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Magnum One (Mid-American Digital) (Disc Manufacturing).iso
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c_lib.arc
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FLDELETE.C
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1990-08-09
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/**
*
* Name fldelete -- Delete a file
*
* Synopsis ercode = fldelete(pfile);
* int ercode DOS function return error code
* char *pfile Full path name of file to delete
*
* Description This function deletes the file specified in the path
* name. Note that read only files cannot be deleted
* until their attribute is changed (use FLSETATR).
* Directories cannot be deleted with FLDELETE.
*
* Returns ercode DOS 2.0 function return error code
*
* Version 1.1 (C)Copyright Blaise Computing Inc. 1983, 1984
*
**/
#include <compiler.h>
struct dreg
{
unsigned ax,bx,cx,dx,si,di,ds,es;
};
#define DOSREG struct dreg
int fldelete(pfile)
char *pfile;
{
DOSREG dos_reg;
int utinit(),dos();
#if CI201A & LDATA
unsigned long ptrtoabs();
#endif
utinit(&dos_reg); /* Initialize registers */
dos_reg.ax = 0x4100; /* DOS function 41 */
#if LDATA
#if CI201A
dos_reg.ds = (unsigned)((ptrtoabs(pfile) & 0xffff0L) >> 4L);
dos_reg.dx = (unsigned)(ptrtoabs(pfile) & 0xfL);
#else
dos_reg.ds = (unsigned)(((long)(pfile) & 0xffff0L) >> 4L);
dos_reg.dx = (unsigned)((long)(pfile) & 0xfL);
#endif
#else
dos_reg.dx = (unsigned)pfile;
#endif
return(dos(&dos_reg));
}