sys/newlib: Fix function definitions to match newlib prototypes
sys/newlib: Fix function definitions to match newlib prototypes

Josar/RIOT,toonst/RIOT,d00616/RIOT,neumodisch/RIOT,LudwigKnuepfer/RIOT,OlegHahm/RIOT,zhuoshuguo/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,kb2ma/RIOT,syin2/RIOT,toonst/RIOT,tfar/RIOT,rajma996/RIOT,backenklee/RIOT,immesys/RiSyn,josephnoir/RIOT,kaleb-himes/RIOT,gautric/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,kb2ma/RIOT,RIOT-OS/RIOT,TobiasFredersdorf/RIOT,alignan/RIOT,syin2/RIOT,plushvoxel/RIOT,rakendrathapa/RIOT,avmelnikoff/RIOT,kaspar030/RIOT,zhuoshuguo/RIOT,kerneltask/RIOT,FrancescoErmini/RIOT,zhuoshuguo/RIOT,neiljay/RIOT,biboc/RIOT,altairpearl/RIOT,wentaoshang/RIOT,adjih/RIOT,tfar/RIOT,roberthartung/RIOT,zhuoshuguo/RIOT,basilfx/RIOT,brettswann/RIOT,dkm/RIOT,LudwigOrtmann/RIOT,rousselk/RIOT,neumodisch/RIOT,jremmert-phytec-iot/RIOT,A-Paul/RIOT,OlegHahm/RIOT,Josar/RIOT,jasonatran/RIOT,miri64/RIOT,roberthartung/RIOT,biboc/RIOT,josephnoir/RIOT,alignan/RIOT,rousselk/RIOT,x3ro/RIOT,kaspar030/RIOT,malosek/RIOT,rakendrathapa/RIOT,dailab/RIOT,wentaoshang/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,yogo1212/RIOT,cladmi/RIOT,kb2ma/RIOT,katezilla/RIOT,BytesGalore/RIOT,OTAkeys/RIOT,Josar/RIOT,d00616/RIOT,kYc0o/RIOT,MohmadAyman/RIOT,miri64/RIOT,d00616/RIOT,gautric/RIOT,MohmadAyman/RIOT,cladmi/RIOT,wentaoshang/RIOT,cladmi/RIOT,authmillenon/RIOT,A-Paul/RIOT,A-Paul/RIOT,ant9000/RIOT,gautric/RIOT,jasonatran/RIOT,beurdouche/RIOT,lazytech-org/RIOT,kYc0o/RIOT,miri64/RIOT,authmillenon/RIOT,alignan/RIOT,plushvoxel/RIOT,immesys/RiSyn,asanka-code/RIOT,katezilla/RIOT,plushvoxel/RIOT,LudwigKnuepfer/RIOT,beurdouche/RIOT,jasonatran/RIOT,A-Paul/RIOT,mtausig/RIOT,dkm/RIOT,zhuoshuguo/RIOT,altairpearl/RIOT,kYc0o/RIOT,katezilla/RIOT,FrancescoErmini/RIOT,jasonatran/RIOT,OTAkeys/RIOT,malosek/RIOT,jfischer-phytec-iot/RIOT,neumodisch/RIOT,ant9000/RIOT,rfuentess/RIOT,yogo1212/RIOT,adrianghc/RIOT,authmillenon/RIOT,kaleb-himes/RIOT,yogo1212/RIOT,brettswann/RIOT,wentaoshang/RIOT,ks156/RIOT,basilfx/RIOT,OTAkeys/RIOT,MohmadAyman/RIOT,authmillenon/RIOT,adrianghc/RIOT,jfischer-phytec-iot/RIOT,jbeyerstedt/RIOT-OTA-update,tfar/RIOT,BytesGalore/RIOT,tfar/RIOT,malosek/RIOT,josephnoir/RIOT,miri64/RIOT,rakendrathapa/RIOT,ant9000/RIOT,adrianghc/RIOT,LudwigOrtmann/RIOT,avmelnikoff/RIOT,toonst/RIOT,jbeyerstedt/RIOT-OTA-update,Ell-i/RIOT,katezilla/RIOT,backenklee/RIOT,thomaseichinger/RIOT,tfar/RIOT,d00616/RIOT,toonst/RIOT,Hyungsin/RIOT-OS,immesys/RiSyn,yogo1212/RIOT,rousselk/RIOT,kaleb-himes/RIOT,hamilton-mote/RIOT-OS,mtausig/RIOT,brettswann/RIOT,gebart/RIOT,asanka-code/RIOT,altairpearl/RIOT,plushvoxel/RIOT,jfischer-phytec-iot/RIOT,hamilton-mote/RIOT-OS,rfuentess/RIOT,Josar/RIOT,kaspar030/RIOT,smlng/RIOT,TobiasFredersdorf/RIOT,jasonatran/RIOT,neumodisch/RIOT,jbeyerstedt/RIOT-OTA-update,gebart/RIOT,kb2ma/RIOT,jfischer-phytec-iot/RIOT,MohmadAyman/RIOT,mfrey/RIOT,rakendrathapa/RIOT,miri64/RIOT,jfischer-phytec-iot/RIOT,attdona/RIOT,syin2/RIOT,adrianghc