问C:如何获取操作系统名称( Ubuntu、Debian、Centos、..)如果定义操作系统名称= ubuntu

EN

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int match_OS(const char* name) {
    FILE *p;
    int result;
    char *s = malloc(1024);
    p = popen("uname -v", "r");
    s = fgets(s, 1024, p);
    result = (strstr(s, name) != NULL);
    pclose(p);
    free(s);
    return result;
}

int main() {
    if (match_OS("Ubuntu")) {
        puts("This is Ubuntu");
    }
    else {
        puts("This isn't Ubuntu");
    }
    return 0;
}