C Language and Libraries Help (clang.hlp) (Table of Contents; Topic list)
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_disable, _enable
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─────Run-Time Library───────────────────────────────────────────────────────
 
     The _disable routine disables interrupts by executing an 8086 CLI
     machine instruction. Use _disable before modifying an interrupt
     vector.
 
     The _enable routine enables interrupts by executing an 8086 STI
     machine instruction.
 
     Return Value
 
     None.
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