19   void close(phio_fp f, const char* mode) {  in close()  argument
20     closefile(f->file, mode);  in close()
21     free(f->file);  in close()
22     free(f);  in close()
26 void posix_openfile(const char filename[], phio_fp f) {  in posix_openfile()  argument
28   int err = posix_openfile_single(posixName.c_str(),f);  in posix_openfile()
32 int posix_openfile_single(const char filename[], phio_fp f) {  in posix_openfile_single()  argument
33   assert(f->mode == 'r' || f->mode == 'w');  in posix_openfile_single()
35   if(f->mode == 'r')  in posix_openfile_single()
36     openfile(posixName.c_str(), "read", f->file);  in posix_openfile_single()
37   else if(f->mode == 'w')  in posix_openfile_single()
38     openfile(posixName.c_str(), "write", f->file);  in posix_openfile_single()
39   if( ! *(f->file) )  in posix_openfile_single()
45 void posix_closefile(phio_fp f) {  in posix_closefile()  argument
46   assert(f->mode == 'r' || f->mode == 'w');  in posix_closefile()
47   if(f->mode == 'r')  in posix_closefile()
48     close(f, "read");  in posix_closefile()
49   else if(f->mode == 'w')  in posix_closefile()
50     close(f, "write");  in posix_closefile()