View Compilation Error

0_0_1608972_14201.cpp: In function `int main()':
0_0_1608972_14201.cpp:19: error: `suffix' undeclared (first use this function)
0_0_1608972_14201.cpp:19: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_1608972_14201.cpp: In function `char* suffix(int)':
0_0_1608972_14201.cpp:24: error: `char* suffix(int)' used prior to declaration