fix C compiler warnings about unused parameters in buffer format utility functions
fix C compiler warnings about unused parameters in buffer format utility functions

hickford/cython,mcanthony/cython,da-woods/cython,marscher/cython,larsmans/cython,andreasvc/cython,fabianrost84/cython,c-blake/cython,hhsprings/cython,c-blake/cython,dahebolangkuan/cython,mcanthony/cython,dahebolangkuan/cython,ChristopherHogan/cython,andreasvc/cython,slonik-az/cython,encukou/cython,fperez/cython,acrispin/cython,larsmans/cython,andreasvc/cython,acrispin/cython,fperez/cython,marscher/cython,ABcDexter/cython,scoder/cython,encukou/cython,JelleZijlstra/cython,larsmans/cython,fperez/cython,encukou/cython,roxyboy/cython,dahebolangkuan/cython,madjar/cython,scoder/cython,da-woods/cython,mrGeen/cython,c-blake/cython,encukou/cython,JelleZijlstra/cython,scoder/cython,roxyboy/cython,madjar/cython,da-woods/cython,ABcDexter/cython,roxyboy/cython,slonik-az/cython,achernet/cython,fperez/cython,cython/cython,hickford/cython,hhsprings/cython,mrGeen/cython,ABcDexter/cython,mrGeen/cython,roxyboy/cython,da-woods/cython,madjar/cython,JelleZijlstra/cython,fabianrost84/cython,madjar/cython,hhsprings/cython,ChristopherHogan/cython,dahebolangkuan/cython,mrGeen/cython,c-blake/cython,acrispin/cython,larsmans/cython,mcanthony/cython,fperez/cython,achernet/cython,c-blake/cython,marscher/cython,marscher/cython,madjar/cython,hhsprings/cython,fabianrost84/cython,cython/cython,JelleZijlstra/cython,hickford/cython,scoder/cython,mcanthony/cython,slonik-az/cython,acrispin/cython,fabianrost84/cython,dahebolangkuan/cython,mcanthony/cython,acrispin/cython,marscher/cython,andreasvc/cython,ABcDexter/cython,achernet/cython,andreasvc/cython,roxyboy/cython,fabianrost84/cython,hickford/cython,slonik-az/cython,hickford/cython,hhsprings/cython,larsmans/cython,JelleZijlstra/cython,encukou/cython,ABcDexter/cython,achernet/cython,cython/cython,mrGeen/cython,ChristopherHogan/cython,cython/cython,slonik-az/cython,achernet/cython