Integer:
scanf("%d", &intVariable);
printf("%d", intVariable);
Float:
scanf("%f", &floatVariable);
printf("%f", floatVariable);
Character:
scanf("%c", &charVariable);
printf("%c", charVariable);
Word:
scanf("%s", &strVariable)
printf("%s" , strVariable)
Sentence:
scanf(" %[^
]s", &strVariable); // in same line
scanf("%[^
]s", &strVariable); // with new line
printf("%s", strVariable)