1 int testReturn() { 2 return 10, 20, 30; 3 } 4 5 int testArg(int a) { 6 return a; 7 } 8 9 void testComma() { 10 int a; 11 0, a = 10,20; 12 printf("statement: %d\n", a); 13 a = 1; 14 if (a = 0, 1) { 15 printf("if: a = %d\n", a); 16 } 17 int b = 0; 18 a = 10; 19 while(b++,a--) {} 20 printf("while: b = %d\n", b); 21 b = 0; 22 for(b++,a = 0;b++, a < 10; b++, a++) {} 23 printf("for: b = %d\n", b); 24 b = testReturn(); 25 printf("return: %d\n", b); 26 b = testArg((a,12)); 27 printf("arg: %d\n", b); 28 } 29 30 31 32 int main() { 33 testComma(); 34 return 0; 35 } 36
