Fix segfault/invalid value in argument parsing code. Also remove inline for non-critial path.
Fix segfault/invalid value in argument parsing code. Also remove inline for non-critial path.

Reducing the total footprint by making error code non-inline helps with
code size and can also speed up the critical path.

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