You are tasked with optimizing a C program that manipulates large strings. What standard library functions might be critical to review for potential performance bottlenecks?
- getchar() and putchar()
- malloc() and free()
- printf() and scanf()
- strlen() and strcat()
When optimizing a C program that manipulates large strings, functions like strlen() and strcat() should be reviewed for potential performance bottlenecks as they involve string manipulation and can be resource-intensive.
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