// test.txt
50
13
124
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void hi ( int *b, FILE *pfile ) {
rewind ( pfile );
int i;
for( i = 0 ; i < 3 ; i++ ) {
fscanf ( pfile, "%d", &b[i] );
}
}
int main ( void ) {
FILE *fp = fopen ( "test.txt", "r" );
int a[10]; //putting extra size for test.
hi ( &a[0], fp );
printf("%d,%d,%d\n", a[0], a[1], a[2]);
fclose ( fp );
return 0;
}
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当涉及到数组时,我正在尝试理解指针.虽然我在测试上面的代码,我注意到,通过将不同的索引值,如hi …