Create and hide __btowc, __mbrtowc, __wcrtomb
Create and hide __btowc, __mbrtowc, __wcrtomb

hjl-tools/uClibc,ddcc/klee-uclibc-0.9.33.2,klee/klee-uclibc,czankel/xtensa-uclibc,skristiansson/uClibc-or1k,kraj/uclibc-ng,kraj/uclibc-ng,hwoarang/uClibc,wbx-github/uclibc-ng,klee/klee-uclibc,klee/klee-uclibc,ffainelli/uClibc,hjl-tools/uClibc,majek/uclibc-vx32,czankel/xtensa-uclibc,ysat0/uClibc,ddcc/klee-uclibc-0.9.33.2,ndmsystems/uClibc,ffainelli/uClibc,skristiansson/uClibc-or1k,waweber/uclibc-clang,skristiansson/uClibc-or1k,hjl-tools/uClibc,foss-for-synopsys-dwc-arc-processors/uClibc,m-labs/uclibc-lm32,foss-xtensa/uClibc,waweber/uclibc-clang,m-labs/uclibc-lm32,OpenInkpot-archive/iplinux-uclibc,majek/uclibc-vx32,m-labs/uclibc-lm32,kraj/uClibc,kraj/uClibc,skristiansson/uClibc-or1k,foss-for-synopsys-dwc-arc-processors/uClibc,brgl/uclibc-ng,groundwater/uClibc,ChickenRunjyd/klee-uclibc,ffainelli/uClibc,ddcc/klee-uclibc-0.9.33.2,brgl/uclibc-ng,atgreen/uClibc-moxie,mephi42/uClibc,hjl-tools/uClibc,brgl/uclibc-ng,groundwater/uClibc,wbx-github/uclibc-ng,mephi42/uClibc,gittup/uClibc,m-labs/uclibc-lm32,groundwater/uClibc,mephi42/uClibc,atgreen/uClibc-moxie,atgreen/uClibc-moxie,waweber/uclibc-clang,czankel/xtensa-uclibc,ChickenRunjyd/klee-uclibc,hwoarang/uClibc,waweber/uclibc-clang,foss-xtensa/uClibc,czankel/xtensa-uclibc,gittup/uClibc,ffainelli/uClibc,wbx-github/uclibc-ng,ChickenRunjyd/klee-uclibc,ysat0/uClibc,gittup/uClibc,wbx-github/uclibc-ng,ndmsystems/uClibc,ndmsystems/uClibc,majek/uclibc-vx32,foss-for-synopsys-dwc-arc-processors/uClibc,klee/klee-uclibc,majek/uclibc-vx32,kraj/uClibc,ChickenRunjyd/klee-uclibc,ffainelli/uClibc,foss-xtensa/uClibc,hjl-tools/uClibc,OpenInkpot-archive/iplinux-uclibc,groundwater/uClibc,mephi42/uClibc,groundwater/uClibc,kraj/uClibc,OpenInkpot-archive/iplinux-uclibc,gittup/uClibc,atgreen/uClibc-moxie,ysat0/uClibc,hwoarang/uClibc,ddcc/klee-uclibc-0.9.33.2,ysat0/uClibc,hwoarang/uClibc,brgl/uclibc-ng,ndmsystems/uClibc,kraj/uclibc-ng,OpenInkpot-archive/iplinux-uclibc,foss-for-synopsys-dwc-arc-processors/uClibc,kraj/uclibc-ng,foss-xtensa/uClibc