PC Extra Super CD 1998 January/PCPLUS131.iso/DJGPP/V2/DJLSR201.ZIP/src/libc/pc_hw/hwint/enable.txh

Text File | 1995-07-10 | 498 b | 32 lines

@node enable, cpu
@subheading Syntax

@example
#include <dos.h>

int enable(void);
@end example

@subheading Description

This function enables interrupts.

@xref{disable}.

@subheading Return Value

Returns nonzero if the interrupts were already enabled, zero if they
had been disabled before this call.

@subheading Example

@example
int ints_were_enabled;

ints_were_enabled = enable();
. . . do some stuff . . .
if (!ints_were_enabled)
  disable();
@end example