Linux下gets函数的替代方案有哪些

? Linux ?,gets() ????????????,????????????

1. fgets():?????????????(? stdin)??????????? gets() ???,?????????????,??????????

char buffer[256];
fgets(buffer, sizeof(buffer), stdin);

2. getline():??????? fgets(),????????????????????????????? char * ???????? size_t ??????????,???? free() ?????

#include
#include 

char *line = NULL;
size_t len = 0;
ssize_t read;

read = getline(&line, &len, stdin);
if (read != -1) {
    printf("Read line: %s", line);
}

free(line);

3. scanf():???????????????????????????? %s ???????????,????????????????,??????????

char buffer[256];
scanf("%5s", buffer);

???,scanf() ??????????????????,?????????????????

??,??????????????????????????,fgets() ? getline() ???????,????????????????????