Topic - to develop a program to find nearest city

About Project: -> The program offers 2 choices to specify user's location

	a) Entering city name (e.g. jaipur) - type '1'
	
		On entering, if the name matches to any city in the database, then it is accepted.
	b) Entering user's co-ordinates (e.g. latitude - 57.43) - type'2'
	
		on entering, if the co-ordinates are in the indian region then it is accepted.
		
-> After entering the location, usr is asked for the no. of closest cities he/she wants to see from the current location.
-> The top n closest cities are shown and the user can choose between them for more information.

Features; -> Multiple ways to enter location

-> Spell checker for city name upto 1 character

-> Error handling at every input

-> Multiple units in which output is shown

-> Database of 1000 cities

-> Information like state and local language of cities

Instructions;

->make sure that the program file(main.c) and the database(p21.txt) are in the same directory.

->Open the terminal by pressing crtl+alt+t

->compile the program by typing 'gcc -o main main.c -lm'

-> run the program by typing './main'

-> enter 1 or 2 as desired to specify your location

-> if 1 is entered, enter your city name.

	-> if you entered wrong spelling of the city upto 1 character, choose the correct one from the options provided.
	
	-> then enter the no. of closest cities you want to know.
	
	-> choose any of the cities shown to see additional info.
	
-> if 2 is  entered, enter the latitude and longitude of your location upto 2 decimal places.

	-> then enter the no. of closest cities you want to know.
	
	-> choose any of the cities shown to see additional info.

thank you