clearly delineate what is what. replace duplicate str malloc code with call to cstr_set_n()
clearly delineate what is what. replace duplicate str malloc code with
call to cstr_set_n()

joncampbell123/doslib,joncampbell123/doslib,joncampbell123/doslib,joncampbell123/doslib,joncampbell123/doslib,joncampbell123/doslib