A.FILE *FP; FP=fopen("r", "file1");
B.FILE *FP; FP=fopen("file1","r");
C.FILE *FP; FP=fopen("rb+”, "file1");
D.FILE *FP; FP=fopen("file1", "rb+");
A.fopen("D:\\user\\abc.txt","r")
B. fopen("D:\user\abc.txt","w")
C. fopen("D:\\user\\abc.txt","r+")
D. fopen("D:\user\abc.txt","rb")
A.FILE *FP; FP=fopen("fil2","r");
B.FILE *FP; FP=fopen("fil2","rb");
C.FILE *FP; FP=fopen("fil2","wb+");
D.FILE *FP; FP=fopen("fil2","rb+");