#include #define SIZE_LINE 1000+1 using namespace std; int countLine(FILE * file); int main(void) { FILE * file = fopen("file.txt", "rt"); if (file != NULL) { int countRow = 0; countRow = countLine(file); cout << "Number of character: " << countRow << endl; fclose(file); } else { perror("Error (source)"); } return 0; } int countLine(FILE * file) { int countRow = 0; char line[SIZE_LINE]; while (fgets(line, sizeof(line), file) != NULL) { countRow++; } return countRow; }