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-
- #include "aatypes.h"
- #include "aai86.h"
- #include "aados.h"
-
- /* get the 'data transfer area' ms-dos will use doing directory searches */
- Fndata *dos_get_dta()
- {
- union i86_regs reg;
-
- /* get the 'DTA' area for directory search */
- reg.b.ah = 0x2f;
- i86_sysint(0x21,®,®);
- return(i86_make_ptr(reg.w.bx, reg.w.es));
- }
-
- /* find the first file that matches the pattern with the right attributes */
- Boolean dos_first(char *pat, int attr)
- {
- union i86_regs reg;
-
- /* now do the find first... */
- reg.b.ah = 0x4e; /* int 21 function # */
- reg.w.cx = attr; /* 'attribute' */
- reg.w.dx = i86_ptr_offset(pat);
- reg.w.ds = i86_ptr_seg(pat);
- return(!(i86_sysint(0x21,®,®)&1)); /* check carry flag for error... */
- }
-
- /* find the next matching file */
- Boolean dos_next ()
- {
- union i86_regs reg;
-
- reg.b.ah = 0x4f;
- return(!(i86_sysint(0x21,®,®)&1));
- }
-
-