CPrimerPlusSixthEditionProgrammingExerciseSelectedAnswersChapter2ProgrammingExercisesPE2-1‐/*ProgrammingExercise2-1*/#include<stdio.h>intmain(void){printf(GustavMahler\n);printf(Gustav\nMahler\n);printf(Gustav);printf(Mahler\n);return0;}PE2-3‐/*ProgrammingExercise2-3*/#include<stdio.h>intmain(void){intageyears;/*ageinyears*/intagedays;/*ageindays*//*largeagesmayrequirethelongtype*/ageyears=10...