/RIOT,FrancescoErmini/RIOT,thomaseichinger/RIOT,jremmert-phytec-iot/RIOT,thomaseichinger/RIOT,rajma996/RIOT,biboc/RIOT,Ell-i/RIOT,Ell-i/RIOT,backenklee/RIOT,avmelnikoff/RIOT,dkm/RIOT,MohmadAyman/RIOT,dkm/RIOT,Ell-i/RIOT,cladmi/RIOT,thomaseichinger/RIOT,alignan/RIOT,LudwigKnuepfer/RIOT,immesys/RiSyn,kbumsik/RIOT,neiljay/RIOT,beurdouche/RIOT,RIOT-OS/RIOT,rfuentess/RIOT,basilfx/RIOT,rousselk/RIOT,Hyungsin/RIOT-OS,ks156/RIOT,asanka-code/RIOT,altairpearl/RIOT,RIOT-OS/RIOT,cladmi/RIOT,MohmadAyman/RIOT,jbeyerstedt/RIOT-OTA-update,smlng/RIOT,attdona/RIOT,kbumsik/RIOT,adrianghc/RIOT,biboc/RIOT,malosek/RIOT,roberthartung/RIOT,lazytech-org/RIOT,RIOT-OS/RIOT,attdona/RIOT,beurdouche/RIOT,lazytech-org/RIOT,malosek/RIOT,rajma996/RIOT,basilfx/RIOT,malosek/RIOT,attdona/RIOT,beurdouche/RIOT,rajma996/RIOT,OlegHahm/RIOT,dailab/RIOT,TobiasFredersdorf/RIOT,josephnoir/RIOT,d00616/RIOT,aeneby/RIOT,mfrey/RIOT,neiljay/RIOT,LudwigOrtmann/RIOT,avmelnikoff/RIOT,ks156/RIOT,neiljay/RIOT,wentaoshang/RIOT,altairpearl/RIOT,wentaoshang/RIOT,hamilton-mote/RIOT-OS,dkm/RIOT,rousselk/RIOT,rajma996/RIOT,x3ro/RIOT,adjih/RIOT,brettswann/RIOT,Josar/RIOT,OlegHahm/RIOT,BytesGalore/RIOT,yogo1212/RIOT,toonst/RIOT,neumodisch/RIOT,plushvoxel/RIOT,ks156/RIOT,rousselk/RIOT,authmillenon/RIOT,Hyungsin/RIOT-OS,FrancescoErmini/RIOT,roberthartung/RIOT,dailab/RIOT,lazytech-org/RIOT,basilfx/RIOT,rfuentess/RIOT,aeneby/RIOT,kbumsik/RIOT,adjih/RIOT,aeneby/RIOT,ant9000/RIOT,rajma996/RIOT,kaleb-himes/RIOT,aeneby/RIOT,smlng/RIOT,neumodisch/RIOT,rakendrathapa/RIOT,kerneltask/RIOT,smlng/RIOT,mfrey/RIOT,backenklee/RIOT,jremmert-phytec-iot/RIOT,mfrey/RIOT,adjih/RIOT,kbumsik/RIOT,gebart/RIOT,ks156/RIOT,Ell-i/RIOT,LudwigKnuepfer/RIOT,FrancescoErmini/RIOT,RIOT-OS/RIOT,asanka-code/RIOT,x3ro/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,LudwigOrtmann/RIOT,BytesGalore/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,mtausig/RIOT,dailab/RIOT,jremmert-phytec-iot/RIOT,jbeyerstedt/RIOT-OTA-update,syin2/RIOT,hamilton-mote/RIOT-OS,alignan/RIOT,ant9000/RIOT,zhuoshuguo/RIOT,syin2/RIOT,kaspar030/RIOT,x3ro/RIOT,kerneltask/RIOT,kbumsik/RIOT,attdona/RIOT,gautric/RIOT,OTAkeys/RIOT,kerneltask/RIOT,immesys/RiSyn,kYc0o/RIOT,rakendrathapa/RIOT,lazytech-org/RIOT,FrancescoErmini/RIOT,roberthartung/RIOT,thomaseichinger/RIOT,kerneltask/RIOT,asanka-code/RIOT,yogo1212/RIOT,katezilla/RIOT,mfrey/RIOT,rfuentess/RIOT,kYc0o/RIOT,d00616/RIOT,hamilton-mote/RIOT-OS,Hyungsin/RIOT-OS,OTAkeys/RIOT,jremmert-phytec-iot/RIOT,gebart/RIOT,mtausig/RIOT,josephnoir/RIOT,OlegHahm/RIOT,avmelnikoff/RIOT,TobiasFredersdorf/RIOT,A-Paul/RIOT,LudwigKnuepfer/RIOT,LudwigOrtmann/RIOT,gautric/RIOT,brettswann/RIOT,backenklee/RIOT,smlng/RIOT,BytesGalore/RIOT,mtausig/RIOT,LudwigOrtmann/RIOT,dailab/RIOT,jremmert-phytec-iot/RIOT,kb2ma/RIOT,kaleb-himes/RIOT,gebart/RIOT,asanka-code/RIOT,adjih/RIOT,attdona/RIOT,neiljay/RIOT,x3ro/RIOT,kaspar030/RIOT,biboc/RIOT,brettswann/RIOT,Hyungsin/RIOT-OS,authmillenon/RIOT,aeneby/RIOT,altairpearl/RIOT,immesys/RiSyn,TobiasFredersdorf/RIOT