use shorter "#ifndef" instead of "#if defined()"
use shorter "#ifndef" instead of "#if defined()"

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