linux sscanf 怎样提取特定字段

? Linux ?,sscanf ??????????????????

??????? sscanf ?????????:

#include
#include

int main() {
    char input[] = "Name: John, Age: 30, City: New York";
    char name[20], city[20];
    int age;

    // ?? Name ? City ??
    int result = sscanf(input, "Name: [^,], Age: %d, City: s", name, &age, city);

    if (result == 3) {
        printf("Name: %s\n", name);
        printf("Age: %d\n", age);
        printf("City: %s\n", city);
    } else {
        printf("Error: Unable to extract fields.\n");
    }

    return 0;
}

??????,???? sscanf ??????????? Name?Age ? City ?????,???? [^,] ???????? Name ??,????????????,???? s ???????? City ??,?????????

????????????:

Name: John
Age: 30
City: New York

???,sscanf ?????????????????????????????,???????????????????,?????????????