... inwhich they are overcome in Program 6. 3.1 34 C programming for scientists and engineers @rintf(stdout, A variable, x, has been declaredn'); fprinff(stdin, Enter a character ... 8datainput and output of 63 functions for 63 read 62 ,93using functions to 62 structures 7, 24, 25, 28, 65 passing a 65 pointers 28type 6, 7, 10, 12, 13, 15character 7integer 10, 12pointer ... 21before main 124block 75compound statement, or, 75called function 49, 52interface 52calling function 49, 52, 53interface 52character data type 7string 7, 22, 23code...