This book describes the Sun[tm] ONE Studio C compiler, the incremental link editor, and the lint program (which you can use to examine your code). The book provides instructions for parallelizing your code, explains how to transition to ISO/IEC compliant code, and describes the interactive program cscope. This book includes appendixes that list implementation-defined behavior, implemented features of the ISO/IEC 9899:1999, Programming Language-C standard, and implementation-specific details from the OpenMP C and C++ Application Program Interface Version 1.0-October 1998.