Helper function to convert character to digit value
| 70 | |
| 71 | // Helper function to convert character to digit value |
| 72 | static int charToDigit(char c) { |
| 73 | if (c >= '0' && c <= '9') { |
| 74 | return c - '0'; |
| 75 | } |
| 76 | if (c >= 'a' && c <= 'z') { |
| 77 | return c - 'a' + 10; |
| 78 | } |
| 79 | if (c >= 'A' && c <= 'Z') { |
| 80 | return c - 'A' + 10; |
| 81 | } |
| 82 | return 0; |
| 83 | } |
| 84 | |
| 85 | long strtol(const char* str, char** endptr, int base) { |
| 86 | if (!str) { |