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


Figure 1-1 Creation and Use of a Lexical Analyzer with lex	4
Figure 1-2 Sample lex Source Recognizing Tokens	24
Figure 2-1 The yacc Input Syntax	71
Figure 2-2 A yacc Application for a Desk Calculator	75
Figure 2-3 Advanced Example of a yacc Specification	82
Figure 3-1 Makefile Target Entry Format	95
Figure 3-2 A Trivial Makefile	96
Figure 3-3 Check and Process the Targets	101
Figure 3-4 Simple Makefile for Compiling C Sources: Everything Explicit	114
Figure 3-5 Makefile for Compiling C Sources Using Predefined Macros	116
Figure 3-6 Makefile for Compiling C Sources Using Suffix Rules	117
Figure 3-7 The Standard Suffixes List	117
Figure 3-8 Makefile for a C Program with System-Supplied Libraries	136
Figure 3-9 Makefile for a C Program with Alternate Debugging and Profiling Variants	139


Figure 3-10 Makefile for a C Library with Alternate Variants	140
Figure 3-11 Sample Makefile for Separate Debugging and Profiling Program Variants	143
Figure 3-12 Sample Makefile for Separate Debugging and Profiling Library Variants	144
Figure 3-13 Target Entry for a Nested make Command	147
Figure 3-14 Makefile for C Program with User-Supplied Libraries	148
Figure 3-15 Summary of Macro Assignment Order	152
Figure 3-16 Changing Execute Permissions	154
Figure 4-1 Evolution of an SCCS File	199
Figure 4-2 Tree Structure with Branch Deltas	200
Figure 4-3 Extending the Branching Concept	201
Figure A-1 Summary of Default Transformation Path	239