Function Descriptions
Introduction
Descriptions of the functions listed in Function Categories are provided
in this chapter. Each description includes a synopsis, description,
discussions of return values and portability issues, and an example. Also,
errors, cautions, diagnostics, implementation details, and usage notes are
included, if appropriate. Unless stated otherwise, any Standard function
is also defined by traditional UNIX C compilers. See Introduction to the SAS/C® Library
for a more complete description of this book's definition of UNIX.