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  1. #include <stdio.h>
  2. #include <string.h>
  3. #include <ctype.h>
  4.  
  5. int isOperator(char c) {
  6.     return (c == '+' || c == '-' || c == '*' || c == '/' ||
  7.             c == '>' || c == '<' || c == '=' || c == '!');
  8. }
  9.  
  10. int main() {
  11.     char input[200];
  12.     int i = 0;
  13.  
  14.     printf("Enter a simple C code snippet: ");
  15.     fgets(input, sizeof(input), stdin);
  16.  
  17.     printf("Tokens Found:\n");
  18.  
  19.     while (input[i] != '\0') {
  20.  
  21.         if (input[i] == ' ' || input[i] == '\n') {
  22.             i++;
  23.             continue;
  24.         }
  25.  
  26.         if (isOperator(input[i])) {
  27.  
  28.             if ((input[i] == '>' && input[i+1] == '=') ||
  29.                 (input[i] == '<' && input[i+1] == '=') ||
  30.                 (input[i] == '=' && input[i+1] == '=') ||
  31.                 (input[i] == '!' && input[i+1] == '=') ||
  32.                 (input[i] == '+' && input[i+1] == '=') ||
  33.                 (input[i] == '-' && input[i+1] == '=')) {
  34.  
  35.                 printf("OPERATOR: %c%c\n", input[i], input[i+1]);
  36.                 i += 2;
  37.             }
  38.             else {
  39.                 printf("OPERATOR: %c\n", input[i]);
  40.                 i++;
  41.             }
  42.         }
  43.         else {
  44.             i++;
  45.         }
  46.     }
  47.  
  48.     return 0;
  49. }
Success #stdin #stdout 0s 5324KB
comments (?)
stdin 
int a +=b
stdout 
Enter a simple C code snippet: Tokens Found:
OPERATOR: +=
https://ideone.com/V4yxRV
language:
C (gcc 8.3)
created:
16 hours ago
visibility:
public

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