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#include <string.h> #include <mntent.h> char *hasmntopt(const struct mntent *mnt, const char *opt) { char *s=mnt->mnt_opts; char *c; int len=strlen(opt); if (!s) return 0; for (c=s;;) { if (!(c=strstr(c,opt))) break; if (c==s || c[-1]==',') { if (c[len]==0 || c[len]==',' || c[len]=='=') return c; } c+=len+1; } return 0; }