Standard library functions. The standard library functions are built-in functions in C programming to handle tasks such as mathematical computations, I/O processing, string handling etc. These functions are defined in the header file. When you include the header file, these functions are available for use.
Knee replacement. Knee replacement, also known as knee arthroplasty, is a surgical procedure to replace the weight-bearing surfaces of the knee joint to relieve pain and disability. It is most commonly performed for osteoarthritis,[1] and also for other knee diseases such as rheumatoid arthritis and psoriatic arthritis.
What To Expect After A Knee Replacement. Immediately after surgery there may be mild discomfort due to the operation itself. Pain medication is given to lessen any pain. The healing phase will last approximately three months. During this time the mobility of the knee increases, the discomfort lessens, and ultimately the knee becomes pain free.