c check if char is an operator
#include <stdio.h>
int isOperator(char c) {
if (c == '+' || c == '-' || c == '*' || c == '/' || c == '%') {
return 1;
}
return 0;
}
int main() {
char input;
printf("Enter a character: ");
scanf(" %c", &input);
if (isOperator(input)) {
printf("%c is an operator.\n", input);
} else {
printf("%c is not an operator.\n", input);
}
return 0;
}