declare a string variable in c code example

Example 1: how to create a string in c

char greeting[6] = {'H', 'e', 'l', 'l', 'o', '\0'};
char greeting[] = "Hello";

Example 2: declare variable in c

int    i, j, k;
char   c, ch;
float  f, salary;
double d;

Example 3: declare string in c

char string[20];