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#import <Foundation/Foundation.h>
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int main()
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{
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@autoreleasepool {
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NSTimeInterval sleeptime;
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printf("wait time in seconds: ");
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scanf("%f", &sleeptime);
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NSLog(@"sleeping...");
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[NSThread sleepForTimeInterval: sleeptime];
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NSLog(@"awakening...");
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}
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return 0;
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}
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