how (grayxform) work in (histeq) function?

I want to convert histogram equalization function on gray image from matlab to C language.Any one can help me to convert histeq function from matlab to C?

Answer 1

[Jessada Dissopa]

I know it's very late but i found this and i hope this could help others who will find this question later

try check this out...

https://github.com/ashwathpro/robotics/blob/master/mobRobo/matlab/imui/imui/private/grayxform.c

Hope this could help.