Add working C implementation
Add working C implementation

melonmanchan/left-pad-services,melonmanchan/left-pad-services,melonmanchan/left-pad-services,melonmanchan/left-pad-services,melonmanchan/left-pad-services,melonmanchan/left-pad-services,melonmanchan/left-pad-services,melonmanchan/left-pad-services