en.wikibooks.org/wiki/C_Programming/Libraries

A library in C is a group of functions and declarations, exposed for use by other programs. The library therefore consists of an interface expressed in a .h file ...

en.wikibooks.org/wiki/C_Programming/Standard_libraries

The C standard library is a standardized collection of header files and library routines used to implement common operations, such as input/output and character ...

www.tutorialspoint.com/c_standard_library

The C Standard Library Tutorial and Reference - Learn C programming language with examples using this C standard library covering all the built-in functions.

computer.howstuffworks.com/c-programming8.htm

Libraries are very important in C because the C language supports only the most basic features that it needs. For example, C doesn't contain input-output (I/O) ...

computer.howstuffworks.com/c15.htm

Since the rand and bubble_sort functions in the previous program are useful, you will probably want to reuse them in other programs you write. You can put them ...

nepis.epa.gov/Exe/ZyPURL.cgi?Dockey=2000IWOM.TXT

Records 3501 - 5270 ... C.; Seqq, A.; Crasvell, P. 1980 "etabolisu and Toxicity of Aluainun in Benal Failure ...... Toxicology Information Programs, National Library of Medicine, ...... Vicin; Viforcit; Tiscorin: Titace; Titacee; Vitaciiin; Titacin; Vitamin C; ...