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  2. Wikipedia:WikiProject C/stdio.h/printf - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:WikiProject_C/...

    printf(string format, items-to-format) It can take one or more arguments, where the first argument is a string to be written. This string can contain special formatting codes which are replaced by items from the remainder of the arguments. For example, an integer can be printed using the "%d" formatting code, e.g.: printf("%d", 42);

  3. printf - Wikipedia

    en.wikipedia.org/wiki/Printf

    The format string syntax and semantics is the same for all of the functions in the printf-like family. Mismatch between the format specifiers and count and type of values can cause a crash or vulnerability. The printf format string is complementary to the scanf format string, which provides formatted input (lexing a.k.a. parsing). Both format ...

  4. printf (Unix) - Wikipedia

    en.wikipedia.org/wiki/Printf_(Unix)

    In Unix and Unix-like operating systems, printf is a shell builtin (and utility program [2]) that formats and outputs text like the same-named C function. Originally named for outputting to a printer, it actually outputs to standard output. [3] The command accepts a format string, which specifies how to format values, and a list of values.

  5. printk - Wikipedia

    en.wikipedia.org/wiki/Printk

    It accepts a string parameter called the format string, which specifies a method for rendering an arbitrary number of varied data type parameter(s) into a string. [1] The string is then printed to the kernel log. [1] It provides a printf-like abstraction and its parsing of the format string and arguments behave similarly to printf. [1]

  6. C standard library - Wikipedia

    en.wikipedia.org/wiki/C_standard_library

    printf() family of routines, for spoiling the execution stack when the format string does not match the arguments given. This fundamental flaw created an entire class of attacks: format string attacks; gets() and scanf() family of I/O routines, for lack of (either any or easy) input length checking.

  7. C data types - Wikipedia

    en.wikipedia.org/wiki/C_data_types

    It defines macros for printf format string and scanf format string specifiers corresponding to the types defined in <stdint.h> and several functions for working with the intmax_t and uintmax_t types. This header was added in C99 .

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  9. Uncontrolled format string - Wikipedia

    en.wikipedia.org/wiki/Uncontrolled_format_string

    Originally thought harmless, format string exploits can be used to crash a program or to execute harmful code. The problem stems from the use of unchecked user input as the format string parameter in certain C functions that perform formatting, such as printf().