I'm getting a 'segmentation fault' error when I run my C program. What does that mean?
A 'segmentation fault' usually indicates that your program is trying to access a memory location that it's not allowed to. This often happens due to dereferencing a null or uninitialized pointer.
How can I find out where the error is occurring?
You can use a debugger like GDB to run your program step by step. This will help you identify the exact line where the segmentation fault occurs.
What are some common causes of segmentation faults?
Common causes include dereferencing null pointers, accessing out-of-bounds array elements, and using freed memory.
Can you give me an example of how to use GDB?
Sure! You can start GDB with your program by running gdb ./your_program
. Then use the run
command to execute it and backtrace
to see the call stack after a crash.
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