View Compilation Error

0_0_31363337_10937.cpp: In function '__int128 read()':
0_0_31363337_10937.cpp:27:19: error: ambiguating new declaration of '__int128 read()'
 __int128 read(void) {
                   ^
0_0_31363337_10937.cpp:2:5: note: old declaration 'int read()'
 int read(void);
     ^