View Compilation Error

1054884_0_0_26350.cpp: In function `char zab(char, char, char)':
1054884_0_0_26350.cpp:9: error: return-statement with no value, in function returning 'int'
1054884_0_0_26350.cpp: At global scope:
1054884_0_0_26350.cpp:12: error: `main' must return `int'