https://docs.oracle.com/cd/E88353_01/html/E37846/bufsplit-3gen.html
bufsplit - man pages section 3: Extended Library Functions, Volume 2
bufsplit - split buffer into fields bufsplit() examines the buffer, buf , and assigns values to the pointer array, a , so that the pointers point to the first...
man pagesextended librarysectionfunctionsvolume