readclose - read a whole file into a stralloc

       readclose  reads  the  whole  content  into the stralloc sa.  The file is read in chunks of bufsize bytes
       size.  If everything worked fine, readclose returns 0.  On error, readclose returns  -1  and  sets  errno
       appropriately.

       readclose - read a whole file into a stralloc

open_read(3), openreadclose(3), readclose_append(3)

                                                                                                    readclose(3)

#include<libowfat/readclose.h>

       int readclose(int fd,stralloc* sa,size_t bufsize);