diff -r gdbm-windows/gdbmopen.c gdbm-1.7.3/gdbmopen.c
128c128
<       dbf->desc = open (dbf->name, O_RDONLY|O_BINARY, 0);
---
>       dbf->desc = open (dbf->name, O_RDONLY, 0);
132c132
<       dbf->desc = open (dbf->name, O_RDWR|O_BINARY, 0);
---
>       dbf->desc = open (dbf->name, O_RDWR, 0);
136c136
<       dbf->desc = open (dbf->name, O_RDWR|O_CREAT|O_BINARY, mode);
---
>       dbf->desc = open (dbf->name, O_RDWR|O_CREAT, mode);
142c142
<       dbf->desc = open (dbf->name, O_RDWR|O_CREAT|O_BINARY, mode);
---
>       dbf->desc = open (dbf->name, O_RDWR|O_CREAT, mode);

diff -r gdbm-windows/systems.h gdbm-1.7.3/systems.h
29,32d28
< #ifdef MSDOS
< #include <malloc.h>
< #include <io.h>
< #endif /* MSDOS */
74,79d69
< /* Fix for MSDOS: no flock at all */
< #ifdef MSDOS
< #define UNLOCK_FILE(dbf) 
< #define READLOCK_FILE(dbf) lock_val = 0
< #define WRITELOCK_FILE(dbf) lock_val = 0
< #else /* MSDSOS */
133d122
< #endif /* MSDOS */
146,148d134
< #ifdef MSDOS
< #define fsync(f) _commit(f); /* Rob's fix */
< #else /* MSDSOS */
150d135
< #endif /* MSDOS */