CdayName, C (gcc) - rextester

CdayName

//gcc 7.4.0

//write a function dayName  that receives a number and returns a pointer to a character string containing the name of the corresponding day;
//this code is created by Rezaul Hoque on May 31, 2021
//please contact at jewelmrh@yahoo.com
//note: codes shared by Rezaul Hoque on rextester are not for sale; they are created and shared to facilitate the algorithm learning process; many like Hoque use this platform to practice programming ;Rezaul hopes his contribution helps others to fine tune their  learning;

#include <stdio.h>

void dayName(int m){
//a special data type Day is created and it contains names of the day as value; compiler automatically assigns 0,1... to these values unless otherwise stated; here Sunday is assigned the value 1 for the convenience of 1-based indexing
enum Day { Sunday=1, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday };
//a multidimensional array with 7(Saturday is assigned 7 ) rows and 80-character long column is created so that each row contains the name of each day; note the index starts with 1
char a[Saturday][80]={"Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"};
//with the user provided number, corresponding string representation  is printed; note deferenced pointer is used as the name of array is a constant pointer to the first element of the array; 1 is deducted as in 1-based indexing first element is a[1] , not a[0]
printf("\nYou take a long walk on %s", *(a+m-1));

}
int main()
{
int m;
printf("What day you would like to go for a long walk?\n");
printf("Enter number between 1 and 7:\n");
scanf("%d\n",&m);
dayName(m);
return 0;
}


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