__LINE__ # 10 __LINE__ # line 20 __LINE__ # 64mb __LINE__ # line 30 __LINE__ #define LINE1 40 # line LINE1 __LINE__ __FILE__ #define LINE2 50 # line LINE2 "file1" __LINE__ __FILE__ #define LINE3 60 #define FILE "file2" # line LINE3 FILE __LINE__ __FILE__