#include
char *mon_name(int m)
{ char *month[]= {"Error month","January","February","March",
"April","May","June","July","August","September",
"October","November","December"
};
if(m>=1&&m<=12)
return ( month[m] );
else
return(month[0]);
}
void main( )
{ int x;
char *p1;
scanf("%d",&x);
p1=mon_name(x);
printf("\n%s\n",p1);
}
(1)是month[m]
(2)是mon_name(x)