14-C macro

 #include <stdio.h>    PI 3.14  MianJi(r1) PI*r1*r1  He(x,y) x+y  Ji(x,y) ((x)*(y))  SIZE 10         He(x,y) x+y  Ji(x,y) ((x)*(y))  Swap(x) x-('a'-'A')  Max(x,y) x>y?x:y   main( argc,   *            pi =       r =      printf(     printf(,MianJi(r));      i =       j =      printf(     printf(     printf(, / Ji(+, +));        i = ,j =      printf(     printf(     printf(,Swap(     printf(       }

 #include <stdio.h>  PI 3.14  CHAR "hello"  A -a   MIANJI(r) PI*r*r  F1(x,y) printf("max:%d\n",x>y?x:y);   STR(x) #x   QUANJU(x) g_##x    QUANJU(i) = ;  main( argc,   *       i =           printf(     printf(     printf(           printf(     printf(     printf(,CHAR);           a =      printf(,-A);  N 5  N  N 8  M N+3     printf(,M);          F1(,        }

 

 

Printf ("Is it a C language standard: % s \ n" ,__ STDC __? "Yes": "no ");

 #include <stdio.h>  ZHAOBENSHAN 1        i =      printf(     scanf(,& #ifndef ZHAOBENSHAN       (i ==          printf(     }         printf(        (i ==          printf(     }         printf(         }

 

 #include <stdio.h>  DEVICE 2    DEVICE == 0     printf(  DEVICE == 1     printf(  DEVICE == 2     printf(  DEVICE == 3     printf(  DEVICE == 4     printf(      printf(        }