+0)] = fgetc(fp);  in main()
166 		x=fgetc(fp);  in main()
178 	fseek(fp, (long)data_offset, SEEK_SET);  in main()
187 			b->data[i + x] = (uint8_t) fgetc(fp)  in main()
206 	fclose(fp);  in main()