h0302.c

141个C语言经典小程序

#include <ctypes.h>
#include <stdio.h>

void main()
{
   chat Test[]="a1 B2 c3 D4";
   char *pos;

   pos=Test;
   while(*pos!=0)
   {
      if(islower(*pos))
         printf("%c",*pos);
      else
         printf(" ");
      pos++;
   }
}