--- ____?一It’s half past seven.A.What time is it nowB.Can I help youC.Where are yougoing
--- ____?
一It’s half past seven.
A.What time is it now
B.Can I help you
C.Where are yougoing
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*((int *)pval)／=2; ／／我想问一下,这个语法怎么理解,太复杂了 具体代码如下。 #include "stdio.h"void half(void *pval,char type);main(){ int i=20; long l=100000; float ff=12.456; double d=123.044444; printf("%d\n",i); printf("%ld\n",l); printf("%f\n",ff); printf("%lf\n",d); half( half( half( half( printf("\n%d",i); printf("\n%ld",l); printf("\n%f",ff); printf("\n%lf",d); return 0; }void half(void *pval,char type){ switch(type) { case 'i': { *((int *)pval)/=2; //我想问一下，这个语法怎么理解，太复杂了 break; } case 'l': { *((long *)pval)/=2; break; } case 'ff': { *((float *)pval)/=2; break; } case 'd': { *((double *)pval)/=2; break; } } }
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