Standard C libraries used by
: returns the absolute value of its argument;
: returns the greatest integral value less than or equal to its argument; and
: returns the square root of its argument.
: a constant returned upon reaching the end of a file;
: causes any buffered data waiting to be written for the given stream to be written out, and the stream to be closed;
: a defined type for streams;
: opens a given file, associates a stream with it, and returns a pointer to the file structure associated with that stream;
: places output on a given stream;
: reads from a given stream;
: returns the next character from a given input stream;
: reads characters from the standard input stream into a string;
: a constant which designates a null pointer;
: places output, followed by the null character, in consecutive bytes of a string;
: the standard error stream;
: the standard input stream;
: the standard output stream; and
: pushes a character back onto a given input stream.
: closes any open files and terminates program execution;
: a constant returned to the operating system to indicate that the program has terminated unsuccessfully;
: a constant returned to the operating system to indicate that the program has terminated successfully;
: frees storage earlier allocated;
: allocates storage; and
: reallocates storage.
: returns a pointer to the first occurrence of a given character in a given string, or a null pointer if it does not occur; and
: returns zero if two given strings are identical.
30 April 1995