... 21before main 124block 75compound statement, or, 75called function 49, 52interface 52calling function 49, 52, 53interface 52character data type 7string 7, 22, 23code 9, ... 22, 23code 9, 11control 9 formatting 9, 11compound statements 75construct 74if-else 74switch, the 78'contents of' operator 17, 42control code 9 statements 31string ... and 92 et seqreading 92 write 92 , 94 for loop, the 81formatting 100code 9, 11files and 92 et seqoutput 100functions 49 any, essential statements in 51called 49, 52interface...