FILE *fp1;

	fp1 = fopen("lena.bmp","rb");
		


		for(M = 0; M < 512; M++){
		for(N = 0; N <512; N++){
		fscanf(fp1,"%d",&I[M][N]);
   }
} 

Line 3: warning: data definition has no type or storage class
Line 3: error: conflicting types for 'fp1'
Line 1: error: previous declaration of 'fp1' was here
Line 3: warning: initialization makes integer from pointer without a cast
Line 3: error: initializer element is not constant
Line 7: error: expected identifier or '(' before 'for'
Line 7: error: expected '=', ',', ';', 'asm' or '__attribute__' before '<' token
Line 7: error: expected '=', ',', ';', 'asm' or '__attribute__' before '++' token