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AH = 86h BX = total number of file handles in new table
Return:
CF clear if successful CF set on error AX = error code (06h,08h) (see #01680 at AH=59h/BX=0000h)
Desc: Adjust the size of the per-process open file table, thus raising or lowering the limit on the number of files the caller can open simultaneously
Notes: Any currently-open files are copied to the new table. If the table is increased beyond the default 20 handles, only the first 20 will be inherited by child processes. Error 06h is returned if the requested number of handles exceeds system limits or would require closing currently-open files
Category: DOS Kernel - Int 21h - E
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