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String str(\_onexit( fn1 ); _onexit( fn2 ); _onexit(fn3 ); _onexit( fn4 );

printf( \} int fn1() {

printf( \return 0; } int fn2() {

printf( \return 0;

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printf( \return 0; } int fn4() {

printf( \return 0; }

The _onexit function is passed the address of afunction (func) to be called when the program terminates normally. Successivecalls to _onexit create a register of functions that are executed in LIFO(last-in-first-out) order. The functions passed to _onexit cannot takeparameters. 28. [±à³Ì] ÈçºÎÅжÏÒ»¶Î³ÌÐòÊÇÓÉC ±àÒë³ÌÐò»¹ÊÇÓÉC++±àÒë³ÌÐò±àÒëµÄ£¿ ²Î¿¼´ð°¸£º#ifdef __cplusplus cout<<\#else cout<<\#endif

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int count = data.size() ;

int tag = false ; //ÉèÖÃÊÇ·ñÐèÒª¼ÌÐøÃ°Åݵıê־λ for ( inti = 0 ; i< count ; i++) {

for ( int j =0 ; j < count - i - 1 ; j++) {

if ( data[j] > data[j+1]) {

tag = true ; int temp = data[j] ; data[j] = data[j+1] ; data[j+1] = temp ; } } if ( !tag ) break ; } }

void main( void )

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