Function to print a string according to a format string, introduced in the C programming language but supported by many languages
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printf is a C standard library function and is also a Linux terminal (shell) command that formats text and writes it to standard output. The function accepts a format C-string argument and a variable number of value arguments that the function serializes per the format string. Mismatch between the format specifiers and count and type of values results in undefined behavior, and the program might crash or vulnerabilities may arise.