View Compilation Error

0_0_2905036_7468.cpp: In function `int main()':
0_0_2905036_7468.cpp:8: error: `scnaf' undeclared (first use this function)
0_0_2905036_7468.cpp:8: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_2905036_7468.cpp:9: error: `size0' undeclared (first use this function)