| 4.printf scanf |
| 4.1.printf Basics( 9 ) | 4.17.printf star( 1 ) |
| 4.2.printf char( 1 ) | 4.18.printf Type prefixes( 3 ) |
| 4.3.printf sign character( 4 ) | 4.19.printf format( 2 ) |
| 4.4.printf int( 1 ) | 4.20.scanf Basics( 7 ) |
| 4.5.printf hexadecimal( 2 ) | 4.21.scanf char( 1 ) |
| 4.6.printf octal( 1 ) | 4.22.scanf int( 1 ) |
| 4.7.printf float( 3 ) | 4.23.scanf float( 3 ) |
| 4.8.printf exponential form( 2 ) | 4.24.scanf hexadecimal( 1 ) |
| 4.9.printf Precision( 3 ) | 4.25.scanf octal( 1 ) |
| 4.10.printf string( 1 ) | 4.26.scanf String Read( 1 ) |
| 4.11.printf Escape Sequence( 11 ) | 4.27.scanf field width( 1 ) |
| 4.12.printf unsigned( 1 ) | 4.28.scanf unsigned( 3 ) |
| 4.13.printf 0s( 2 ) | 4.29.scanf length( 1 ) |
| 4.14.printf conversion( 1 ) | 4.30.scanf scan set( 1 ) |
| 4.15.printf Field width( 1 ) | 4.31.scanf star( 2 ) |
| 4.16.printf Justify( 2 ) | 4.32.scanf format( 2 ) |