The C standard library provides numerous built-in functions that your program can call. For example, strcat() to concatenate two strings, memcpy() to copy one memory location to another location, and many more functions. A function can also be referred as a method or a sub-routine or a procedure, etc.
Quick Answer. Authors use repetition for several reasons, including making a point, to set a rhythm, link topics or ideas and to make discussions easier to follow. Using repetition in writing is something that still has rules and should be used with some thought instead of randomly.
We hear repetition all around us: commercials repeat sales and slogans to intensify what they're saying and to burn them into our brains. Song lyrics often repeat lines and have catchy choruses that we can easily sing along to and remember. Even in primitive times, religious chants from various cultures often used repetition as well. In poetry, repetition is repeating words, phrases, lines, or stanzas. Stanzas are groups of lines that are together. Repetition is used to emphasize a feeling or idea, create rhythm, and/or develop a sense of urgency. Examples of Repetition in Poetry