1// Header for PCH test blocks.c 2 3int call_block(int (^bl)(int x, int y), int a, int b) { 4 return bl(a, b); 5} 6 7int add(int a, int b) { 8 return call_block(^(int x, int y) { return x + y; }, a, b); 9} 10 11int scaled_add(int a, int b, int s) { 12 __block int scale = s; 13 return call_block(^(int x, int y) { return x*scale + y; }, a, b); 14} 15