Formatted Output

—printf() is used for printing results

—

—printf(“control string”, arg1,arg2…..);

—

—Control String specifies

—characters that will be printed on screen

—Format Specifications

—Escape sequence characters

Examples

—printf(“Programming in C”);

—printf(“\n”);

—printf(“%d”,x);

—printf(“x=%d\n”,x);

—printf(“The value of a is %d”,a);

—

—printf does not supply new line automatically. Thus ‘\n’ is used

Integer Examples

Real Examples

—Syntax: %w.pf

—w indicates the number of digits used for display

—p indicates the number of digits to be displayed after decimal

—Let y=98.7654;

String Examples

—Syntax: %w.ps

—w specifies width of field

—p specifies only first p characters of string are displayed

—

—Ex:

—char a[20]=“Hello World”;

—printf(“%s”,a);