C sample source texts

• FNT_SMPL.C, FNT_SMP2.C, FNT_SMP3.C,
   
• PDLGSMP1.C, PDLGSMP2.C, PDLGSMP3.C, PDLGSMP4.C,
   
• WDLG_SMP.C,
   
• XOBJ_SMP.C,
   
• ADAPTRSC.C