c debugging

Which of the following statements is the best way to debug a C program?

• Add printf() statements throughout the code to check the values of variables.

• Use a debugger to step through the code and watch variable values.

• Rewrite the code from scratch.

• Use the exit() function to terminate the program at different points to see if it reaches certain areas.

What does the gdb command in C do?

• It helps compile the C code.

• It generates debugging logs for the program

• It is a debugger that allows you to interactively debug a C program.

• It runs the C program in an optimized environment.

What is a segmentation fault (segfault) in C?

• A syntax error caused by incorrect C syntax.

• A runtime error caused by accessing invalid memory or an illegal memory location.

• A logic error that causes incorrect program behavior without crashing it.

• A compilation error that occurs when a variable is not declared.

Which of the following will most likely cause a buffer overflow in a C program?

• Assigning a value to a variable within its declared range.

• Using strcpy() without checking the size of the destination buffer.

• Using malloc() with a proper size argument.

• Accessing an array within its bounds.

What does the valgrind tool do in C programming?

• It helps detect memory leaks by analyzing memory allocation and deallocation

• It is used to compile C code with debug symbols.

• It visualizes the flow of a program's execution.

• It optimizes the runtime speed of the program.

What does the valgrind tool do in C programming?

• It helps detect memory leaks by analyzing memory allocation and deallocation

• It is used to compile C code with debug symbols.

• It visualizes the flow of a program's execution.

• It optimizes the runtime speed of the program.