getLine(char *line, const char *cmd) { FILE *pf = popen(cmd, "r"); if (pf == NULL) { return -1; } fgets(line, 25, pf); if (strlen(line) > 0) { if (line[strlen(line) - 1] == ‘\n‘) line[strlen(line) - 1] = ‘\0‘; } pclose(pf); return 0; }
原文：https://www.cnblogs.com/Malphite/p/10405509.html