............................Figures


Figure 2-1 Creation and Use of a Lexical Analyzer with lex	54
Figure 2-2 Sample lex Source Recognizing Tokens	74
Figure 3-1 The yacc Input Syntax	121
Figure 3-2 A yacc Application for a Desk Calculator	125
Figure 3-3 Advanced Example of a yacc Specification	132
Figure 4-1 Makefile Target Entry Format	145
Figure 4-2 A Trivial Makefile	145
Figure 4-3 Simple Makefile for Compiling C Sources: Everything Explicit 164
Figure 4-4 Makefile for Compiling C Sources Using Predefined Macros 166
Figure 4-5 Makefile for Compiling C Sources Using Suffix Rules	166
Figure 4-6 The Standard Suffixes List	167
Figure 4-7 Makefile for a C Program with System-Supplied Libraries	185
Figure 4-8 Makefile for a C Program with Alternate Debugging and Profiling Variants	188
Figure 4-9 Makefile for a C Library with Alternate Variants	189
Figure 4-10 Sample Makefile for Separate Debugging and Profiling Program Variants	192


Figure 4-11 Sample Makefile for Separate Debugging and Profiling Library Variants	193
Figure 4-12 Target Entry for a Nested make Command	196
Figure 4-13 Makefile for C Program with User-Supplied Libraries	196
Figure 4-14 Summary of Macro Assignment Order	200
Figure 5-1 Evolution of an SCCS File	247
Figure 5-2 Tree Structure with Branch Deltas	248
Figure 5-3 Extending the Branching Concept	249
Figure A-1 Summary of Default Transformation Path	287