Y fox H function in matematica

this cod ewill also be used for punjabui cgharacters

TERI MERI LAHANI H BARIFH J DK PANI

A while loop is used and will terminate when user will press esc key. To get the characters a function getche() is used conio.h which will store in char variable and store into the file using putc() function. On pressing esc to avoid any other cha