The more you understand about Client-Library before starting to code, the smoother the migration process will be.
Resources for learning about Client-Library include:
Sybase Education’s Client-Library class, “Open Client Using Client Library.” For more information, call Sybase Education at 1-800-8-SYBASE.
The Client-Library sample programs included with the software.
The Open Client Client-Library/C Programmer’s Guide. This book contains basic information on how to structure Client-Library programs.
The following chapters contain information on how to perform specific DB-Library application tasks using Client-Library:
In particular, Chapter 5, “Converting DB-Library Application Code,” contains side-by-side comparisons of DB-Library and Client-Library call sequences for common application tasks.