View Compilation Error

0_0_7265036_23381.cpp: In function `void add(int*, int*, int*)':
0_0_7265036_23381.cpp:13: error: `i' undeclared (first use this function)
0_0_7265036_23381.cpp:13: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_7265036_23381.cpp: In function `void calc(char*, char*)':
0_0_7265036_23381.cpp:42: error: `cc' undeclared (first use this function)