List any six commonly found programming errors in a C program

Six commonly found errors in a C program are:

1.  Missing or misplaced  ; or  }, missing return type for a procedure, missing or replacement variable declaration.    

2.  Type mismatch among actual and formal parameters, type mismatch on assignment.

3.  Forgetting the precedence of operators, declaration of function parameters.

4.  Output errors means the program runs but make an incorrect result. This indicates an error in the meaning of the program.

5.  Exceptions that contain division by zero, null pointer and out of memory.

6.  Non-termination means the program does not end as expected, but continues running "forever."