if we interger in char in c code example
Example 1: c check if char is an operator
char o = '+'; //Or some other character
if (o == '%' || o == '/' || o == '*' || o == '+' || o == '-') {
//Do something
//...
}
Example 2: c check if char is number
char c = 'a'; // or whatever
if (isalpha(c)) {
puts("it's a letter");
} else if (isdigit(c)) {
puts("it's a digit");
} else {
puts("something else?");
}